Description Sonos Amp Multi Built for professional installation, Amp Multi provides unmatched multi-zone flexibility with GaN and PFFB technology to completely redefine what an 8-channel amplifier can do. Amp Multi delivers 8 x 125W of power across up to four zones, leveraging advanced GaN technology and post-filter feedback (PFFB) for greater efficiency, clarity, and control. With ProTune, installers can optimize the sound for any low-impedance passive speakers, tailoring performance to placement and room acoustics. ProTune offers a full suite of manual controls, including a 10-band parametric EQ plus adjustable gain and delay offsets, enabling truly bespoke audio experiences. Its innovative chassis design enhances thermal performance, while recessed connectors, status LEDs, and a streamlined 2U rack mount simplify setup and ensure reliable, fanless cooling. Precision-built for professionals Backed by thousands of hours of research and engineering, Amp Multi was built from the ground up to streamline professional installation at every stage. It’s designed to support your workflows and help you deliver bespoke audio experiences with precision and efficiency. Multi-zone flexibility Each output can be assigned to any zone, giving you complete flexibility in system design. Users can easily change audio sources and content, ensuring a seamless, consistent experience. Tech Specs Speaker Outputs – 8 amplified outputs each independently configurable for stereo or mono Power – 125 W per channel @ 8Ω (all channels driven) Minimum Impedance – 2.67Ω with Sonos Architectural speakers Damping Factor – >400 (ref. 8 ohms, 20 Hz to 1 kHz) Amplifier Technology – Class D with GaN and PFFB Total Harmonic Distortion – 0.005% at 2.83Vrms-15Vrms Frequency Response – ±0.5 dB, 15 Hz – 20 kHz Channel Separation (Crosstalk) – -100dB at 1 kHz 2.83Vrms / -80dB at 10 kHz 2.83Vrms Signal-to-Noise Ratio – 114dB ref 125W into 8-Ohm ProTune 10-band parametric EQ with ±15dB gain, Q, and frequency control. Option for high-shelf, low-shelf, and bell filter types. Gain trim: -15 – 5 dB Delay: 0 – 50ms Highpass: 15-100Hz All available on per-channel basis Optimize Sonos Speakers When selected in the Sonos app, Optimize Sonos Speakers allows Amp Multi to recognize Sonos Architectural speakers, then applies custom tuning and DSP to provide more robust sound with a more even frequency response, optimizing system performance and ensuring stable operation. Dimensions (Single Unit) Height: 2.52 in (64.5 mm) Width: 17.2 in (436.8 mm) Depth: 10.44 in (265.2 mm) Dimensions (with 2U Rack Mount) Height: 3.47 in (82.3 mm) Width: 19.01 in (483 mm) Depth: 10.44 in (265.2 mm) Weight 11.16 lbs (5.06 kg)
