HiFi Rose RS250A – Network Streamer / Dac / Preamp

Our Price:£2,349.00

HiFi Rose RS250A – The RS250A from HiFi Rose is a true high-end device. From its elegant, sturdy aluminium construction through its extensive DAC functions and on to its bespoke transformer design – no element of this prestigious product is left to chance. The RS250 is guaranteed to deliver industry leading sound and benefits from Rose OS, a bespoke operating system that delivers a control interface and feature-set that is second-to-none, please feel free to call for more information or to book a demo.

The RS250A is a high-performance network streamer, DAC, and pre-amplifier with an output stage optimised for true audiophile performance. Thanks to the coveted Rose OS operating system, intuitive touch-screen control and its extensive list of features, the RS250A opens up a wide world of high-quality digital music. 

The RS250A is built around a first-class digital stage. Starting with the superior ES9028 PRO DAC chip and utilising an ultra-low phase noise oscillator, the streamer can support and convey the true quality of music formats up-to PCM 32 bit / 768kHz and Native DSD512 (22.5792MHz).  

In the output stage HiFi Rose have made use of their new discrete op-amp technology which, alongside other premium technologies and materials such as the full linear power circuit, results in a sound performance that is full of character and benefitting from very low noise and distortion. 

At the heart of the RS250A is ROSE OS, HiFi Rose’s Android-based operating system, which opens a world of music and video to your streamer.  

Rose OS allows users to play music and video files from a local storage device (USB or SATA), or access files elsewhere on your home network with a DLNA connection to any NAS drives or other storage devices. The Music app gives a clean presentation of all your connected music sources and is easy to navigate and use. Rose OS also features built-in apps for Tidal, Qobuz and Apple Music – giving complete access to their extensive streaming libraries. The Tidal app even gives access to the service’s music video streaming content for playback on the RS250A screen or via the HDMI output.  On top of this already impressive feature set, the RS250A is also an MQA decoder, for full playback of Tidal Masters tracks. 

Elsewhere, the CD and CD Ripping apps allow you to attach any standard external CD-ROM drive for convenient CD playback, or to rip CDs in highest-quality to any local storage device in a quick and intuitive way, all through the touch-screen interface. The Radio and Podcast apps give you access to extensive live radio and podcast databases, while Rose Tube gives you access to YouTube for music and video playback. Rose OS also offers support for Roon Ready, Spotify Connect and AirPlay, effectively bringing your entire digital audio experience into one elegant system. 

But in addition to offering extensive music access, Rose OS is also engineered for high-performance sound. The Rose Audio Architecture within Rose OS can deliver pure audio data to a DAC without loss, thanks to the Rose Audio Server, developed in-house by HiFi Rose to utilise various signal processing technologies. These technologies effectively involve separating the audio data from all other processes required to run the operating system, meaning the audio signal is never affected when you are controlling other aspects of the RS250A. 


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Technical Data

Base Operating System Customised Android 7.1
CPU Hexa Core CPU, Dual-core Cortex-A72 up to 1.8GHz, Quad-core Cortex-A53 up to 1.4GHz
GPU Mali-T864 GPU, OpenGL ES 1.1/2.0/3.0/3.1, OenVG1.1, OpenCL, DX11
Memory LPDDR3 4GB
Oscillator High-Precision Femto Clock
DAC Chip ES9028 PRO 8-Channel Audio DAC
Output Level Max 2.2Vrms, Unbalanced
Signal to Noise ratio 126dB (A-weighted)
THD 0.00012% (1kHz, 2.25Vrms, Unbalanced output)
THD + N 0.0002% (1kHz, 2.25Vrms, Unbalanced output)
Dynamic Range 137dB (CCITT filter)
Stereo Cross Talk > 137dB (20Hz – 20kHz)
Frequency Response 17Hz – 80kHz (± 1dB)
Output Impedance 150Ω
Network Connectivity Ethernet 10/100/1000 BASE-T, Wi-Fi (802.11 b/g/n/a/ac) 2.4Ghz/5Ghz Dual Band
Bluetooth Bluetooth supported (A2DP Sink, AVRCP v1.3)
Streaming Service Bluetooth A2DP Sink, Airplay, DLNA, Roon Ready, Spotify Connect
Audio Inputs Line Input x 1, Optical In x 1, COAX x 1, USB 2.0 Audio In x 1
Audio Outputs Analogue Out (Unbalanced RCA) x 1, Optical Out x 1, COAX x 1, USB 3.0 Audio Out x 1, Headphone Out x 1
Video Outputs HDMI 2.0 x 1 (up to 3840 x 2160 / 60Hz)
Media Connections USB 3.0 x 2 (File system-NTFS/exFAT/FAT32, up to 10TB), SATA 3.0, SSD x 1 (File system-NTFS/exFAT/FAT32, up to 4TB)
Network Support Protocol SMB / FTP / WebDAV
Supported Audio Codecs WAV, FLAC, ALAC, AIFF, WMA, MP3, OGG, APE, DFF, DSF, AAC, CDA, AMR, APE, EC3, E-EC3, MID, MPL, MP2, MPC, MPGA, M4A, PCM: 8kHz – 768kHz (8 / 16 / 24 / 32bit sample rate)
Native DSD DSD64 (2.8MHz) – DSD512 (22.4MHz)
MQA Full Decoding
Supported Video Codec ASF, AVI, MKV, MP4, WMV, MPEG-1, MPEG-2, MPEG-4, H.263, H.264, H.265, VC-1, VP9, VP8, MVC, H.264/AVC, Base/Main/High/High10 profile@level5.1 up to 4Kx2K@30fps, H.265/HEVC, Main/Main10 profile@ level 5.1 High-tier up to 4Kx2K@60fps
Display 8.8-inch TFT LCD & Capacitive Touch Screen (MIPI-DSI)
Size (W x D x H): 278 x 231 x 83 mm
Weight: 3.2kg
Power Consumption: 50W
Accessories Power Cord x 1, Bluetooth Remote Controller x 1, Manual x 1, SSD Screw x 4

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