{"title":"HiFi Rose","description":"","products":[{"product_id":"hifi-rose-rsa780-cd-drive","title":"HiFi Rose RSA780 CD Drive","description":"\u003ch1\u003eHiFi Rose RSA780 CD Drive\u003c\/h1\u003e\n\u003ch3\u003eA highly optimized and isolated CD player and ripper designed to work alongside other HiFi Rose products.\u003c\/h3\u003e\n\u003cp\u003eHiFi Rose offers a heavily insulated and resonance-controlled CD player and ripper that is electrically isolated from any streamer it is connected to. \u003c\/p\u003e\n\u003cp\u003eIt uses a USB-B port which offers a robust connection and allows the use of high-quality digital cables. The USB port uses isolation technology to keep the CD drive completely isolated from any streaming circuits and your delicate signal chain. \u003c\/p\u003e\n\u003cp\u003eHigh-performance resonance control is employed to minimize vibration from the spinning disc, allowing for error-correction-free, re-read-free data retrieval. Lower processing means lower noise!\u003c\/p\u003e\n\u003cp\u003eThe RSA780 also functions as a CD ripper, creating high-quality rips and music library entries with a single touch. Album art and all meta-data is added, and you can choose whether to save in FLAC or WAV formats.\u003c\/p\u003e\n\u003cp\u003eThe RSA780 can be connected to the HiFi Rose RS150, RS250, and RS201E.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eConnectors:\u003c\/strong\u003e USB-B\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 6\" x 6\" x 1\" (152 x 152 x 25 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Weight:\u003c\/strong\u003e 1.98 lb\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Default Title","offer_id":41221557223608,"sku":"HFR RSA780","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/RSA780_Marble_shopify_1dfe115a-dd8b-45d2-a08e-8aadd418a654.jpg?v=1741630674"},{"product_id":"hifi-rose-ra180-integrated-amplifier","title":"HiFi Rose RA180 Integrated Amplifier","description":"\u003ch1\u003eHiFi Rose RA180 Integrated Amplifier\u003c\/h1\u003e\n\u003ch3\u003eA 200 W Class AD amp with bi-amp speaker outputs, phonostage, and balanced power supply\u003c\/h3\u003e\n\u003cp\u003eThe RA180 amp from HiFi Rose uses a new GaN FET to create a class AD design. This greatly improves the linearity of class D designs, giving the amp all of the efficiency and bass grip of a class D, with the upper frequency performance and dynamic ability of AB.\u003c\/p\u003e\n\u003ch4\u003eMulti-Output Component \u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe RA180 consists of two modules: one amp module specialized for stable mid-bass and balance, and another specialized for smooth frequencies. Each module delivers 200 W (8 Ohm) and can output up to 400 W per channel. When two independent modules are connected to a speaker's high and low frequencies separately, the power and grip increase drastically. \u003c\/p\u003e\n\u003cp\u003eThere is an active crossover with all frequency controls on the front of the unit.\u003c\/p\u003e\n\u003cp\u003eIn addition, the RA180 is designed with a wide frequency response range so that even high-resolution sound sources with an output range of 20 Hz to 50 kHz (100 kHz @ -3 dB, 200 kHz @ -6 dB) are supported. Although this playability may be outside a person's hearing range, it means great linearity within the audible band and a great sense of space.\u003c\/p\u003e\n\u003ch4\u003eBalanced Power Supply \u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe power supply that has been exclusively developed for the RA180 uses 4th generation SiC FET technology to provide high output with less heat. In addition, by using a self-developed PFC (power factor circuit), it is designed not to be affected by sudden load fluctuations. The power supply device was developed to support a powerful damping factor of at least 200, and the high output of 1000 W is designed to produce powerful bass and soft treble. \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003ch4\u003ePhonostage with Variable EQ \u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe built-in phonostage offers low-mid bass turnover, and high-frequency roll off adjustment. It supports both moving magnet and moving coil cartridges.