Sonos Amp Multi

The Sonos Amp Multi is a professional-grade, multi-channel streaming amplifier designed for large-scale and custom-installed audio systems. Built specifically for integrators and whole-home setups, it delivers powerful, flexible amplification across multiple zones—making it ideal for architectural speakers and distributed audio environments.

With 8 channels delivering 125W each and support for up to 4 independent zones, it allows complete control over different areas of a home—such as living room, kitchen, and outdoor spaces—all from the Sonos app.

Unlike traditional amplifiers, the Amp Multi combines streaming, amplification, and multiroom control in one unit, integrating seamlessly into the Sonos ecosystem with WiFi, AirPlay 2, and app-based control. Its rack-mountable, fanless design and advanced GaN amplification technology ensure efficient, quiet, and reliable performance in professional installations. 

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The Sonos Amp Multi is a professional-grade multi-zone streaming amplifier designed for sophisticated residential audio installations. With eight amplified outputs delivering 125 watts per channel, it can power up to four configurable zones while giving installers extensive flexibility over how speakers and audio sources are assigned throughout a home.

Built around Class-D amplification with GaN technology and post-filter feedback (PFFB), Amp Multi combines high power, efficiency, and low distortion in a compact chassis. Its eight outputs can be independently configured for stereo or mono, making it possible to create customized audio systems for different rooms and listening areas without requiring a separate amplifier for every zone.

ProTune provides detailed control over each output, including a 10-band parametric EQ, adjustable gain, frequency, Q, delay, and high-pass filtering. Amp Multi also supports Sonos Architectural speaker optimization, allowing compatible Sonos Architectural speakers to receive custom DSP tuning for a more balanced and precise presentation.

Designed specifically for professional installation, Amp Multi supports Wi-Fi 6, Ethernet, Apple AirPlay 2, Spotify Direct Control, analog RCA inputs, and USB-C audio with the optional Line-In Adapter. Its fanless design and optional 2U rack-mount configuration simplify installation while keeping the system quiet, compact, and easy to manage through the Sonos app.

  • Product type: Multi-zone streaming amplifier

  • Amplified outputs: 8, independently configurable for stereo or mono

  • Zones: Up to 4 configurable zones

  • Power output: 125 W per channel @ 8 ohms, all channels driven

  • Amplifier technology: Class D with GaN and PFFB

  • Minimum impedance: 2.67 ohms with Sonos Architectural speakers

  • Frequency response: ±0.5 dB, 15 Hz–20 kHz

  • ProTune: 10-band parametric EQ, adjustable gain, Q, frequency, delay, and high-pass filter

  • Subwoofer connections: 1 × RCA output and up to 1 Sonos Sub per zone

  • Analog inputs: 2 × RCA

  • USB-C audio input: 44.1 kHz / 16-bit, requires Sonos Line-In Adapter

  • Wireless connectivity: Wi-Fi 6, 2.4 GHz / 5 GHz

  • Wired connectivity: 100BaseTX Ethernet RJ45

  • Streaming: Apple AirPlay 2, Spotify Direct Control, and more

  • Rack mounting: 2U rack-mount compatible

  • Cooling: Fanless

  • Dimensions: 64.5 × 436.8 × 265.2 mm

  • Dimensions with rack mount: 82.3 × 483 × 265.2 mm

  • Weight: 5.06 kg

  • Finish: Matte Black

  • Power consumption: 5.4 W idle; 180 W with all channels driven at 1/8 output power