Sonos Amp 2.1-Channel 250W Power Amplifier (Black)


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Packaging Info

Package Weight 6.7 lb
Box Dimensions (LxWxH) 13.2 x 11.45 x 4.8"


Speaker Connectors 2 x Banana Plug-Compatible Binding Post Pairs
Wi-Fi Compatibility Wi-Fi 4 (802.11b/g/n)
Inputs 1 x HDMI ARC
1 x Stereo RCA Pair
Output 1 x RCA Subwoofer Pre-Out
Other Connectors 2 x RJ45 Ethernet LAN


Frequency Response Not Specified by Manufacturer
Crossover For Connected Subwoofer: 50 to 110 Hz
Number of Channels 2.1
Power Rating 2 x 125 W @ 8 Ohms
Amplifier Type Class-D

Additional Specifications

Weight 4.6 lb / 2.1 kg
System Requirements Passive Speakers with Speaker Wire Inputs
Broadband Internet
Sonos App Installed on a Compatible Device
Power Requirements 100 to 240 VAC, 50/60 Hz
Dimensions (W x H x D) 8.54 x 2.52 x 8.54" / 217 x 64 x 217 mm
Expert Reviews
5 December 2018

As long as you take care during setup, the Sonos Amp offers enthusiasts a powerful blank slate to build a compact, high-performance audio system.

  • +

    The compact Sonos Amp delivers the company's class-leading multiroom audio to speakers of your choice. The system offers more flexibility other Sonos systems. It's compatible with a wide range of streaming protocols and Alexa's voice assistant.

  • -

    Numerous well-featured amps and receivers are available for less money. The Sonos Amp sounds too bright in its default mode and doesn't offer a calibration routine. The EQ settings needed to fix it are located deep within a nested menu system.

Lb tech reviews.35189534
14 February 2019

Sonos Amp is powerful enough to power proper speakers with conviction. And of course with full multi-room function.

  • +

    Amp is very user-friendly and supports most power services. It has HDMI input, and the sound is finally powerful enough to drive quite proper speakers.

  • -

    There is still a bit to go on when we talk dynamics and raw power. High definition sound is not supported, and why does TruePlay room correction not work with all speakers?

Trusted reviews.33834858
25 September 2020

Replacing the old Connect:Amp, the new Sonos Amp is the more powerful product, but it’s smaller and neater than the original. Housed inside a small, black cuboid box (64 x 217 x 217mm), the Sonos Amp blends into its surroundings.

  • +

    Flexible choice of speakers, Powerful and rich audio, Works well with vinyl, Decent TV audio

  • -

    Expensive, No Trueplay with most speaker choices

Hardware zone.35181388
8 December 2019

As much as Sonos is a company that sells audio solutions, they’ve mostly stopped short of marketing themselves as selling to the audiophile. Instead, we’d argue that the real value that the Sonos brand and its offerings bring to the table is flexibility .

User Reviews
25 June 2021

I replaced a connect:amp with the S2 compatible Amp so that I could use the S2 app. I have 10 Sonos components and attempted the install of Amp by following Sonos online support, but I was not successful. I called tech support and the most patient.

  • +

    Superior Sound

  • -

    Difficult Setup

Abt electronics.32817785
6 June 2020

Was using an old Onkyo AV receiver with a Sonos connect for my turntable and a pair of floor speakers. When the Onkyo receiver broke down, replaced it with the Sonos Amp. Sound with the Sonos Amp is better than it was with the Onkyo, but it doesn't get quite as loud.

World wide stereo.35175196
28 August 2021

Purchased two Sonos amps fpr our in ceiling speakers....they work great and add easy access to two more rooms in our house using apps on our phone to play music. Setup was easy and seamless.

24 January 2022

I tried a few cheaper Bluetooth options to power my ceiling speakers but kept having issues. I was hesitant to go with the Sonos Amp due to the price but I finally decided to take the plunge. I was pleasantly surprised at how easily it was to connect and integrate all of my streaming services.

  • +

    Easy to Set Up, Streams All My Music, and More, Superior Sound

  • -


World wide stereo.35175196
17 March 2020

A bit pricey (SONOS needs to think about trying to lower the price)... but it does the trick. We had some ceiling speakers (not SONOS) that we didn't want to remove from the ceiling. Using this amp powered up the speakers and allows us to use them with the SONOS system.

Abt electronics.32817785
27 July 2020

Works flawlessly and seamless install. Was able to successfully mount to the back of my TV for an outdoor pair of speakers in a space limited environment.,

7 July 2021

Using the amp with bundled Sonance garden speakers. Everything sounds amazing but the Sonos app leaves room for improvement. Sonos was also slow to fix an update that rendered the amp useless for far to long. Could not access it at all requiring multiple reset attempts.

  • +

    Easy to Set Up, Streams All My Music, and More, Superior Sound, Wireless

  • -


World wide stereo.35175196
28 December 2020

Easy to install and set up. Worked right out of the box with my pre-installed wired in home speakers. Now I just need 7 more for the other zones in my house.

Product Highlights
  • 2.1-Channel Amplifier Configuration
  • 125W per Channel Power Output
  • Class-D Amplification
  • Stereo RCA & HDMI ARC Inputs
  • Wi-Fi 4 (802.11b/g/n) and Ethernet
  • Banana Plug-Compatible Binding Posts
  • Convection Cooling
Average Expert Score
Average User Score
In The Box
  • Sonos Amp 2.1-Channel 250W Power Amplifier (Black)
  • Banana Plugs
  • AC Power Cord
  • Limited 1-Year Warranty
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