\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output (4 Ohm, 8 Ohm, BTL Mode):\u003c\/strong\u003e 200 W x 4, 200 W x 4, 400 W x 2\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Sensitivity (XLR, RCA, Phono MM, MC):\u003c\/strong\u003e 2,000 mV, 1,000 mV, 5 mV, 0.5 mV\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WDH):\u003c\/strong\u003e 17\" x 15.3\" x 5\" (430 x 391 x 130 mm)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 36.8 lb (16.7 kg)\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Default Title","offer_id":41504552681656,"sku":"HFR-RA180","price":6995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/RA180_FRONT_TOP_2048x2048_98c42942-b776-4029-a8a1-dd1543d4a65b.jpg?v=1741630644"},{"product_id":"hifi-rose-rs201e-integrated-amp-network-streamer-open","title":"HiFi Rose RS201E Integrated Amp \u0026 Network Streamer (OPEN)","description":"\u003ch1\u003eHiFi Rose RS201E Integrated Amp \u0026amp; Network Streamer\u003c\/h1\u003e\n\u003ch3\u003eJust add speakers! A wireless-ready network streaming DAC with a 100 W amplifier and an 8.8\" Ultra HD 4K touchscreen. Roon Ready and MQA certified\u003c\/h3\u003e\n\u003cp\u003eMake the versatile RS201E the center of your home entertainment, offering audiophile sound with intuitive control and HiFi Rose's famous high-resolution screen. The HDMI video out or optical in and out makes it easy to integrate a TV and soundbar, and the 100 W amp drives speakers with ease. \u003c\/p\u003e\n\u003cp\u003eHiFi Rose is rightly praised for its beautiful Ultra HD 4K touchscreen with a wide viewing angle and rich colors. It offers an intuitive and convenient interface, and also displays high-definition album information and plays back video at 60 FPS. Control is augmented with a front volume knob. \u003c\/p\u003e\n\u003cp\u003eThe RS201E comes with a physical Bluetooth remote control, and can also be controlled via the ROSE Connect app for iOs or Android.\u003c\/p\u003e\n\u003cp\u003eThe DAC offers sampling rates of up to PCM 32 bit\/384 khz, and native DSD256 (32 bit\/11.2 MHz).\u003c\/p\u003e\n\u003cp\u003eAdd a CD drive and ripper with the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/upscaleaudio.pro\/products\/hifi-rose-rsa780-cd-drive\" title=\"HiFi Rose RSA780 CD Drive\"\u003eHiFi Rose RSA780\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e 8.8\" wide-angle, multitouch panel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eOutput Power:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100 W\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpeaker Impedance:\u003c\/strong\u003e 4-16 Ω\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork: \u003c\/strong\u003eEthernet 10\/100\/1000 BASE-T, WiFi (802.11 b\/g\/n\/a\/ac) 2.4Ghz\/5Ghz Dual Band\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWireless:\u003c\/strong\u003e\u003cspan\u003e Bluetooth 4.0 \u003c\/span\u003eA2DP Sink, AVRCP v1.3, Apple AirPlay\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAudio Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 x stereo RCA line, 1 x optical\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAudio Outputs:\u003c\/strong\u003e 1 x stereo RCA pre, 1 x optical,\u003cspan data-mce-fragment=\"1\"\u003e 1 x 3.5 mm headphone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVideo Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 x HDMI 2.0 (up to 3840 x 2160 \/ 60 Hz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMedia Connection:\u003c\/strong\u003e 1 x USB 2.0, 1 x USB3.0 (NTFS\/FAT32, 512 GB, External HDD  4TB), 1 x MicroSD (NTFS\/FAT32, 512GB), 1 x  SATA3.0, 1 x  SSD (NTFS), 1 x USB C (Only for service)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11\" x 8\" x 3\" (278 x 202 x 76 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 5\u003c\/span\u003e lb\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003c\/h4\u003e","brand":"HiFi Rose","offers":[{"title":"Default Title","offer_id":41755126431928,"sku":"HFR-RS201E OPEN","price":1865.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/RS201E-TOPSLOPE_957f560c-a483-43f6-8cf3-2dcc08e7f6ed.jpg?v=1741630612"},{"product_id":"hifi-rose-rs150b-reference-network-streamer-open","title":"HiFi Rose RS150B Reference Network Streamer (OPEN)","description":"\u003ch1\u003eHiFi Rose RS150B Reference Network Streamer\u003c\/h1\u003e\n\u003ch3\u003eA Roon Ready, MQA-certified streaming DAC based on a Sabre chip with a linear power supply, and a 14.9\" Ultra HD 4K touchscreen\u003c\/h3\u003e\n\u003cp\u003eThe flagship RS150B is milled from a solid block of high-purity aluminum, uses a femto clock, and offers a large intuitive display. It offers I2S output, ARC input, and offers Wi-Fi and Bluetooth only via an external dongle. One analog line-in is offered, allowing for it to function as a preamp.\u003c\/p\u003e\n\u003cp\u003eElevate both your listening room aesthetics and the sound of your system with this network streaming DAC with high-end audio performance and linear power supply, and many ways to directly and remotely control the unit.  \u003c\/p\u003e\n\u003ch4\u003eThe Controls\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eHiFi Rose is rightly praised for its beautiful Ultra HD 4K touchscreen with a wide viewing angle and rich colors. It offers an intuitive and convenient interface, and also displays high-definition album information and plays back video at 60 FPS. Control is augmented with a front volume knob. \u003c\/p\u003e\n\u003cp\u003eThe RS150B comes with a physical Bluetooth remote control, and can also be controlled via the ROSE Connect app for iOs or Android.\u003c\/p\u003e\n\u003ch4\u003eThe DAC\u003c\/h4\u003e\n\u003cp\u003eThe RS150B uses the ES9038PRO Sabre chip with proprietary processing that offers a low-noise, low-distortion, ultra-high-resolution sound with rich analog density. Sampling rates go up to PCM 32 bit\/768 KHz and native DSD512 (22.5792 Mhz).\u003c\/p\u003e\n\u003ch4\u003eMany Ways to Play\u003c\/h4\u003e\n\u003cp\u003eApart from all the expected online services, you can connect an optical drive via USB and play or rip CDs. There's Qobuz, Tidal, Spotify, internet radio, and much more, and the RS150B is Roon Ready. It is also fully MQA certified.\u003c\/p\u003e\n\u003cp\u003eThe RS150B allows onboard storage, and can recognize up to a 4 TB internal SSD and 10 TB external HDD. A MicroSD slot is also available. The RS150 will find and play music on your NAS and other music servers.\u003c\/p\u003e\n\u003cp\u003eAdd a CD drive and ripper with the \u003ca title=\"HiFi Rose RSA780 CD Drive\" href=\"https:\/\/upscaleaudio.pro\/products\/hifi-rose-rsa780-cd-drive\"\u003eHiFi Rose RSA780\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eWatch high-res videos on the front screen from TIDAL Video, Bugs Video, and RoseTube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The RS150 with the AKM DAC chip is not available in the US.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e 14.9\" HD IPS touchscreen LCD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDAC Chip:\u003c\/strong\u003e\u003cspan\u003e ES9038PRO\u003c\/span\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e\u003cspan\u003e 5\u003c\/span\u003e0 Ω\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork: \u003c\/strong\u003eEthernet 10\/100\/1000 BASE-T, Wi-Fi external USB dongle supported\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth:\u003c\/strong\u003e\u003cspan\u003e External USB BT WiFi dongle supported (A2DP Sink, AVRCP v1.3)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInputs\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eAnalog:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e1 x stereo RCA line\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eDigital:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e1 x optical, 1 x coax S\/PDIF, 1 x AES\/EBU, 1 x USB Audio, 1 x HDMI ARC\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eAnalog:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e1 x stereo RCA pre, 1 x XLR balanced pre, 1 x headphone\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eDigital:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e1 x optical, \u003cspan data-mce-fragment=\"1\"\u003e1 x coax S\/PDIF, 1 x USB Audio, 1 x \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eI2S-DVI, 1 x I2S-RJ45, 1 x AES\/EBU digital XLR\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVideo Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 x HDMI 2.0 (up to 3840 x 2160 \/ 60 Hz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMedia Connection\u003cbr\u003eFile Systems:\u003c\/strong\u003e SMBv1, SMBv2, FTP, WebDav, NTFS, eXfat, FAT32\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eStorage Interface:\u003c\/strong\u003e 2 x USB3.0, 1 x MicroSD, 1 x SSD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WDH):\u003c\/strong\u003e 17\" x 12.4\" x 4.8\" (430 x 316 x 123 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 28.6\u003c\/span\u003e lb\u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Black","offer_id":41755148943544,"sku":"HFR-RS150B BLK OPEN","price":3699.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":41755148976312,"sku":"HFR-RS150B SIL OPEN","price":3699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/rs1500-black_030f3650-7ed8-451d-b053-db2ec09feffc.jpg?v=1741630610"},{"product_id":"hifi-rose-rs520-all-in-one-network-streamer","title":"HiFi Rose RS520 All-in-One Network Streamer","description":"\u003ch1\u003eHiFi Rose RS520 All-in-One Network Streamer\u003c\/h1\u003e\n\u003ch3\u003eJust add speakers. A streamer with an LCD touchscreen, a Sabre DAC, and a 250 Wpc Class AD amp come together in this feature-loaded, wireless-ready product.\u003c\/h3\u003e\n\u003cp\u003eThis all-in-one product features a streamer, DAC, and amplifier. The DAC uses the flagship chip from Sabre, the ES9038PRO, and that is paired with a Class AD amplifier, delivering detail and power extremely efficiently. