Roksan Attessa INT Bluos silver

All the power of the integrated amplifier, with all the control of BluOS multi-room audio technology. The Attessa streaming amplifier allows you to easily access all your devices with a simple press, from TVs to turntables, consoles to CD transports. Better yet, it delivers high-end audio capabilities with the kind of simple, smartphone-based control we’ve come to expect in every area of our lives. The technology is complex, but using it couldn’t be simpler. So now, you can have high-resolution sound in every room of your home, all at the touch of a button.

Premium BluOS Multi-Room Audio Technology

The premium BluOS multi-room audio technology built into the Attessa streaming amplifier supports over 20 streaming services and can stream to up to 64 zones, all controllable via your smartphone.

Technical Specifications

Main Features

• Stereo amplifier delivering 130 W per channel (4 Ω)
• High-performance built-in digital-to-analog converter (DAC) developed in-house
• Music streaming via BluOS multi-room audio technology
• Three customizable BluOS presets
• Robust steel and aluminum construction with no visible antennas

Audio Performance

• Output power (THD+N < 1%)
  • At 8 Ω: 80 W RMS per channel, both channels driven
  • At 4 Ω: 130 W RMS per channel, both channels driven
• THD+N: < 0.02% (1 kHz, 2 channels, 1 W at 8 Ω, A-weighted)
• Amplification type: Class AB
• Gain: 29 dB
• Channel matching: < 0.5 dB
• Signal-to-noise ratio: > 80 dBA at 1 W / 8 Ω, > 98 dBA at 75 W / 8 Ω
• Channel separation: > 75 dB at 10 kHz
• Frequency response: 5 Hz to 50 kHz (-3 dB)
• Power transformer: 400 VA

Built-in Digital-to-Analog Converter

• Supported formats: PCM
• Sampling rate: up to 192 kHz / 24-bit
• THD+N: 0.001% (1 kHz, 2 V RMS at preamp output)
• Signal-to-noise ratio: 106 dB (A-weighted)

BluOS Features

• Standard audio formats: MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS
• High-resolution audio formats: MQA, FLAC, WAV, AIFF, DSD playback via conversion through BluOS Desktop app only
• Sampling rate: up to 192 kHz / 32-bit

Compatible Streaming Services

Amazon Alexa, Amazon Music, Spotify Connect, TIDAL Connect, Deezer, Qobuz, HDTracks, HighResAudio, Murfie, JUKE, Napster, Slacker Radio, KKBox, Bugs

Bluetooth

• Profile: A2DP
• Codecs: SBC, aptX, AAC
• Range: 15 m (typical, line of sight)

Connectivity

• Analog inputs: 2 stereo RCA line inputs, 1 MM phono input
• Digital inputs: 2 optical (up to 96 kHz / 24-bit PCM), 2 coaxial (up to 192 kHz / 24-bit PCM)
• USB and network ports: 2 USB-A ports, 1 RJ45 Ethernet port
• Outputs: 1 preamp output, 1 front headphone output, speaker terminals
• Other: 1 BluOS service port, 1 12 V trigger input/output, 1 IR input

Physical Specifications

• Dimensions (W × H × D): 432 × 76 × 373 mm
• Weight: 10.48 kg