Sonos AMPLTIUS1BLK Amp Multi - Black
- Up to 4 zones
- 8 x 125W per output at 8Ω
- GaN-powered with PFFB technology
Overview
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.
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.
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. Advanced GaN technology, Class D amplification, and post-filter feedback (PFFB) deliver exceptional audio quality with high efficiency. Its textured, thermally-optimized chassis enhances performance and durability all within a compact design built for the rack.
Features
- Up to 4 zones
- 8 x 125W per output at 8Ω
- GaN-powered with PFFB technology
- Convection cooled
- ProTune manual EQ, delay, and gain
- 2U Rack Mount (sold separately)
- Ethernet and WiFi 6 connectivity
- Supports Apple AirPlay 2 & Spotify Connect
Specifications
| Speaker Outputs | 8 amplified outputs each independently configurable for stereo or mono |
| FTC Power Output Rating | 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 |
| Power Consumption | 5.4 W (idle) 180 W (all channels driven at 1/8 output power, 8 Ohms) |
| Power | Auto-switching 100-240V 50/60Hz 10A AC universal input |
| Wired Networking Interface | 100BaseTX, Ethernet RJ45 |
| Wireless Networking Interface | Compatible with WiFi 6. Connect to Wi-Fi with any 802.11a/b/g/n/ac/ax 2.4 GHz/5 GHz broadcast-capable router. |
| Analog Audio Input | 2 x RCA inputs -10dB (stereo into one zone) |
| USB-C Analog Audio Input | 44.1 kHz / 16 bit (stereo into any zone) Requires Sonos Line-In Adapter |
| Subwoofer Connections | 1 x RCA output -10dB (configurable to output from one zone), and 1x Sonos Sub per zone |
| Direct Streaming Formats | Apple AirPlay 2, Spotify Direct Control, and more. |
| CPU | Quad Core 4xA55 1.9GHz |
| 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) |