{"product_id":"hifi-rose-rs451-network-streamer-and-dac","title":"HiFi Rose RS451 Network Streamer and DAC","description":"\u003cp\u003e\u003ciframe width=\"1642\" height=\"924\" src=\"https:\/\/www.youtube.com\/embed\/Rs3dTY1rOdM?\u0026amp;autoplay=1\u0026amp;mute=1\" title=\"[Product Overview] RS451, Master Fidelity Network Streamer (Short ver.)\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHiFi Rose makes our favorite music streamers on the market. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RS451 is a brand new unit from HiFi Rose featuring the latest software + DAC technology from ESS.\u003c\/p\u003e\n\u003cp\u003eIt also features a super impressive headphone amplifier with balanced outputs perfect for the avid headphone enthusiast. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaster Fidelity Network Streamer, RS451\u003cbr\u003e\u003c\/strong\u003eThe RS451 is HiFi ROSE's next-generation network streamer, combining the brand's advanced digital audio technologies.\u003c\/p\u003e\n\u003cp\u003eIt adopts the powerful architecture of the flagship RS151 model while offering intuitive user guidance and a compact design—ideal for desktop audio setups. Equipped with a powerful ES9027PRO DAC, the RS451 uses separate DAC circuits for the pre-out and headphone output to deliver finely tuned, high-quality sound in any listening environment. The pre-out section is equipped with a precise DAC circuit that integrates seamlessly into high-quality audio systems.\u003c\/p\u003e\n\u003cp\u003eThe dedicated headphone DAC is combined with four powerful amplifiers to ensure precise impedance matching, low noise levels, and powerful drive. The RS451 offers a balanced combination of performance, design, and ease of use, setting a new standard for the HiFi ROSE audio experience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced DAC architecture\u003c\/strong\u003e\u003cbr\u003eThe ES9027PRO used in the RS451 is a high-quality 32-bit DAC with eight channels, based on ESS's HyperStream® architecture, offering precise performance optimized specifically for hi-fi audio applications.\u003c\/p\u003e\n\u003cp\u003eIt offers an impressive dynamic range of up to +124 dB and a THD+N value of 114 dB, enabling fine and clean sound reproduction. With support for PCM\u003cspan\u003e \u003c\/span\u003eup to 768 kHz and SD512, it ensures full compatibility with high-resolution audio formats. Seven built-in digital filters allow users to fine-tune the sound characteristics to their own preferences.\u003c\/p\u003e\n\u003cp\u003eIn the RS451, the eight DAC channels are configured in a parallel 4-channel structure for stereo output, enabling an even wider dynamic range and exceptionally noise-free performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInnovative headphone architecture\u003c\/strong\u003e\u003cbr\u003eThe RS451 is equipped with two ES9027PRO DACs – one is assigned to the pre-out, the other to the headphone output. This completely separates the analog audio signal paths from each other.\u003c\/p\u003e\n\u003cp\u003eEach DAC has its own independent power supply and grounding, which effectively prevents interference and minimizes noise for clean audio output. The powerful headphone amplifier section consists of four individually controlled amplifiers that deliver strong and stable output power even with low-impedance headphones.