The HiFi Rose RS250A Streamer / DAC with built-in high performance DAC (ES9028PRO) and Discrete OP AMPS provides the best of wide bandwith, separation and audio clarity.
The wide LCD and multi-touch priovide a new experience as an audio device and add perfection to those seeking simplicity.
The harmonious design of the high-quality aluminium body emphasizing the same edge as the previous product and the cool wide viewing angle touchscreen placed on the front side makes your music space stand out even more.
The rotary-type power and volume switches in consideration of viusal effect and practically pursue ROSE's own delicacy.
Flagship Single Stereo Design DAC
RS250A with built-in ESS flagship DAC (ES9028PRO) provides low-noise, low-distortion ultra-high-resolution sound and rich analogue density through proprietary processing that supports PCM 32bit / 768kHz and Native DSD512 (22.5792Mhz).
Equipped with High-Performance Inputs / Outputs
Equipped with a variety of connectors, it is compatible with multiple devices. Equipped with various input and output ports, RS250A completes the ultimate connectivity.
Realization of Analogue Acoustic Sensibility
Acoustic engineers and audio craftsmen with 30 years of experience tune the device to delive the original impression and intention of high-quality sound. It clearly expresses the entire range, from the magnificent and rich bass to the delicate and elegant highs.
Linear Power Circuit Design Applied
The linear power supply provides a clean and reliable power supply to the CPU and audio output circuits.
Fully linear power supply and shielding are applied, and noise that may be transmitted to the sensitive DAC is blocked for the best possible sound reproduction.
Various Wired and Wireless Connections Available
You can enjoy seamless streaming through the network. It supports Airplay and DLNA functions.
Also, you can connect the device to a smartphone, computer, or tablet PC through WiFi / Giga Ethernet / Bluetooth communications.
Large Media Library Connection Available
The ROSE RS250A is designed to allow sufficient storage space to be connected in consideration of high-quality music appreciation. It can recognize up to 4TB SSD and 10TB external HDD, and supports connection with NAS. Now experience listening to high-quality music without worrying about storage space.
- Music Service: Qobuz, TIDAL, AppleMusic, Bugs, RoseTube, RosePodcast, Internet Radio
- Video Service: TIDAL Video, Bugs Video, RoseTube (supporting 4K UHD 60p resolution)
- Streaming Service: BlueTooth A2DP Sink, Airplay, DLNA , Roon Ready, Spotify Connect
- Internet Radio: Internet radio support for thousands of channels around the world
- CD Play/Ripping: CD playback and CD ripping support using a dedicated USB CD drive
- Network Service: Network sharing of built-in storage devices using SMB server, FTP server, and WebDAV server, Network shared folder support using SMB, FTP, WebDAV protocol
- SoftWare Update: SW update including OTA, USB Storage, ROSE Store
- USB Audio IN: Compatible with USB Audio Class 2.0, supporting USB Audio IN (Windows PC-ASIO drive support / MAC PC-Core Audio support / Linux PC-ALSA drive support)
- USB Audio OUT: Compatible with USB Audio Class 2.0, supporting USB Audio OUT (Various USB DAC can be connected)
- Hi-Res Audio: Supporting high-quality sound data (24~32 bit/48~768 kHz) that certified by Hi-Res Audio
- MQA: MQA Full Decoder
- Supported Audio Codecs: WAV, FLAC, ALAC, WMA, MP3, OGG, APE, DFF, DSF, AAC, CDA, AMR, APE, EC3, E-EC3, MID, MPL, MP2, MPC, MPGA, M4A, AIFF, PCM : 8kHz~768kHz(8/16/24/32bit per Sample) Native DSD: DSD64(2.8MHz) / DSD128(5.6MHz) / (11.2MHz) / DSD512(22.4MHz)
- Supported Video Codecs: 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 email@example.com up to 4Kx2K@30fps, H.265/HEVC, Main/Main10 profile@ level 5.1 High-tier up to 4Kx2K@60fps
- Storage interface: Supporting SATA slot for installation of USB hard disk (10TB) and SSD (4TB)
- Setup Wizard: Installation Wizard support for easy initial setup
- Technical support: Remote technical support function
- Remote App: Supporting Remote App (RoseConnect) based on various platforms (Android, iOS, Windows)
|OS||Customised Android 7.1|
|DESIGN||Size||278 x 202 x 76mm|
|Body||High-Quality anodized aluminium front-top with modern styling|
|Display||8.8 Inch Wide Angle Multi-Touch panel|
|CPU||HEXA CORE||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||LPDDR4 4 GB|
|IN / OUTPUT||Audio Input||Line Inout x 1, Optical In x 1, COAX x 1, USB Audio IN x1|
|Audio Output||PreAmp Out (Unbalanced RCA) x 1, Optical Out x 1, Headphone Out x 1, COAX x 1, USB Audio Out x 1|
|Video Output||HDMI 2.0 x 1 (up to 3840 x 2160 / 60Hz)|
|DAC Chip||ES9028PRO (ESS) 8-Channel Audio DAC|
|Oscillator||Femto 100MHz, Ultra-Low Phase Noise OSC|
|OP AMP||HiFi Rose Discrete OP AMP, Single OP AMP x 10|
|THD + N||0.0003% (1kHz 2.25Vrms Unbalanced Output)|
|THD||(1 KHz 2.25Vrms Unbalanced Output)|
|Dynamic Range||MAX 135dB (CCITT Filter)|
|Stereo Crosstalk||Better than -137dB, 20Hz ~ 20khz|
|Signal to Noise Ratio||122dB (A-wt)|
|Output Frequency Response||17Hz ~80kHz, +- 1dB|
|Output Impedance||150 Ohms|
|Input Impedance||100k Ohms|
|MEDIA CONNECTION||USB3.0 x 2 (File system-NTFS/FAT32, supported capacity- up to 10TB), SATA3.0 SSD x 1 (File System-NTFS, Supported capacity- up to 4TB), Network Support Protocol-SMB/FTP/WebDav|
|POWER||Input Voltage : AC100-120V,220-240V 50/60Hz, Input Power : 50W|
|REMOTE CONTROL FUNCTION||Remote Controller||Bluetooth Remote Controller|
|Remote App||ROSE Connect (Android, iOS, PC)|
|ACCESSORY||Power Cord x 1, Bluetooth Remote Controller x 1(AAA Battery x 2), Manual x 1, SSD Screw x 4|