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Description
RS250A
RS250A is a Media Center and Music Server designed as a versatile digital source, Audio/Video player based on the reference SABER ES9028PRO DAC capable of playing pcm extension until 32bit/768kHz , Native DSD512 (22.5792Mhz) And MQA (Master Quality Authenticated) .
The ROSE RS250A allows you to enjoy a total multimedia experience, thanks to the powerful 4K video processor on HDMI output as well as a beautiful 8.8" Wide color MultiTouch display.
The highest precision in music reproduction is guaranteed by the use of 100 MHz FEMTO clocks of the Ultra-Low Phase Noise OSC type which reduces jitter to unmeasurable levels and ensures absolute reference audio performance.
The RS250A represents the optimal digital audio source to be inserted in a HiFi system existing .
Reference DAC section with ESS SABER 9028PRO
OVERVIEW:
Characteristics
ROSE RS250A
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Qobuz Studio (up to 24bit/192kHz)
Tidal (HiFi and MQA)
Spotify Connect
Apple Music
Bugs
RoseTube
Rose PodCast
Internet radio
FM Internet Radio
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Video Services
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Tidal Video
Bugs Videos
RoseTube (supports up to 4K UHD 60p)
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Streaming Protocols
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Bluetooth A2DP Sink
Airplays
DLNA extension
Roon Ready
Spotify Connect
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CD playback
Ripping CDs
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Support for CD playback and CD-Ripping via an external USB DVD-RW burner (optional)
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Internet radio
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Thousands of internet radio stations
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Network Services
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Software Update
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Firmware updates via OTA, USB Storage, Rose Store
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USB audio input
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USB Audio Class 2.0 compatible, with USB Audio IN support (Windows PC-ASIO drive / MAC PC-Core Audio / Linux PC-ALSA drive supported)
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USB audio output
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Compatible with USB Audio Class 2.0 standard It allows the connection of numerous DAC models via USB Audio. |
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Hi-Res Audio
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It supports high-quality audio formats (24~32bit/48~768kHz) thanks to JAS Hi-Res Audio certification.
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MQA extension
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MQA Full Decoder
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Audio Codecs Supported
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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)
DSD256(11.2MHz)
DSD512(22.4MHz)
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Video Codecs Supported
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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
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Storage (archiving)
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Internal SATA SSD mounting slot up to 4TB
USB 3.0 for connecting external hard drives up to 10TB or USB sticks
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Setup Wizard
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Simplified installation wizard for the first start
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Remote Debugging
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Remote support function through debugging
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Native app
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Proprietary RoseConnect Premium app for numerous platforms (Android, iOS, Windows)
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Technical specifications
ROSE RS250A
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ROSE OS 4.2 - Custom Android 7.1 (Nougat).
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Design
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Dimensions
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278x231x83mm
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Weight
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3.2Kg
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Finish
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High quality anodized aluminum for the front and top panel (one block single frame)
Available in Silver or Black finish
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Screen
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CPUs
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Hexacore
Dual Core Cortex-A72 up to 1.8Ghz
Quad Core Cortex-A53 up to 1.4Ghz
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GPUs
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Mali-T864 GPU, OpoenGL ES 1.1/2.0/3.0/3.1, OpenVG1.1, OpenCL, DX11
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Memory
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LPDDR4 4GBytes
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Pre Out
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DAC Chips
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Saber ES9028PRO (ESS) x1 (8-Channel Audio DAC)
Oscillator: Femto 100MHz Ultra-Low Phase Noise OSC
OP AMP: HiFi Rose Discrete OP AMP
Single OP AMPs x 10 Output Level: Max 2.25 Vrms, Unbalanced
THD: 0.00028% (1kHz 2.25Vrms unbalanced)
THD + N: 0.0003% (1kHz 2.25Vrms unbalanced)
IMD: -102dB (SMPTE 4:1, 60Hz:7KHz)
SNR: 122dB (A-wt)
Dynamic Range: Max 135 dB (CCITT filter)
Crosstalk: > -137dB, 20~20kHz
Frequency Response: 17Hz to 80,000 (+/-0.5dB)
Output Impedance: 150 ?
Input Impedance: 100K ?
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Wired & Wireless Network
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Network Interfaces
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10/100/1000BASE-T Gigabit Ethernet
WiFi (802.11 b/g/n/a/ac) 2.4Ghz/5Ghz Dual Band
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Bluetooth
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Bluetooth 4.0 (AD2DP SINK, AVRCP v1.3)
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Streaming
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Airplay / DLNA / DIAL Service
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Inputs / Outputs
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Audio inputs
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RCA analog line input Digital Toslink Optical Input Digital coaxial input USB Audio IN |
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Audio outputs
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Headphone Output : Connection for 3.5mm headphone jack (1Vrms)
Pre-amp output : Connection for a power amplifier or integrated amplifier (2.3Vrms)
Optical Output : S / PDIF Toslink
Coaxial output : Coax 75 Ohms
USB Audio Out (for connecting external DACs)
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Video Outputs
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HDMI 2.0 connection for TVs and projectors
HDMI Passthrough functionality to be able to send the multi-channel audio signal to an external DTS / Dolby receiver for appropriate decoding.
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Linkable Resources
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USB 3.0 x 2 (File system - NTFS/FAT32, supported capacity up to 10TB)
SATA SSD x 1 (File system -NTFS, supported capacity up to 4TB)
Supported network protocols: SMB, FTP, WebDav
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Supported CODECs
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Audio codecs
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WAV, FLAC, WMA, MP3, APE, DFF, DSF, AAC, CDA, AMR, APE, EC3, E-EC3, MID, MPL, MP2, MPC, MPGA, M4A, AIFF, ALAC, ISO SACD
PCM :
8KHz~768KHz(8/16/24/32bit per Sample)
Native DSD :
DSD64(2.8MHz)
DSD128(5.6MHz)
DSD256(11.2MHz)
DSD512(22.4MHz)
Native MQA Certified:
Full Unfold MQA
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Video codecs
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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
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Diet
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Entrance
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AC input 220-240V, 50-60Hz.
Input power: 50W
Standby power consumption <0.5W
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Updates
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Firmware updates automatic via internet, or manual via USB (recommended)
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Online Streaming Services
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Audio / Video
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YouTube (RoseTube)
Podcasts
Internet radio
Tidal HiFi and Tidal MQA Master
Spotify Connect
Qobuz Studio (up to 24bit/192kHz)
Apple Music
Roon Ready Certified
Bugs
VLC extension
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Control Systems
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Remote control
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Bluetooth remote control included
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Native app
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Rose Connect Premium HiFi for Android or iOS Smartphones and Tablets, Windows PC and MacOS
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Endowment
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Power cord x 1
Quick Start Guide x 1
Bluetooth remote control x 1
Batteries (AAA) x 2
SSD fixing screws x4
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| FLAC | Yes |
| DLNA-DMR | Yes |
| DLNA-DMS | Yes |
| DSD extension | Yes |
| USB Hosts | Yes |
| Native app | Yes |
| Hi-Res HD Audio | Yes |
| Qobuz | Yes |
| Saber 32 | Yes |
| Spotify | Yes |
| Tidal | Yes |
| UPnP | Yes |
| MQA extension | Yes |
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