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIn addition to great sound, HiFi Rose is known for its impeccable build quality, and the RS250 is no exception with its housing of 6000 aluminum that's carefully designed to shield from EMI and RFI, and to dissipate vibration. \u003c\/p\u003e\n\u003cp\u003eThe 12.6\" wide LCD touchscreen offers detailed and intuitive control over every aspect of the system, and also offers a range of displays. The interactive equalizer is especially cool! Use the ROSE Connect app to control everything remotely. Bluetooth, Wi-Fi, and Ethernet connections are available with support for Airplay and DLNA. \u003c\/p\u003e\n\u003cp\u003eThe DAC supports up to 768 kHz, 32 bit PCM, and DSD 512. The Class D amplifier circuits use a gallium nitride FET to dramatically reduce the \"dead time\" that switching circuits are known for. \u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay:\u003c\/strong\u003e 12.6\" TFT LCD and capacitive touch screen (eDP) \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDAC Chip:\u003c\/strong\u003e SABRE ES9038PRO \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSample Rate:\u003c\/strong\u003e 768 kHz, 32 bit PCM, 22.4 MHz DSD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork:\u003c\/strong\u003e Ethernet, WiFi 802.11ac USB dongle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStreaming:\u003c\/strong\u003e Airplay, DLNA, Roon Ready, Spotify Connect, Bluetooth\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMusic Services:\u003c\/strong\u003e Tidal, Qobuz, Apple Music, Bugs, ROSE Tube, Internet radio, ROSE Podcast\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e 1 x optical, 1 x coax, 1 x stereo RCA line, 1 x USB audio, 1 x eARC\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e 1 x optical, 1 x coax, 1 x preamp, 1 x HDMI 2.0 video\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WDH):\u003c\/strong\u003e 13.6\" x 13\" x 5\" (346 x 328 x 127 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 17.8 (8.1 kg)\u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Black","offer_id":41959835893944,"sku":"HFR-RS520 BLK","price":3995.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":41959835959480,"sku":"HFR-RS520 SIL","price":3995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/220921_black_fronttop.jpg?v=1741630530"},{"product_id":"hifi-rose-rs250a-network-streamer","title":"HiFi Rose RS250A Network Streamer","description":"\u003ch1\u003eHiFi Rose RS250A Network Streamer\u003c\/h1\u003e\n\u003cdiv id=\"specifications_table\"\u003e\n\u003ch3\u003eA Roon Ready, MQA-certified streaming DAC based on a Sabre chip with a linear power supply, and an 8.8\" Ultra HD 4K touchscreen\u003c\/h3\u003e\n\u003cp\u003eIt won't spin your records. Sometimes it's nice to start with the one thing a product won't do, especially if it's like the RS250A, a network streamer that is capable of so much. Following up on the success of the HiFi Rose RS250, the all-new RS250A Network Streamer adds features to enhance and improve on an already exciting, user-friendly, graphically rich streaming experience. Connect the RS250A to your network via Ethernet or WiFi, and connect it directly to a power amp, or to a pre\/power combo, or to your favorite DAC.\u003c\/p\u003e\n\u003cp\u003eIn terms of performance improvements in the RS250A, look to the digital side of the product where a new DAC chip and clocking components create an even better sonic experience, compared to the original RS250. \u003c\/p\u003e\n\u003cp\u003eThe RS250A offers one analog stereo RCA input, so you can use it as a preamp as well. A headphone output on the front panel makes it easy for you to enjoy the product with headphones when necessary. The RS250A offers a high-quality anodized aluminum body with excellent thermal and isolation properties.\u003c\/p\u003e\n\u003ch4\u003eThe Controls\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eHiFi Rose is rightly praised for its beautiful Ultra HD 4K touchscreen that offers  a wide viewing angle and vivid colors. The intuitive and convenient interface, high-definition album information, and video at 60 FPS combine to provide you a rich visual experience. Control is augmented with a front volume knob. \u003c\/p\u003e\n\u003cp\u003eThe RS250A comes with a physical Bluetooth remote control, and can also be controlled via the ROSE Connect app for iOs or Android.\u003c\/p\u003e\n\u003ch4\u003eThe DAC\u003c\/h4\u003e\n\u003cp\u003eThe RS250 uses the ES9028 Pro Sabre chip with proprietary processing that offers a low-noise, low-distortion, ultra-high-resolution sound with rich analog density. Sampling rates go up to PCM 32bit\/768KHz and native DSD512 (22.5792Mhz).