Succeeding the Connect:Amp after more than ten years of service means taking over a product that installers and multiroom enthusiasts have embraced without reservation since 2005. Sonos has rethought the formula from top to bottom: a completely new compact enclosure, more than double the power (125 W per channel versus 55 W previously), HDMI ARC input for the TV, and full network integration. The Amp is a class D stereo amplifier that turns any pair of passive speakers into a part of the Sonos ecosystem.
A square 21 cm format, designed to disappear
The Amp comes in the form of a matte black block measuring 217 x 217 x 64 mm and weighing 2.1 kg. It is noticeably more compact and lighter than most traditional integrated amplifiers. The enclosure fits into a standard audio rack (two Amps side by side in 2U, four in 3U), mounts on the wall with an optional bracket, or sits on a piece of furniture near the TV.
Thermal management relies on a passive heatsink integrated into the top cover, where a vented circle draws air in from the raised base and expels it through the top. No fan, therefore no mechanical noise. Sonos recommends keeping at least 7.5 cm of clearance around the device to ensure sufficient airflow.
On the front, three capacitive touch zones control volume, play/pause, and track skipping. An LED indicator provides information on the device’s status and mute state.
125 watts per channel in class D: enough to power floorstanding speakers
The class D amplification stage delivers 125 W per channel into 8 ohms (0.1% total harmonic distortion). The minimum accepted impedance is 4 ohms, which opens the door to use with two pairs of 8-ohm speakers wired in parallel (a common configuration in built-in or outdoor sound systems). Sonos recommends in this case speakers capable of handling at least 200 W into 4 ohms.
This power reserve puts the Amp at ease with both bookshelf speakers and floorstanding living-room speakers. The old Connect:Amp, limited to 55 W, required more caution when choosing speakers. Here, the headroom is comfortable for most home setups.
The built-in digital-to-analog converter directly processes digital streams coming from the network or the HDMI input, with no intermediate analog conversion. For analog sources (turntable with external phono preamp, CD player), the RCA input takes over.
Connectivity: the essentials, nothing more
The rear panel gets straight to the point. An HDMI ARC input connects the TV and retrieves the audio signal from programs, game consoles, or Blu-ray players connected to the TV. A stereo RCA input accommodates an analog source. An auto-detecting RCA subwoofer output features an adjustable crossover frequency between 50 and 110 Hz via the Sonos app.
The speaker terminals use proprietary Sonos banana plugs, supplied in pairs in the box. These are screw connectors compatible with standard speaker cable, which also accept standard-diameter banana plugs.
Two 10/100 Ethernet ports allow a wired connection to the home network. The second port can be used to connect another Sonos device in daisy chain. Wi-Fi operates on 802.11 b/g/n on the 2.4 GHz band. The absence of 5 GHz Wi-Fi is a known limitation, but Sonos has always prioritized the stability of the SonosNet network on 2.4 GHz, and the Ethernet connection remains available for environments where wireless is problematic.
One point to note: there is no Bluetooth. This is a deliberate choice by Sonos, which favors Wi-Fi for transmission quality and multiroom synchronization. An external Bluetooth receiver connected to the RCA input works around this limitation if needed.
From streaming to vinyl, all sources in one place
The Sonos app centralizes access to more than a hundred streaming services (Spotify, Apple Music, Deezer, Qobuz, Tidal, Amazon Music, TuneIn, among others). AirPlay 2 compatibility makes it possible to send sound directly from an iPhone, iPad, or Mac, and to use Siri for voice control. Voice control is also possible via a compatible Sonos device (Sonos One, Beam) paired with the system.
The analog RCA input connects a CD player, a turntable (provided it has a built-in or external phono preamp, since the Amp does not have one), or any other device with a line output. The HDMI ARC input, for its part, handles stereo PCM, Dolby Digital, and DTS for TV sound.
The Amp operates in stereo by default, with the option to switch to dual mono via the app, a useful option when two speakers cover distinct zones within the same space.
Multiroom, home theater, sound reinforcement: three roles in a single enclosure
The first use, the most straightforward, is as a connected hi-fi amplifier: a pair of passive speakers, the Amp, and access to the entire music library in streaming or locally. Setup is simple and the app guides installation step by step.
The second use is home theater. By connecting the TV via HDMI ARC and adding two wireless Sonos surround speakers (Sonos One, Era 100), you get a 4.0 or 4.1 system (with a Sonos Sub or a third-party subwoofer connected to the RCA output). This setup remains limited to stereo, Dolby Digital, and DTS processing: no Dolby Atmos and no multichannel decoding beyond 4.1. For a more ambitious home theater setup, a dedicated audio/video amplifier will be more suitable. But for a compact living-room setup, the result is coherent and the footprint minimal.
The third use, often overlooked, is sound reinforcement for commercial premises or outdoor spaces. The rack format, the ability to wire four speakers, and multiroom management via the app make the Amp a discreet sound system tool for a shop, restaurant, or terrace. Sonos also offers a range of built-in and outdoor speakers (Sonos Architectural by Sonance) optimized to work with the Amp, and which activate Trueplay acoustic tuning, unavailable with third-party speakers.
Audio settings and the Sonos app
The Sonos app manages all of the Amp’s settings: bass and treble adjustment, loudness activation or deactivation (enabled by default), subwoofer crossover frequency, and the choice of stereo or dual mono mode. Volume control is also accessible from the app, the device’s touch controls, AirPlay 2, or a compatible universal remote.
