Sonos Amp Multi Amplifier - AMLTIUS1BLK

Sonos AMLTIUS1BLK Amp Multi Amplifier

Built for Professional Audio Installations
The Sonos Amp Multi Amplifier is precision-built for professionals who need a powerful, flexible multi-zone amplifier for streamlined audio installation. Designed from the ground up for demanding workflows, it delivers the performance and control needed to create bespoke sound experiences in homes, commercial spaces, and custom AV projects. With support for up to four independent zones and eight assignable outputs, this multi-channel amplifier adapts to a wide range of room layouts, speaker counts, and wiring requirements.

Power, Control, and Flexibility
With 125 watts per channel into 8 ohms, Sonos Amp Multi powers high-performance passive speakers across up to four stereo zones with consistent output. Advanced GaN technology, Class D amplification, and post-filter feedback help deliver exceptional sound quality with efficient operation, while the thermally optimized chassis supports dependable performance. In the Sonos app, installers can manage zones, sources, and output assignments with familiar, intuitive controls, stream up to four audio sources simultaneously, and fine-tune each zone for a refined listening experience.

Smarter Setup and Rack-Friendly Design
Sonos Amp Multi is made to simplify installation from start to finish. Real-time LED feedback, speaker detection, audible setup chirps, and ambient light-adaptive indicators make configuration and troubleshooting easier in any environment. The optional 2U Rack Mount helps create a clean, organized installation with improved airflow and cable management, while the 1.5U height and full rack width save valuable space. With flexible Ethernet or WiFi 6 connectivity, RCA and USB-C input support, and compatibility with Sonos subwoofers for added bass, this rack amplifier brings professional-grade versatility to modern multi-room systems.

Features

• Multi-zone capability
  Power up to four independent zones with eight assignable outputs. Each output can be freely configured to suit room layouts, speaker counts, and wiring needs.
• Powerful and flexible
  With 125 watts per channel into 8 ohms, Amp Multi powers high-performance passive speakers up to four stereo zones. This means four times the coverage compared to Amp, with consistent output even under complex loads.
• Innovation from the inside and out
  Advanced GaN technology, Class D amplification, and post-filter feedback (PFFB) deliver exceptional audio quality with high efficiency. All this power is housed in a thermally optimized chassis that enhances performance and durability.
• Smart outputs
  Configure multiple zones with assignable outputs and real-time LED feedback. Amp Multi detects when a speaker is connected and displays clear status indicators to simplify setup and troubleshooting.
• Manually tune each output
  With ProTune, you can optimize the sound for the placement and room acoustics of any low-impedance passive speakers. This feature offers a comprehensive set of manual controls, including a 10-band parametric EQ and adjustable gain and delay offsets.
• Ready to rack
  The optional 2U Rack Mount streamlines installations by minimizing wasted space, optimizing airflow, and supporting clean cable management. Secure Amp Multi with just eight screws—it's all satisfyingly simple.
• Easy app control
  Manage zones, sources, and output assignments all within the Sonos app. Stream up to four audio sources simultaneously and control each zone independently, providing the familiar, intuitive experience you know and love from Sonos.
• Efficient Class D amplification
  Class D technology delivers high power with maximum efficiency, reducing energy consumption and minimizing heat buildup. The result is a more reliable, sustainable amplifier that performs consistently across demanding installations.
• Seamless setup
  An audible chirp identifies each unit in the Sonos app—no PIN required. Front and rear LEDs indicate setup mode for a faster, more intuitive configuration.
• Intelligent indicators
  Front and rear LEDs deliver clear status updates and real-time feedback during setup and troubleshooting. Outputs automatically detect connected speakers, while an ambient light sensor adapts LED brightness to the environment, enabling quick, accurate diagnostics in any space.
• 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.
• Bass options for every zone
  Connect one Sonos subwoofer per zone for deeper, more powerful bass. Supports Sub 4, Sub (Gen 3), and Sub Mini, with the option to connect a third-party active subwoofer.
• 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.
• Built-in overdrive protection
  Advanced overdrive protection safeguards the system from overheating or failure, ensuring reliable performance even when powering up to three passive Sonos speakers per channel.
• Power more speakers
  Select the feature Optimize Sonos Speakers in the Sonos app to unlock the ability to power up to three Sonos Architectural speakers per output (24 total). The custom DSP optimizes the EQ, while limiter control enables even and consistent volume dynamics throughout the frequency range.
• Space-saving design
  With a 1.5U height and full rack width, Amp Multi delivers the power of four amps in about 70% of the space. Its compact size makes installation simple, fitting easily into most standard rack systems.
• Flexible network connectivity
  Connect using wired Ethernet or WiFi 6 with auto-optimizing antennas for a strong, reliable connection. Multiple network options give you flexibility in setup and ensure stable performance in any environment.
• More ways to play
  RCA and USB-C¹ inputs let you connect additional audio sources with ease, offering listeners more ways to listen to all the content they love.
  • ¹Requires the Sonos Line In Adapter.
• Responsible by design
  As part of our commitment to sustainability, Amp Multi is made with recycled materials, energy-efficient technology, and a serviceable construction designed for long-term use.
• Creating products that last
  Amp Multi is engineered for long-term reliability, with an architecture that uses screws instead of adhesives for easier service access. This design extends the product’s lifespan and helps minimize its environmental impact over time.