\u003c\/p\u003e\n\u003ch4\u003eMany Ways to Play\u003c\/h4\u003e\n\u003cp\u003eApart from all the expected online services, you can connect an optical drive via USB and play or rip CDs. For subscription streaming compatibility you can choose Qobuz, Tidal, Spotify, internet radio, and many more. The RS250 is also Roon Ready and fully MQA-certified.\u003c\/p\u003e\n\u003cp\u003eThe RS250A allows onboard storage, and can recognize up to a 4 TB internal SSD and 10 TB external HDD. It will also find and play music on your NAS and other music servers.\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eDimensions:\u003c\/td\u003e\n\u003ctd\u003e10.9” x 8” x 3”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eWeight:\u003c\/td\u003e\n\u003ctd\u003e7 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eFinish:\u003c\/td\u003e\n\u003ctd\u003eHigh-quality anodized aluminum front-top plates.\u003cbr\u003eAvailable in Black or Silver finishes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eDisplay:\u003c\/td\u003e\n\u003ctd\u003e8.8\" Wide view multi touch screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eAudio In:\u003c\/td\u003e\n\u003ctd\u003eAnalog: 1x Line Unbalanced RCA\u003cbr\u003eDigital: 1x Optical, 1 x Coax, 1x USB, Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eAudio Out:\u003c\/td\u003e\n\u003ctd\u003eAnalog: 1x Line Unbalanced RCA, 3.5mm Headphone Jack\u003cbr\u003eDigital: 1x Optical, 1x Coax, 1x USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eVideo Out:\u003c\/td\u003e\n\u003ctd\u003e1x HDMI 2.0 ( up to 3840 x 2160 \/ 60Hz )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eDAC Chip:\u003c\/td\u003e\n\u003ctd\u003eES9028 Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eNetwork:\u003c\/td\u003e\n\u003ctd\u003eEthernet 10\/100\/1000 BASE-T\u003cbr\u003eWiFi (802.11 b\/g\/n\/a\/ac) 2.4Ghz\/5Ghz Dual Band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eMedia Support:\u003c\/td\u003e\n\u003ctd\u003e2x USB3.0 (File system-NTFS\/FAT32, supported capacity- up to 10TB)\u003cbr\u003e1x SATA3.0 SSD (File System-NTFS, Supported capacity- up to 4TB)\u003cbr\u003eNetwork Support Protocol-SMB\/FTP\/WebDav\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eRemote:\u003c\/td\u003e\n\u003ctd\u003eBT Remote control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eRemote App:\u003c\/td\u003e\n\u003ctd\u003eROSE Connect (Android, iOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"td-left\"\u003eIn the Box:\u003c\/td\u003e\n\u003ctd\u003eAC adapter, Quick Start Guide, BT Remote control, Battery (AAA) x 2, Screw for SSD x4, Screwdriver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"HiFi Rose","offers":[{"title":"Black","offer_id":42014602985656,"sku":"HFR-RS250A BLK","price":2695.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":42014603018424,"sku":"HFR-RS250A SIL","price":2695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/products\/RS250A_FRONT_TOP_BLACK_Display_On_2.jpg?v=1741630405"},{"product_id":"hifi-rose-network-transport-rs130","title":"HiFi Rose RS130 Network Transport","description":"\u003ch1\u003eHiFi Rose RS130 Network Transport\u003c\/h1\u003e\n\u003ch3\u003eA streamer with fiber optic Ethernet and USB, an OXCO clock, and master clock input. With a 15.4\" LCD touchscreen. Roon Ready.\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003eHiFi Rose brings its knowledge of making low-noise, low-jitter circuits, and exceptional user interfaces to a streamer-only product. The 15.4\" LCD touchscreen, brings HiFi Rose's legendary interface quality and usability to your favorite DAC.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe RS130 uses a high-precision oven-controlled crystal oscillator (OCXO) clock for the ultimate low-jitter performance. Isolate your delicate audio circuits from network noise with fiber optic Ethernet and USB. \u003c\/p\u003e\n\u003cp\u003eThere is a built-in SSD to cache your music files, allowing noisy hard disks to spin down during playback, and also improving low-jitter performance. The SPDIF, AES and I2S outputs can also be controlled by your favorite external master clock, allowing you to take performance to true ultra-high-end levels.\u003c\/p\u003e\n\u003ch4\u003eThe Connections\u003c\/h4\u003e\n\u003cp\u003eThe RS130 supports Airplay and DLNA (NAS drives), as well as Wi-Fi, Giga-Ethernet, and Bluetooth. On the back of the unit you will find digital outputs: SPDIF RCA, AES XLR, optical, HDMI, USB, and I2S HDMI.  There are two BNC clock inputs for 50 Ohm and 75 Ohm master clocks. \u003c\/p\u003e\n\u003ch4\u003eThe Controls\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eHiFi Rose is rightly praised for its beautiful Ultra HD 4K touchscreen with a wide viewing angle and rich colors. It offers an intuitive and convenient interface, and also displays high-definition album information and plays back video at 60 FPS. \u003c\/p\u003e\n\u003cp\u003eUnit-top controls offer mute, play\/pause, a favorite button, and power control.