Attessa Streaming Amplifier

The Attessa Streaming Amplifier unleashes the power of BluOS, premium multi-room high-resolution wireless streaming, coupled with powerful amplification. Plus, the Attessa Streaming Amplifier provides users with one-touch access to great sound from all their devices, from TVs to turntables, games consoles to CD transports. The built-in high-performance DAC and the intuitive one-touch dial control make it a breeze to use, whether you're connecting your Hi-Fi, TV, games console, or even streaming directly from your phone.

Superior Sound Quality

The integrated high-performance DAC, developed in-house, guarantees pristine audio conversion, ensuring every detail of your music is accurately reproduced for an exceptional listening experience.

User-Friendly Interface

The one-touch dial control is designed for simplicity and ease of use. With haptic feedback and a graphical interface, selecting the volume or source is straightforward and responsive.

Versatile Connectivity

With a variety of digital and analogue connections, including Bluetooth®, you can easily connect your Hi-Fi, TV, games console, phone, and more. Stream services from your smart device effortlessly via the custom long-range Bluetooth antenna.

Turntable Ready

The built-in phono stage allows you to connect a turntable directly without needing additional boxes or accessories, making it easier to enjoy your vinyl collection with high-quality sound.

Powerful Amplification

Delivering a robust 130W per channel, this amplifier ensures your speakers perform at their best, providing clear, powerful sound whether you're listening to music, watching TV, or gaming.

MaestroUnite App Compatibility

The MaestroUnite app enables quick and simple over-the-air updates and device pairing, ensuring your system is always up-to-date and operating seamlessly. It combines your devices into a unified Roksan system, enhancing usability and convenience.

Specifications

Power Output

Into 8 Ω: 80 W Both Channels Driven, Nominal (THD+N <0.1%)

Into 4 Ω: 130 W Both Channels Driven, Nominal (THD+N <0.1%)

Digital Inputs

D1 (Coax SPDIF): Up to 192kHz / 24-bit

D2 (Optical SPDIF): Up to 96kHz / 24-bit

D3 (TV Optical SPDIF): Up to 96kHz / 24-bit

D4 (CD Coax SPDIF): Up to 192kHz / 24-bit

D5 (Bluetooth): 48kHz / 16-bit

Analogue Inputs

A1: Variable input (no signal sense)

A2: Fixed input (with signal sense, used for AV Mode)

MM Phono Input: RIAA equalised

Outputs

1 × Pair of speaker binding posts (L & R)

1 × Pair of RCA analogue (Pre-out / Subwoofer)

1 × 3.5 mm stereo mini-jack headphone socket — 7.5 Vrms suitable for high‑impedance headphones

Construction

Formed plated steel chassis with bespoke machined anodised aluminium front panel

User Interface

Primary (on unit): Dynamic control dial with haptic feedback to control volume and inputs

Secondary (on unit): Standby, Backward, Play/Pause, Forward

Other Interface: IR remote control included

Bluetooth

A2DP Audio profile

Codecs: SBC, aptX & AAC

Range: ~15 m (typical)

Streaming / Audio

Streaming Platform: BluOS

Audio Formats: MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS

Hi-Res Audio Formats: MQA, FLAC, WAV, AIFF; supports converted DSD playback via BluOS desktop app

Sampling Rate: Up to 24-bit / 192 kHz

Supported OS (Minimum Spec): Windows 7 SP1, macOS 10.9 Mavericks, iOS 9.3, Android 5.0 or above

Cloud / Internet Services

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

Free Internet Radio: TuneIn Radio, iHeartRadio, Calm Radio, Radio Paradise

Control Integrations

Crestron, Control4 (OS 3 / 2.9.1), RTI, URC, Push, Lutron, ELAN, iPort

Other Features

MaestroUnite system creation & control

Advanced system settings

Over-the-Air firmware updates via Wi-Fi

Mains / Power

Transformer Rating: 400 VA

IEC mains power socket (3-pin) / Fuse holder

3.5 mm mini-jack 12 V trigger input (On / Standby)

IR wired input (3.5 mm jack)

Dimensions & Weight

Dimensions (HxWxD): 76 × 432 × 349 mm (2 63/64 × 17 1/64 × 13 3/4”)

Net Weight: 10.48 kg (23 lb)