Sonos Amp Multi | 8-Channel Multi-Zone Amplifier

Professional Multi-Zone Audio Sonos Amp Multi 8-channel GaN Class D amplifier. 4 independent zones. One sleek, rack-mountable unit built for whole-home and commercial audio. 8×125W Power Output 4 Independent Zones 114dB Signal-to-Noise 0.005% THD Unmatched Multi-Zone Flexibility Each of the eight amplified outputs can be independently assigned to any zone, giving you complete freedom in system design. Power a luxury residence, boutique hotel, restaurant, or office space — the Amp Multi adapts to your exact requirements. Connect up to 24 Sonos Architectural speakers (three per output) with custom DSP and limiter control for consistent volume dynamics throughout every room. Every Connection You Need A comprehensive rear panel designed for professional installations with zero compromise. ✓ 8 amplified speaker outputs — independently configurable ✓ 2× RCA stereo inputs — turntables, TVs, external sources ✓ USB-C audio input — via Sonos Line-In Adapter ✓ RCA subwoofer output — configurable to any zone ✓ WiFi 6 & Ethernet — dual connectivity ✓ AirPlay 2 & Spotify Direct Control Audiophile-Grade GaN Class D Amplification Gallium Nitride transistors paired with Post-Filter Feedback technology deliver studio-calibre sound with vanishingly low distortion and exceptional efficiency. 0.005% Total Harmonic Distortion >400 Damping Factor 15–20kHz Frequency Response ProTune Audio Control Fine-tune every single output with professional-grade tools. The built-in 10-band parametric EQ lets you sculpt frequency response with precision, while adjustable gain and delay offsets ensure perfectly synchronised audio throughout your space. Highpass filtering from 15–100 Hz keeps bass tight and controlled, even in acoustically challenging environments. Built for the Rack The 2U rack-mountable design slots seamlessly into any AV cabinet or server room. Fanless operation means zero acoustic interference — just silent, reliable performance with a thermally-optimised chassis that stays cool under load. Technical Specifications Amplifier Channels 8 × 125W Independent Zones Up to 4 Amplifier Technology Class D with GaN & PFFB Total Harmonic Distortion 0.005% Signal-to-Noise Ratio 114dB (ref 125W into 8Ω) Damping Factor >400 (ref 8Ω, 20 Hz – 1 kHz) Frequency Response ±0.5 dB, 15 Hz – 20 kHz Min. Impedance 2.67Ω (with Sonos Architectural speakers) WiFi WiFi 6 (802.11a/b/g/n/ac/ax, 2.4 & 5 GHz) Ethernet 100BaseTX RJ45 Audio Inputs 2× RCA (-10dB stereo), 1× USB-C (via adapter) Audio Outputs 8× amplified speaker, 1× RCA sub, Sonos Sub per zone Streaming Apple AirPlay 2, Spotify Direct Control Dimensions (H × W × D) 64.5 × 436.8 × 265.2 mm With 2U Rack Mount 88.1 × 482.9 mm (H × W) Weight 5.06 kg Power Input 100–240V, 50/60Hz, 10A AC (auto-switching) Power Consumption 5.4W idle / 180W all channels (1/8 output, 8Ω) Colour / Finish Black (Matte) Sustainability 47% recycled plastic, FSC-certified packaging What's in the Box Sonos Amp Multi Power Cable 2 m / 6 ft 8× Banana Plugs Quick Start Guide & Warranty Docs