\u003c\/p\u003e\n\u003cp\u003eThe RS150B comes with a physical Bluetooth remote control, and can also be controlled via the excellent ROSE Connect app for iOS or Android.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay: \u003c\/strong\u003e15.4\" TFT LCD and capacitive (eDP) touchscreen\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStreaming \u003cbr\u003eProtocols:\u003c\/strong\u003e Airplay, DLNA, Roon Ready, Spotify Connect, Bluetooth\u003cbr\u003e\u003cstrong\u003eServices:\u003c\/strong\u003e Tidal, Qobuz, Apple Music, Bugs, ROSE Tube, internet radio, ROSE Podcast\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eClock:\u003c\/strong\u003e 1 x 50 Ohm BNC, 1 x 75 Ohm BNC\u003cbr\u003e\u003cstrong\u003eData:\u003c\/strong\u003e 2 x USB 3.0, 1 x SATA, USB 3.0 fiber\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e 1 x optical, 1 x SPDIF coax, 1 x AES XLR, 1 x HDMI I2S, 1 x HDMI 2.0\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WDH):\u003c\/strong\u003e 17\" x 12.5\" x 5\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 26.5 lb.\u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Black","offer_id":42401978253496,"sku":"HFR-RS130 BLK","price":5895.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":42401978286264,"sku":"HFR-RS130 SIL","price":5895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/RS130_Black_front_low.jpg?v=1741630207"},{"product_id":"hifi-rose-rsa720-optical-usb-hub","title":"HiFi Rose RSA720 Optical USB Hub","description":"\u003ch1\u003eHiFi Rose RSA720 Optical USB Hub\u003c\/h1\u003e\n\u003cp\u003eWhen you need to connect USB devices such as hard disc drives, thumb drives, computers, CD transports to your HiFi Rose RS130 streamer, you can use the RSA720 to optically isolate all these devices from your audio system. \u003c\/p\u003e\n\u003cp\u003eIn addition, optical transmission can be carried out at a far greater distance than USB, allowing you to have your disc drives away from the audio system, just as if they were servers. \u003c\/p\u003e\n\u003cp\u003eIt can also work as a hub for your USB DAC, allowing you to share drives with it, but unless your DAC has an SFP optical input, this will be without the isolation of optical.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Optical USB Technology\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003eConsumer computer products are extremely electrically noisy and are best kept away from delicate audio signals. Optical isolation is a great way to eliminate conducted noise along copper cables. It will not, of course, eliminate noise that modifies the signal (i.e. distortion), but stray electrical and induced RF interference is a huge source of degradation of your musical playback. \u003c\/p\u003e\n\u003cp\u003eThe RSA720 has four independent USB ports to connect a variety of devices simultaneously and is carefully designed to offer stable, high-speed data transmission. \u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eIncluded Accessories\u003c\/h3\u003e\n\u003cp\u003eIncludes a USB Cable, Ethernet Cable, and Optical SFP Modules for a complete setup experience.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSP module x 2\u003c\/li\u003e\n\u003cli\u003eSFP LC cable 1m\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 type B cable 1m\u003c\/li\u003e\n\u003cli\u003eAdaptor\u003c\/li\u003e\n\u003cli\u003eAC power cord\u003c\/li\u003e\n\u003cli\u003eManual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e USB 3.0 Type B, USB 3.0, 10G SFP\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e USB 2.0 Type B, SFP\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e DC 12 V, 3 A\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WDH):\u003c\/strong\u003e 5.98\" x 6.04\" x 1.32\"\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.65 lb.\u003cbr\u003e\u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Default Title","offer_id":42893874823352,"sku":"HFR-RSA720","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/HROSRSA720A_StockPhoto_Front.jpg?v=1741629949"},{"product_id":"hifi-rose-ra280-integrated-amplifier","title":"HiFi Rose RA280 Integrated Amplifier","description":"\u003ch1\u003eHiFi Rose RA280 Integrated Amplifier\u003c\/h1\u003e\n\u003ch3\u003eA 250 Wpc class-AD amp with MM phonostage, subwoofer out, tone control, and beautiful industrial design. \u003c\/h3\u003e\n\u003cp\u003eInheriting key technologies from the 200W and far more elaborate RA180, the 250W RA280 uses innovative class-AD technology to achieve huge damping power and greatly shortens the \"dead time\" that affects class-D designs.