\u003c\/p\u003e\n\u003cp\u003eThe completely separate power supply concept for each channel helps to suppress crosstalk, while the ultra-low-noise circuitry ensures linear reproduction across the entire frequency range. This design ensures consistent drive performance across different impedance requirements and delivers excellent transparency and tonal balance even with high-resolution audio files.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHighest precision in headphone output\u003c\/strong\u003e\u003cbr\u003eThe RS451's headphone amplifier uses four high-performance amplifier ICs in a parallel connection, ensuring stable control even with high-impedance headphones over 600 Ω. The ultra-fast slew rate of 1300 V\/μs minimizes signal distortion and enables extremely responsive playback, accurately reproducing the finest sound impulses and dynamic changes in the music.\u003c\/p\u003e\n\u003cp\u003eThe THD+N value remains consistently low across all impedance ranges, underscoring the RS451's ability to deliver balanced, high-resolution sound with precision and clarity in any headphone environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eROSE NRA™ Filter (Noise Reduction Analog)\u003c\/strong\u003e\u003cbr\u003eThe analog output stage of the RS451 is equipped with the ROSE NRA™ filter, which eliminates noise and enables linear frequency response even in the very low frequency range. As a result, the RS451 maintains consistent frequency characteristics across the entire frequency spectrum without roll-off, delivering original sound information from high-resolution sources with clarity and high fidelity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePowerful 8-core CPU for maximum computing power\u003c\/strong\u003e\u003cbr\u003eThe RS451 is equipped with the RK3588, a next-generation 8-core CPU that offers four times the information processing power and eight times the graphics performance of its predecessor.\u003c\/p\u003e\n\u003cp\u003eIn addition, the DRAM has been doubled from 4 GB to 8 GB and the eMMC memory expanded from 8 GB to 32 GB, resulting in more than twice the processing speed.\u003c\/p\u003e\n\u003cp\u003eThis enables smooth playback of large audio files and high-resolution\u003cspan\u003e 4K HDR\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003evideos. At the same time, the media library has been tripled in size and now supports over a million titles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePreamp Outputs\u003c\/p\u003e\n\u003cul data-start=\"156\" data-end=\"508\"\u003e\n\u003cli data-start=\"156\" data-end=\"209\"\u003eOutput Impedance:\n\u003cul data-start=\"180\" data-end=\"209\"\u003e\n\u003cli data-start=\"180\" data-end=\"193\"\u003eXLR: 1.5Ω\u003c\/li\u003e\n\u003cli data-start=\"196\" data-end=\"209\"\u003eRCA: 1.3Ω\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"210\" data-end=\"262\"\u003eOutput Level:\n\u003cul data-start=\"230\" data-end=\"262\"\u003e\n\u003cli data-start=\"230\" data-end=\"245\"\u003eXLR: 10Vrms\u003c\/li\u003e\n\u003cli data-start=\"248\" data-end=\"262\"\u003eRCA: 5Vrms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"263\" data-end=\"337\"\u003eTHD+N (1kHz):\n\u003cul data-start=\"283\" data-end=\"337\"\u003e\n\u003cli data-start=\"283\" data-end=\"309\"\u003eXLR: 0.00025% @ 10Vrms\u003c\/li\u003e\n\u003cli data-start=\"312\" data-end=\"337\"\u003eRCA: 0.00025% @ 