HiFi Rose RS451 network streamer
Henley Audio are delighted to confirm that the latest HiFi Rose network streamer is making its way to the UK this autumn. First unveiled at Munich High End 2025, the RS451 is another highly innovative release from the Korean streaming specialists. Combining that instantly recognisable HiFi Rose aesthetic with a new variety ofheadphone output options, the RS451 is an ideal solution for music lovers looking to expand their traditional hi-fi system, or their desktop headphone system.
Featuring trickle-down technology from the flagship RS151 network streamer, the RS451 simultaneously brings HiFi Rose to a wider range of customers thanks to its competitive pricing, while also setting its own highstandard for sound performance thanks to its sophisticated internal design. Featuring separate DAC circuitry for the pre-out and headphone-out options, this stylish device is optimised to suit different types of listening.
Key features
Full-feature network streaming capability with extensive input and output options.
Full Rose OS support, for playback from many popular music services and locally stored music.
Innovative signal processing technology, including the Rose DPC module from the RD160.
New innovative DAC design with ES9027PRO chips.
Low-noise electrical design with Rose NRA Filter taken from the RS151.
Upgraded CPU, taken from the RS151, for overall improved performance.
New 8” high resolution touch screen.
New headphone output connections makes RS451 ideal for desktop use.
New oversized volume control gives added tactile control for nearfield listening.
Android 12 operating system.
IR remote control included.
HiFi Rose RS451: £2,699.00 (SRP)
RS451 is shipping in black and silver finish during September 2025.
HiFi Rose RS451 in detail
The RS451 is a next-generation network streamer, combining HiFi Rose’s advanced digital audio technologies with a new variety of output options and a reduced footprint that’s ideal for both traditional hi-fi systems and desktop headphone listening.
The ES9027PRO used in the RS451 is a high-end 32-bit, 8-channel DAC chip designed with ESS’s HyperStream® architecture, delivering precise performance optimised for hi-fi audio applications. Its class leading specifications enable delicate and clean sound reproduction. Supporting PCM up to 768kHz and DSD512, it ensures perfect compatibility with high-resolution audio formats. The variety of digital filters alsooffer a degree of sound customisation, to suit different styles of music or listening preferences.
By utilising two DAC chips within its advanced circuitry, the RS451 can deploy one chip for the traditional pre-out stage, and a separate one for the headphone output stage. In this way, the two signal paths are completelyseparated. The high-performance headphone stage further consists of four individually driven amplifiers thatprovide strong and stable output, even for low-impedance headphones. Further clarity and performance areguaranteed by the isolated power supply design for each channel. The result is a truly first-class headphone system, all in one box.
The RS451 makes use of Rose’s Digital Processing Core (DPC) Module, which was originally developed for theRD160 DAC and further employed in the RS151. This module precisely synchronizes any digital signal the DAC receives with a high-precision Femto clock as an I2S signal. It applies clock synchronization and locking processes to minimise jitter, allowing for accurate processing and a natural, clear sound performance. By isolating this module away from the wider CPU circuitry, it’s possible to eliminate signal distortion and interference that’s generated within the unit from the digital audio path. The result is accurately processed data,resulting in a natural and clean sound across a wide range of digital formats.
Rose OS
At the centre of the RS451 is Rose OS, HiFi Rose’s Android-based operating system, which opens a world of music and video content to your streamer. Rose OS supports local network music playback within Rose’sMusic app, as well as CD playback and ripping via a connected optical drive. There is also support for internet radio, Spotify Connect, Tidal, Qobuz and Apple Music. The RS451 is also Roon Ready and Plays with Audirvāna certified. In addition, the operating system offers support for video playback, either locally or within the Tidal or Rose Tube apps.
As well as Rose OS, the RS451 makes use of the Rose Audio Engine, an in-house development that ensures all digital audio is delivered to the DAC without loss for precise signal processing.
The upgraded 8-Core CPU used in the RS451 boasts powerful data processing and improved graphics performance. The result of this upgrade is the best Rose OS experience yet, including support for larger music libraries.
Connect what you need
The RS451 offers a well-organised rear panel layout with intuitive port placement, tailored for real usage scenarios. It includes only the essential input and output options for high-fidelity playback, arranged for both simplicity and connection stability. The spacing between ports is carefully considered to reduce interferencebetween devices, making installation more convenient and flexible across various environments.
With support for high-quality Bluetooth playback, USB playback, a hi-res coaxial input (supporting up to 32-bit / 384kHz PCM and DSD128), an optical input, HDMI eARC connection and a traditional RCA input, as well as balanced and unbalanced outputs – there’s very few systems the RS451 is not at home in.
Compact form
The RS451 is engineered to delivery high-fidelity audio performance from a slim and space-efficient formfactor. With HiFi Rose’s signature aluminium enclosure employed once again, there’s a reassuring quality that merges with the high aesthetic appeal of the product.
Similarly, the new high-resolution, wide-angle 8” display offers the same intuitive control as other HiFi Rose streamers but is now flanked for the first time by the various headphone connections on one side, and the precisely machined volume knob on the other side, for a sense of visual balance as well as practical usability.