Adding rooms is gradual: each new Sonos product joins the existing network and can play the same source in sync or a different source depending on the room. The Amp integrates into this mesh just like a standalone Sonos speaker.
What the press says
Easy to set up and flexible to use, a configuration built around the Sonos Amp will undoubtedly prove convenient for everyday use. It's hard to do better on this point. If you already have passive speakers, the amp will be excellent for a home theater setup. But the device suffers from audio quality that is still a bit below what you would expect from a 700 euro product.
Automatically translated — Show original (French)
Facile à installer et souple à utiliser, une configuration faite autour du Sonos Amp s’avérera incontestablement pratique au quotidien. Difficile de faire mieux sur ce point. Si vous disposez déjà d’enceintes passives, l’ampli sera excellent pour une configuration home cinéma. Mais l’appareil souffre d’une qualité audio encore un peu en dessous de ce qu’on attend d’un produit à 700 euros.
The Sonos Amp is much more than a device for multi-room audio distribution. Of course, that's one of its primary qualities, but not the only one. It's also a complete connected integrated amplifier despite its rather streamlined design.
Automatically translated — Show original (French)
Le Sonos Amp est bien plus qu’un appareil pour la distribution audio multipièce. Bien sûr, c’est une de ses qualités premières, mais pas seulement. C’est aussi un amplificateur intégré connecté complet malgré son design plutôt épuré.
No. To connect a turntable, it must include its own phono preamp, or an external preamp must be inserted between the turntable and the Amp’s RCA input. Otherwise, the signal will be far too weak and lack the necessary RIAA equalization curve.
Can you connect four speakers to the Sonos Amp?
+
Yes, by wiring two 8-ohm speakers in parallel on each channel. The resulting impedance drops to 4 ohms per channel, which remains within the Amp’s operating limits. Sonos recommends in this case speakers capable of handling at least 200 W. Series wiring is not recommended because it degrades sound quality.
Does the Amp support Dolby Atmos?
+
No. The HDMI ARC input (and not eARC) limits audio formats to stereo PCM, Dolby Digital, and DTS. Dolby Atmos, which requires higher bandwidth, is not supported.
What is the difference between the Sonos Amp and the Sonos Port?
+
The Port is a network player without amplification: it delivers a line-level signal (analog or digital) to connect to an external amplifier. The Amp includes its own 125 W per channel amplification and directly powers passive speakers. The choice depends on the existing system: if you already own a quality amplifier, the Port is enough; if you are starting from scratch or want a compact system, the Amp is self-contained.
User reviews
Serhii
Good day everyone. Of all the mid-range segment devices that I personally listened to and tested on various acoustic systems, the Sonos amp has the best result from my point of view. And if you compare it with its competitors such as Wiim amp ultra, Denon amp home, Marantz m1, on my Krypton 10 speakers it has the best sound, without unnecessary audiophile spaciousness and with clear bass. And it deserves a solid five.
Comment from March 30, 2026 — Experience from March 13, 2026
Automatically translated — Show original (Ukrainian)
Доброго дня Всім. З усього середнього сегменту що я особисто сам слухав та перевіряв на різних акустичних системах, Sonos amp, має найкращий результат з моєї точки зору. І якщо його порівнювати з його з конкурентам такими як Wiim amp ultra, Denon amp home, Marantz m1, на моїх колонках Krypton 10 він має самий хороший звук, без зайвих аудіофільських обʼємів та чіткий бас. І він заслуговує на тверду пʼятірку.
Valentin
I use the Sonos Amp to power a pair of Bowers & Wilkins AM-1 outdoor speakers, with the amp installed inside the house.
In this setup, the result is very convincing. The Sonos Amp provides more than enough power for outdoor listening, with clean, dynamic, and well-controlled sound, even at higher volumes. The AM-1s are properly driven, with clear mids and precise highs, which is particularly appreciated in an open environment.
Ease of use is a major strength: quick setup, smooth control via the Sonos app, perfect integration into an existing multiroom system, and instant access to streaming services. On a daily basis, it’s very comfortable to use.
Comment from February 05, 2026 — Experience from January 08, 2026
Automatically translated — Show original (French)
J'utilise le Sonos Amp pour alimenter des enceintes extérieures Bowers & Wilkins AM-1, l’ampli étant installé à l’intérieur de la maison.
Dans cette configuration, le résultat est très convaincant. Le Sonos Amp fournit une puissance largement suffisante pour une écoute en extérieur, avec un son propre, dynamique et bien maîtrisé, même à volume soutenu. Les AM-1 sont correctement tenues, avec des médiums clairs et des aigus précis, ce qui est particulièrement appréciable dans un environnement ouvert.
La simplicité d’utilisation est un point fort majeur : configuration rapide, pilotage fluide via l’application Sonos, intégration parfaite dans un système multiroom existant et accès immédiat aux services de streaming. Au quotidien, c’est très confortable.
Atilio
It was great. the only drawback (if any) is that there is no OFF buttom.
Comment from August 26, 2025 — Experience from August 15, 2025
To better understand our visitors, measure marketing effectiveness and personalise ads, we and our partners use cookies and mobile advertising identifiers on your device. This data makes it possible to display personalised and non-personalised ads and measure their performance. Some cookies, which are technically necessary, are exempt from consent. You can accept those that require your consent, refuse them by clicking "Refuse", or customise your choices via the settings screen.
To find out how Google uses the data collected once you have given your consent, see Google’s Business Data Responsibility site.
You can change or withdraw your consent at any time via the "Consent and cookies" link. Your choices will apply on our site for 12 months.