5Vrms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"338\" data-end=\"398\"\u003eSignal-to-Noise Ratio:\n\u003cul data-start=\"367\" data-end=\"398\"\u003e\n\u003cli data-start=\"367\" data-end=\"381\"\u003eXLR: 129dB\u003c\/li\u003e\n\u003cli data-start=\"384\" data-end=\"398\"\u003eRCA: 126dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"399\" data-end=\"423\"\u003eDynamic Range: 130dB\u003c\/li\u003e\n\u003cli data-start=\"424\" data-end=\"466\"\u003eStereo Crosstalk: 140dB (20Hz – 20kHz)\u003c\/li\u003e\n\u003cli data-start=\"467\" data-end=\"508\"\u003eFrequency Response: 10Hz – 80kHz (±1dB)\u003cmeta charset=\"utf-8\"\u003e Headphone Outputs\n\u003cul data-start=\"532\" data-end=\"617\"\u003e\n\u003cli data-start=\"532\" data-end=\"617\"\u003eOutput Jacks:\n\u003cul data-start=\"552\" data-end=\"617\"\u003e\n\u003cli data-start=\"552\" data-end=\"570\"\u003eXLR (Balanced)\u003c\/li\u003e\n\u003cli data-start=\"573\" data-end=\"593\"\u003e4.4mm (Balanced)\u003c\/li\u003e\n\u003cli data-start=\"596\" data-end=\"617\"\u003e6.35mm (Unbalanced)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-start=\"966\" data-end=\"1258\"\u003e\n\u003cli data-start=\"966\" data-end=\"1058\"\u003eTHD+N:\n\u003cul data-start=\"979\" data-end=\"1058\"\u003e\n\u003cli data-start=\"979\" data-end=\"996\"\u003e16Ω: 0.00065%\u003c\/li\u003e\n\u003cli data-start=\"999\" data-end=\"1016\"\u003e32Ω: 0.00060%\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1037\"\u003e300Ω: 0.00035%\u003c\/li\u003e\n\u003cli data-start=\"1040\" data-end=\"1058\"\u003e600Ω: 0.00030%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1059\" data-end=\"1141\"\u003eSignal-to-Noise Ratio:\n\u003cul data-start=\"1088\" data-end=\"1141\"\u003e\n\u003cli data-start=\"1088\" data-end=\"1102\"\u003eXLR: 128dB\u003c\/li\u003e\n\u003cli data-start=\"1105\" data-end=\"1121\"\u003e4.4mm: 128dB\u003c\/li\u003e\n\u003cli data-start=\"1124\" data-end=\"1141\"\u003e6.35mm: 118dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1142\" data-end=\"1216\"\u003eDynamic Range:\n\u003cul data-start=\"1163\" data-end=\"1216\"\u003e\n\u003cli data-start=\"1163\" data-end=\"1177\"\u003eXLR: 140dB\u003c\/li\u003e\n\u003cli data-start=\"1180\" data-end=\"1196\"\u003e4.4mm: 140dB\u003c\/li\u003e\n\u003cli data-start=\"1199\" data-end=\"1216\"\u003e6.35mm: 120dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1217\" data-end=\"1258\"\u003eFrequency Response: 10Hz – 80kHz (±1dB)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1260\" data-end=\"1279\"\u003eTechnical Specs\u003c\/p\u003e\n\u003cul data-start=\"1280\" data-end=\"1543\"\u003e\n\u003cli data-start=\"1280\" data-end=\"1317\"\u003ePSU: Toroidal Linear Power Supply\u003c\/li\u003e\n\u003cli data-start=\"1318\" data-end=\"1370\"\u003eCPU: Quad-core Cortex-A76 + Quad-core Cortex-A55\u003c\/li\u003e\n\u003cli data-start=\"1371\" data-end=\"1391\"\u003eRAM: 8GB LPDDR4X\u003c\/li\u003e\n\u003cli data-start=\"1392\" data-end=\"1443\"\u003eGPU: ARM Mali-G610 MC4 (OpenGL, Vulkan, OpenCL)\u003c\/li\u003e\n\u003cli data-start=\"1444\" data-end=\"1469\"\u003eDAC: ES9027 PRO (ESS)\u003c\/li\u003e\n\u003cli data-start=\"1470\" data-end=\"1505\"\u003eHeadphone DAC: ES9027 PRO (ESS)\u003c\/li\u003e\n\u003cli data-start=\"1506\" data-end=\"1543\"\u003eClock: Highly Precise Femto Clock\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1545\" data-end=\"1555\"\u003eInputs\u003c\/p\u003e\n\u003cul