Hifi Rose RS451 Network Streamer

General

• Brand: HiFi ROSE

• Model: RS451

• Product type: Network streamer, DAC and headphone amplifier

• Operating system: ROSE OS

• Processor: RK3588 octa-core

• Working memory: 8 GB LPDDR4 ABS

• Internal memory: 32 GB eMMC

• Display: 8.8 inch IPS LCD touchscreen

• Housing: aluminum, steel and ABS

• Power supply: linear power supply with toroidal transformer

• Dimensions (w × h × d): 430 × 92 × 337 mm

• Weight: approximately 7 kg

• Colors: black and silver

DAC en audio

• DACchips: 2 × ESS SABER ES9027PRO

• Maximum PCM resolution: 32-bit/768 kHz

• DSD: up to DSD512

• Dynamic range: up to 130 dB

• THD+N: approximately 0.0003%, depending on measuring conditions and output

• Frequency range: 10 Hz – 80 kHz (±1 dB)

• Analog output: balanced XLR and unbalanced RCA

• Output level: maximum 10 Vrms via XLR and 5 Vrms via RCA

• Function: variable preamp output

Headphone amplifier

• 4-pin unbalanced

• 4.4mm: Balanced

• 6.35mm: unbalanced

• Maximum output power: up to 2.7 W, depending on connection and impedance

Digital inputs

• USB-B 2.0

• Optical digital

• Coaxial digital

• HDMI eARC

Digital Outputs

• USB-A 3.0

• Optical Digital

• Coaxial Digital

• HDMI 2.0 output with 4K UHD up to 60 Hz

Analog connections

• RCA line input

• RCA preamp output

• Balanced XLR preamp output

Network and streaming

• Gigabit Ethernet (10/100/1000 Base-T)

• Wifi via suitable USB dongle

• Bluetooth 5.4 with aptX support

• AirPlay

• Spotify Connect

• Roon Ready

• DLNA/UPnP

• Support for TIDAL, Qobuz and Apple Music, among others

• USB storage and internal 2.5 inch SATA SSD

Supported audio formats

• PCM up to 32-bit/768 kHz

• Native DSD512

• Support for common formats such as FLAC, WAV, AIFF and ALAC

Power consumption

• Standby: approximately 0.5 W

• On without active playback: approximately 5 W

• During playback: approximately 20 W