\u003c\/p\u003e\n\u003cp\u003eWith an industrial look that nods to steampunk, the RA180 is built around a sturdy aluminum chassis in a classy matte finish, real VU meters, and chunky controls with great tactile feedback.\u003c\/p\u003e\n\u003ch4\u003ePutting the A into Class D\u003c\/h4\u003e\n\u003cp\u003eHiFi Rose pushes the performance of highly efficient class-D amplification with the use of gallium nitride FETs (field effect transistor) that replace more traditional silicon FETs and offer more linearity by pushing the switching speed close to zero. 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The hidden AMOLED screen displays circuit diagrams and sound waves, and has the responsive controls that HiFi Rose is famous for.\u003c\/p\u003e\n\u003cp\u003eThe balanced DAC modules and J-FET output stage offer outstanding dynamic range and clear stereo imaging. Independent linear power supplies minimize noise and crosstalk. 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With HDMI eARC input and HDMI 4K video output\u003c\/h3\u003e\n\u003cp\u003eThe RS151 builds upon the acclaimed RS150B with a completely re-engineered digital processing core for even greater clarity, detail, and musicality. Now featuring the ROSE DPC™ module and an upgraded Femto Clock, the RS151 significantly reduces jitter, improves signal accuracy, and supports PCM-to-DSD512 upsampling for an even more lifelike presentation. The precision-machined solid aluminum chassis minimizes vibrations while maximizing thermal efficiency, ensuring pristine audio performance in any setup.\u003c\/p\u003e\n\u003ch4\u003eThe Controls\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eHiFi Rose is rightly praised for its beautiful displays, and the RS151 takes this up a level. It uses a stunning 15.4-inch Full HD multi-touch display, an upgrade over the previous generation’s 14.9-inch screen. With a wider viewing angle and enhanced resolution, the display offers improved clarity for album art, system settings, and playback controls. Navigate your favorite streaming services, digital library, and system settings with a user-friendly touch interface—no phone or tablet required. The customizable UI includes advanced visual elements like VU meters, enhancing both form and function.\u003c\/p\u003e\n\u003cp\u003eSystem upgrades mean an ever faster and smoother user experience. \u003c\/p\u003e\n\u003ch4\u003eImmersive Video\u003c\/h4\u003e\n\u003cp\u003eThe RS151 isn’t just a high-performance streamer—it also features 4K HDMI output for an immersive visual experience. The exclusive RoseTube app delivers curated music videos, live performances, and access to your personal YouTube account, while TIDAL subscribers can enjoy a vast library of music videos and exclusive video content. The RS151 also introduces upgraded connectivity with HDMI eARC, improved coax and AES\/EBU sampling rates, and Bluetooth 5.4 with aptX for better wireless performance.\u003c\/p\u003e\n\u003ch4\u003eBetter Control\u003c\/h4\u003e\n\u003cp\u003eThe RS151 introduces an improved IR remote control, replacing the Bluetooth remote of the RS150B for better reliability and range. The Rose Connect app remains the ultimate control center, available on iOS, Android, and PC, allowing you to manage playback, system settings, and streaming services with ease. The addition of Trigger In\/Out also enables seamless power synchronization with other HiFi components, making the RS151 an even better fit for high-end systems.\u003c\/p\u003e\n\u003ch4\u003eMany Ways to Play\u003c\/h4\u003e\n\u003cp\u003eThe RS151 makes it easier than ever to store and access your personal music collection. With support for 2.5-inch SSD drives, Micro SD cards, and external USB or NAS storage, you can keep your favorite albums at your fingertips. TIDAL and RoseTube caching capabilities ensure smooth playback, even when your internet connection is inconsistent. Improved library management also allows the RS151 to handle even larger collections with ease.\u003c\/p\u003e\n\u003cp\u003eThe RS151 retains the ability to rip CDs directly to your local library using the optional RSA-780 drive or most external CD-ROM drives. Once a hard drive is installed, you can rip and store lossless digital copies of your favorite CDs, ensuring long-term access to your personal collection. 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The SPDIF, AES and I2S outputs can also be controlled by your favorite external master clock, allowing you to take performance to true ultra-high-end levels.\u003c\/p\u003e\n\u003ch4\u003eThe Connections\u003c\/h4\u003e\n\u003cp\u003eThe RS130 supports Airplay and DLNA (NAS drives), as well as Wi-Fi, Giga-Ethernet, and Bluetooth. On the back of the unit you will find digital outputs: SPDIF RCA, AES XLR, optical, HDMI, USB, and I2S HDMI.  