data-start=\"1556\" data-end=\"1935\"\u003e\n\u003cli data-start=\"1556\" data-end=\"1633\"\u003eDigital:\n\u003cul data-start=\"1571\" data-end=\"1633\"\u003e\n\u003cli data-start=\"1571\" data-end=\"1589\"\u003eUSB 2.0 Type-B\u003c\/li\u003e\n\u003cli data-start=\"1592\" data-end=\"1603\"\u003eCoaxial\u003c\/li\u003e\n\u003cli data-start=\"1606\" data-end=\"1617\"\u003eOptical\u003c\/li\u003e\n\u003cli data-start=\"1620\" data-end=\"1633\"\u003eHDMI eARC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1634\" data-end=\"1862\"\u003eSupported Formats:\n\u003cul data-start=\"1659\" data-end=\"1862\"\u003e\n\u003cli data-start=\"1659\" data-end=\"1769\"\u003ePCM:\n\u003cul data-start=\"1672\" data-end=\"1769\"\u003e\n\u003cli data-start=\"1672\" data-end=\"1694\"\u003eUp to 32bit\/768kHz\u003c\/li\u003e\n\u003cli data-start=\"1699\" data-end=\"1721\"\u003e32bit\/384kHz (DoP)\u003c\/li\u003e\n\u003cli data-start=\"1726\" data-end=\"1748\"\u003e32bit\/192kHz (DoP)\u003c\/li\u003e\n\u003cli data-start=\"1753\" data-end=\"1769\"\u003e24bit\/192kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1862\"\u003eDSD:\n\u003cul data-start=\"1785\" data-end=\"1862\"\u003e\n\u003cli data-start=\"1785\" data-end=\"1805\"\u003eDSD512 (22.6MHz)\u003c\/li\u003e\n\u003cli data-start=\"1810\" data-end=\"1834\"\u003eDSD128 (5.6MHz, DoP)\u003c\/li\u003e\n\u003cli data-start=\"1839\" data-end=\"1862\"\u003eDSD64 (2.8MHz, DoP)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1863\" data-end=\"1882\"\u003eAnalog: Line In\u003c\/li\u003e\n\u003cli data-start=\"1883\" data-end=\"1910\"\u003eService: USB 3.0 Type-C\u003c\/li\u003e\n\u003cli data-start=\"1911\" data-end=\"1935\"\u003eTrigger: DC 3.3V – 12V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1937\" data-end=\"1948\"\u003eOutputs\u003c\/p\u003e\n\u003cul data-start=\"1949\" data-end=\"2235\"\u003e\n\u003cli data-start=\"1949\" data-end=\"2010\"\u003eDigital:\n\u003cul data-start=\"1964\" data-end=\"2010\"\u003e\n\u003cli data-start=\"1964\" data-end=\"1982\"\u003eUSB 3.0 Type-A\u003c\/li\u003e\n\u003cli data-start=\"1985\" data-end=\"1996\"\u003eCoaxial\u003c\/li\u003e\n\u003cli data-start=\"1999\" data-end=\"2010\"\u003eOptical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2011\" data-end=\"2138\"\u003eSupported Formats:\n\u003cul data-start=\"2036\" data-end=\"2138\"\u003e\n\u003cli data-start=\"2036\" data-end=\"2062\"\u003ePCM up to 32bit\/768kHz\u003c\/li\u003e\n\u003cli data-start=\"2065\" data-end=\"2085\"\u003eDSD512 (22.6MHz)\u003c\/li\u003e\n\u003cli data-start=\"2088\" data-end=\"2112\"\u003eDSD128 (5.6MHz, DoP)\u003c\/li\u003e\n\u003cli data-start=\"2115\" data-end=\"2138\"\u003eDSD64 (2.8MHz, DoP)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2139\" data-end=\"2172\"\u003eAnalog: Unbalanced \u0026amp; Balanced\u003c\/li\u003e\n\u003cli data-start=\"2173\" data-end=\"2215\"\u003eVideo Output: HDMI 2.0 (4K UHD \/ 60Hz)\u003c\/li\u003e\n\u003cli data-start=\"2216\" data-end=\"2235\"\u003eTrigger: DC 12V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2237\" data-end=\"2261\"\u003eNetwork Connectivity\u003c\/p\u003e\n\u003cul data-start=\"2262\" data-end=\"2387\"\u003e\n\u003cli data-start=\"2262\" data-end=\"2303\"\u003eEthernet: 10\/100\/1000 BASE-T (1 Port)\u003c\/li\u003e\n\u003cli data-start=\"2304\" data-end=\"2325\"\u003eWi-Fi: USB Dongle\u003c\/li\u003e\n\u003cli data-start=\"2326\" data-end=\"2387\"\u003eBluetooth: Version 5.4, aptX (A2DP 1.4, Sink, AVRCP v1.6.2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2389\" data-end=\"2412\"\u003eStreaming Protocols\u003c\/p\u003e\n\u003cul data-start=\"2413\" data-end=\"2487\"\u003e\n\u003cli data-start=\"2413\" data-end=\"2426\"\u003eBluetooth\u003c\/li\u003e\n\u003cli data-start=\"2427\" data-end=\"2438\"\u003eAirPlay\u003c\/li\u003e\n\u003cli data-start=\"2439\" data-end=\"2452\"\u003eDLNA\/UPnP\u003c\/li\u003e\n\u003cli data-start=\"2453\" data-end=\"2467\"\u003eRoon Ready\u003c\/li\u003e\n\u003cli data-start=\"2468\" data-end=\"2487\"\u003eSpotify Connect\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2489\" data-end=\"2500\"\u003eStorage\u003c\/p\u003e\n\u003cul data-start=\"2501\" data-end=\"2612\"\u003e\n\u003cli data-start=\"2501\" data-end=\"2530\"\u003eNetwork: SMB, FTP, WebDav\u003c\/li\u003e\n\u003cli data-start=\"2531\" data-end=\"2612\"\u003eExternal:\n\u003cul data-start=\"2547\" data-end=\"2612\"\u003e\n\u003cli data-start=\"2547\" data-end=\"2569\"\u003e3 × USB 3.0 Type-A\u003c\/li\u003e\n\u003cli data-start=\"2572\" data-end=\"2612\"\u003e1 × 2.5\" SSD (SATA 3.0, NTFS, exFAT)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2614\" data-end=\"2626\"\u003eFeatures\u003c\/p\u003e\n\u003cul data-start=\"2627\" data-end=\"2675\"\u003e\n\u003cli data-start=\"2627\" data-end=\"2675\"\u003eCD Ripping Support (via external USB CD Drive)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2677\" data-end=\"2686\"\u003ePower\u003c\/p\u003e\n\u003cul data-start=\"2687\" data-end=\"2856\"\u003e\n\u003cli data-start=\"2687\" data-end=\"2737\"\u003eInput Voltage: AC 110–120V \/ 220–240V, 50\/60Hz\u003c\/li\u003e\n\u003cli data-start=\"2738\" data-end=\"2815\"\u003ePower Consumption:\n\u003cul data-start=\"2763\" data-end=\"2815\"\u003e\n\u003cli data-start=\"2763\" data-end=\"2780\"\u003eStandby: 0.5W\u003c\/li\u003e\n\u003cli data-start=\"2783\" data-end=\"2795\"\u003eIdle: 5W\u003c\/li\u003e\n\u003cli data-start=\"2798\" data-end=\"2815\"\u003ePlayback: 20W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2816\" data-end=\"2856\"\u003eProtection: 3A Thermal Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2858\" data-end=\"2870\"\u003ePhysical\u003c\/p\u003e\n\u003cul data-start=\"2871\" data-end=\"3089\"\u003e\n\u003cli data-start=\"2871\" data-end=\"2932\"\u003eDisplay: 8.8\" IPS LCD with Capacitive Touch Screen (MIPI)\u003c\/li\u003e\n\u003cli data-start=\"2933\" data-end=\"2975\"\u003eDimensions: 430(W) × 337(D) × 92(H) mm\u003c\/li\u003e\n\u003cli data-start=\"2976\" data-end=\"2991\"\u003eWeight: 7kg\u003c\/li\u003e\n\u003cli data-start=\"2992\" data-end=\"3039\"\u003eMaterial: Aluminum \/ Rust-proof Steel \/ ABS\u003c\/li\u003e\n\u003cli data-start=\"3040\" data-end=\"3065\"\u003eFinish: Silver, Black\u003c\/li\u003e\n\u003cli data-start=\"3066\" data-end=\"3089\"\u003eIR: 38kHz IR Receiver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HiFi Rose","offers":[{"title":"Black","offer_id":47208859402494,"sku":null,"price":3295.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":47208859435262,"sku":null,"price":3295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0003\/3275\/9084\/files\/hifi-rose-rs451-network-streamer-and-dac-cd-digital-811.jpg?v=1774627747","url":"https:\/\/skyfiaudio.com\/products\/hifi-rose-rs451-network-streamer-and-dac","provider":"SkyFi Audio","version":"1.0","type":"link"}