{"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. Even so, you get a toroidal linear PSU and a high-precision femto clock, as well as balanced outs and dedicated headphone out. \u003c\/p\u003e\n\u003cp\u003eThe RS451 applies two ES9027PRO DACs on completely separated analog paths—one dedicated to the pre-out section and one to the headphone section—with independent power supplies and grounding to suppress interference and crosstalk. Each DAC uses a 4-channel parallel configuration per stereo output to push noise lower and dynamic range higher, locked to a highly precise femto clock.\u003c\/p\u003e\n\u003cp\u003eThe analog stage incorporates the ROSE NRA™ (Noise Reduction Analog) filter for a flat response down into the very low frequencies, preserving original signal information from high-resolution sources.\u003c\/p\u003e\n\u003cp\u003eThe headphone architecture uses four high-output amplifier ICs in a parallel configuration, delivering strong, stable drive into a wide range of loads, including high-impedance headphones exceeding 600 Ω. Front-panel XLR, 4.4 mm balanced, and 6.35 mm unbalanced jacks are provided, alongside rear balanced and unbalanced preamp outputs for system integration.\u003c\/p\u003e\n\u003cp\u003eProcessing is handled by the next-generation 8-core RK3588 (quad Cortex-A76 + quad Cortex-A55) paired with 8 GB LPDDR4X and 32 GB onboard eMMC, yielding roughly 4× general compute and 8× graphics performance over the previous platform.\u003c\/p\u003e\n\u003cp\u003eThis enables smooth browsing of very large libraries (on the order of 1 million tracks), bit-perfect playback up to PCM 32-bit\/768 kHz and DSD512, and 4K\/60 Hz HDR video via HDMI, while the 8.8\" IPS capacitive touchscreen provides fast, direct control.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual ES9027PRO DACs — one for pre-out, one for headphones\u003c\/li\u003e\n\u003cli\u003e4.4mm balanced, 6.35mm unbalanced, and XLR balanced headphone outputs\u003c\/li\u003e\n\u003cli\u003eDrives headphones up to 600Ω with low noise and precise impedance matching\u003c\/li\u003e\n\u003cli\u003e8.8-inch LCD touchscreen (1920×480) with “Visible Audio” interface\u003c\/li\u003e\n\u003cli\u003eCompact aluminum chassis with engraved ROSE emblem\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ch4\u003ePreamp Outputs\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Balanced XLR and unbalanced RCA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Level:\u003c\/strong\u003e 10 Vrms (XLR), 5 Vrms (RCA)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 1.5 Ω (XLR), 1.3 Ω (RCA)\u003c\/p\u003e\n\u003ch4\u003eHeadphone Amplifier\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eJacks:\u003c\/strong\u003e XLR (balanced), 4.4 mm (balanced), 6.35 mm (unbalanced)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output (XLR, 4.4 mm, 6.35 mm)\u003cbr\u003e16 Ω:\u003c\/strong\u003e 2,700 mW, 2,700 mW, 1,300 mW\u003cbr\u003e\u003cstrong\u003e32 Ω:\u003c\/strong\u003e 2,600 mW, 2,600 mW, 1,000 mW\u003cbr\u003e\u003cstrong\u003e300 Ω:\u003c\/strong\u003e 650 mW,  650 mW, 175 mW\u003cbr\u003e\u003cstrong\u003e600 Ω:\u003c\/strong\u003e 350 mW, 350 mW, 90 mW\u003c\/p\u003e\n\u003ch4\u003eDigital Inputs\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eUSB-B (PC Audio):\u003c\/strong\u003e PCM 32-bit\/768 kHz, DSD512 (22.6 MHz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoaxial In:\u003c\/strong\u003e PCM 32-bit\/384 kHz, DSD128 (5.6 MHz, DoP)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptical In:\u003c\/strong\u003e PCM 32-bit\/192 kHz, DSD64 (2.8 MHz, DoP)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHDMI eARC In:\u003c\/strong\u003e PCM 24-bit\/192 kHz\u003c\/p\u003e\n\u003ch4\u003eDigital Outputs\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eUSB-A Audio Out:\u003c\/strong\u003e PCM 32-bit\/768 kHz, DSD512 (22.6 MHz)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoaxial Out:\u003c\/strong\u003e PCM 32-bit\/384 kHz, DSD128 (5.6 MHz, DoP)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptical Out:\u003c\/strong\u003e PCM 32-bit\/192 kHz, DSD64 (2.8 MHz, DoP)\u003c\/p\u003e\n\u003ch4\u003eAnalog I\/O\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePreamp Outputs:\u003c\/strong\u003e Balanced XLR, unbalanced RCA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLine Input:\u003c\/strong\u003e 1 × analog line in\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrigger:\u003c\/strong\u003e In (DC 3.3 V–12 V), Out (DC 12 V)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGround:\u003c\/strong\u003e GND terminal\u003c\/p\u003e\n\u003ch4\u003eProcessing\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eCPU:\u003c\/strong\u003e Rockchip RK3588 (Quad-core Cortex-A76 + Quad-core Cortex-A55)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRAM:\u003c\/strong\u003e 8 GB LPDDR4X\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGPU:\u003c\/strong\u003e ARM Mali-G610 MC4 (OpenGL, Vulkan, OpenCL)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDAC (Preamp):\u003c\/strong\u003e ESS ES9027PRO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDAC (Headphone):\u003c\/strong\u003e ESS ES9027PRO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaster Clock:\u003c\/strong\u003e Highly precise femto clock\u003c\/p\u003e\n\u003ch4\u003eNetworking \u0026amp; Wireless\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eEthernet:\u003c\/strong\u003e 10\/100\/1000 BASE-T (1 port)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWi-Fi:\u003c\/strong\u003e Via USB dongle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth:\u003c\/strong\u003e 5.4 aptX (A2DP 1.4, Sink; AVRCP v1.6.2)\u003c\/p\u003e\n\u003ch4\u003eStreaming \u0026amp; Protocols\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eProtocols:\u003c\/strong\u003e Bluetooth, AirPlay, DLNA\/UPnP, Roon Ready, Spotify Connect\u003c\/p\u003e\n\u003ch4\u003eStorage\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eExternal:\u003c\/strong\u003e 3 × USB 3.0 Type-A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInternal:\u003c\/strong\u003e 1 × 2.5\" SSD bay (SATA 3.0; NTFS, exFAT)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork File Services:\u003c\/strong\u003e SMB, FTP, WebDAV\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCD Ripping:\u003c\/strong\u003e Supported via external USB CD drive\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService Port:\u003c\/strong\u003e USB 3.0 Type-C\u003c\/p\u003e\n\u003ch4\u003eVideo \u0026amp; Display\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eHDMI Output:\u003c\/strong\u003e HDMI 2.0, 4K UHD \/ 60 Hz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFront Display:\u003c\/strong\u003e 8.8\" IPS LCD \u0026amp; capacitive touchscreen (MIPI)\u003c\/p\u003e\n\u003ch4\u003ePower\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Toroidal linear power supply; 3 A thermal circuit breaker\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAC Input Voltage:\u003c\/strong\u003e 110–120 V, 220–240 V, 50\/60 Hz\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e Standby 0.5 W; Idle 5 W; Playback 20 W\u003c\/p\u003e\n\u003ch4\u003ePhysical\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WHD):\u003c\/strong\u003e 16.93\" x 3.62\" x 13.27\" (430 x 92 x 337 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 15.43 lb. (7 kg)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e Aluminum, rust-proof steel, ABS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Silver, Black\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIR Receiver:\u003c\/strong\u003e 38 kHz\u003c\/p\u003e","brand":"HiFi Rose","offers":[{"title":"Black","offer_id":51687131447480,"sku":"HFR-RS451-BLK","price":3295.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":51687131480248,"sku":"HFR-RS451-SIL","price":3295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/RS451_3_Front60_BK_home.png?v=1756311709","url":"https:\/\/upscaleaudio.pro\/products\/hifi-rose-rs451-network-streamer-dac","provider":"Upscale Audio","version":"1.0","type":"link"}