There are two BNC clock inputs for 50 Ohm and 75 Ohm master clocks. \u003c\/p\u003e\n\u003ch4\u003eThe Controls\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp\u003eHiFi Rose is rightly praised for its beautiful Ultra HD 4K touchscreen with a wide viewing angle and rich colors. It offers an intuitive and convenient interface, and also displays high-definition album information and plays back video at 60 FPS. \u003c\/p\u003e\n\u003cp\u003eUnit-top controls offer mute, play\/pause, a favorite button, and power control.\u003c\/p\u003e\n\u003cp\u003eThe RS150B comes with a physical Bluetooth remote control, and can also be controlled via the excellent ROSE Connect app for iOS or Android.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay: \u003c\/strong\u003e15.4\" TFT LCD and capacitive (eDP) touchscreen\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStreaming \u003cbr\u003eProtocols:\u003c\/strong\u003e Airplay, DLNA, Roon Ready, Spotify Connect, Bluetooth\u003cbr\u003e\u003cstrong\u003eServices:\u003c\/strong\u003e Tidal, Qobuz, Apple Music, Bugs, ROSE Tube, internet radio, ROSE Podcast\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eClock:\u003c\/strong\u003e 1 x 50 Ohm BNC, 1 x 75 Ohm BNC\u003cbr\u003e\u003cstrong\u003eData:\u003c\/strong\u003e 2 x USB 3.0, 1 x SATA, USB 3.0 fiber\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e 1 x optical, 1 x SPDIF coax, 1 x AES XLR, 1 x HDMI I2S, 1 x HDMI 2.0\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WDH):\u003c\/strong\u003e 17\" x 12.5\" x 5\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 26.5 lb.\u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Black","offer_id":51512103829688,"sku":"HFRRS130BLK-OPEN","price":5305.5,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":51512103862456,"sku":"HFRRS130SIL-OPEN","price":5305.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/RS130_Black_front_low.jpg?v=1741630207"},{"product_id":"hifi-rose-rs451-network-streamer-dac","title":"HiFi Rose RS451  Master Fidelity Network Streamer \/ DAC","description":"\u003ch1\u003eHiFi ROSE RS451 Master Fidelity Streaming DAC\u003c\/h1\u003e\n\u003ch3\u003eDual Sabre DACs with 8.8\" touchscreen, preamp outputs, high-power balanced headphone stage, HDMI 2.0 video out, eARC input, and AirPlay\/DLNA\/Roon Ready\/Spotify Connect\u003c\/h3\u003e\n\u003cp\u003eSitting just above the RS250A and below the RS151, the RS451 brings dual DAC technology, a touchscreen, and dedicated headphone section to this desktop designed but fully hi-fi shelf capable streaming DAC.\u003c\/p\u003e\n\u003ch4\u003eThe Upscale View\u003c\/h4\u003e\n\u003cp\u003eWe love HiFi Rose for its ability to combine intuitive and fun features and usability with high-fidelity sound reproduction. If you are building a reference system and after the very lowest noise and highest detail, Aurender or Lumin might be better for you. But if you want a hugely capable system that's also fun to use and becomes the center of your living room, then HiFi Rose streamers and streaming DACs are a natural choice.\u003c\/p\u003e\n\u003ch4\u003eManufacturer's Information\u003c\/h4\u003e\n\u003cp\u003eHiFi Rose has included some serious technology from higher level streamers, while saving money by having a smaller screen and non-reference-grade power supply. 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No blems and chips. All accessories included\u003c\/i\u003e\u003cbr\u003e\u003cem\u003eSN: ESL402CB000082\u003c\/em\u003e\n\u003c\/h4\u003e\u003ch3\u003eA 250 Wpc class-AD amp with MM phonostage, subwoofer out, tone control, and beautiful industrial design. \u003c\/h3\u003e\u003ch1\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003c!-- x-tinymce\/html --\u003e\n\n\n\n\u003c\/h1\u003e\u003cp\u003eInheriting key technologies from the 200W and far more elaborate RA180, the 250W RA280 uses innovative class-AD technology to achieve huge damping power and greatly shortens the \"dead time\" that affects class-D designs.\u003c\/p\u003e\n\u003cp\u003eWith an industrial look that nods to steampunk, the RA180 is built around a sturdy aluminum chassis in a classy matte finish, real VU meters, and chunky controls with great tactile feedback.\u003c\/p\u003e\n\u003ch4\u003ePutting the A into Class D\u003c\/h4\u003e\u003ch1\u003e\n\u003c\/h1\u003e\u003cp\u003eHiFi Rose pushes the performance of highly efficient class-D amplification with the use of gallium nitride FETs (field effect transistor) that replace more traditional silicon FETs and offer more linearity by pushing the switching speed close to zero. 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