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SONOS MULTI AMP
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SKU
SONOAMPMULTI
SONOS MULTI AMP
SONOS MULTI AMP 4 Channel Amplifier
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 optimise 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.
Innovation from the inside and out
Advanced GaN technology, Class D amplification, and post-filter feedback (PFFB) deliver exceptional audio quality with high efficiency. Its textured, thermally-optimised chassis enhances performance and durability all within a compact design built for the rack.
Ready to rack
Designed specifically for Amp Multi, the 2U Rack Mount streamlines installations by reducing wasted space, maximising airflow, and keeping cable management clean.
Built to breathe
The Rack Mount creates space above and below each unit to support airflow in a clean, 2U configuration.
Streamlined installation
With its flat back design, Amp Multi slides easily onto the Rack Mount. Installation is satisfyingly simple.
Space-saving design
Amp Multi eliminates the need for vent panels between rack units and reduces the number of screws required for installation—saving time, rack space, and hardware.
Looks right at home
Whether on a shelf, credenza, or mounted to the wall, Amp Multi’s compact design and refined finish make it an elegant addition to any space. It looks just as polished in plain sight as it does tucked into a rack.
Works with your devices
Partner integrations offer seamless control of your Sonos system alongside all your compatible smart home devices.
Responsible by design
From major technological innovations to thoughtful details, Amp Multi is engineered with sustainability at every level.
Recycled plastics
Amp Multi features 47% recycled plastic—helping reduce waste and give materials a second life.
Energy efficient
GaN technology helps Amp Multi consume less than 5.5W at idle to reduce heat and improve reliability, while software enhancements further reduce energy use during playback and standby.
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
Optimise Sonos Speakers:
When selected in the Sonos app, Optimise Sonos Speakers allows Amp Multi to recognise Sonos Architectural speakers, then applies custom tuning and DSP to provide more robust sound with a more even frequency response, optimising 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)
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