
Next-level immersion
With an all-new acoustic architecture powered by 14 Sonos-engineered drivers and advanced technologies like Sound Motion™, Arc Ultra fills every inch of the room and precisely places sounds all around you.

The only soundbar with Sound Motion™
One of the most significant breakthroughs in audio engineering in nearly 100 years, Sound Motion allows Arc Ultra to pack unprecedentedly clear, deep, and balanced sound into an unbelievably sleek design.

Experience Dolby Atmos like never before
Dolby Atmos takes your entertainment to another dimension, enveloping you in a 9.1.4 spatial audio experience. Add a Sonos Sub and Era 300 rear speakers for unparalleled surround sound, with bass you can feel and jaw-dropping detail from every direction.¹
Ultra-clear dialogue
Arc Ultra maximises centre channel performance for vocal clarity so you never miss a word. Make dialogue even clearer by choosing your preferred level of Speech Enhancement in the Sonos app.
Premium design worthy of your home
With its distinctive curved shape, low-profile design and matte finish, Arc Ultra is thoughtfully crafted to look great in your home and keep the focus on your entertainment.
Control your way
Use your TV remote, the Sonos app, and the touch controls on top of the soundbar. Enjoy hands-free ease and unmatched privacy with Sonos Voice Control. Get extra help from Amazon Alexa.² Turn off the mics with the flip of a switch.
Breeze through setup
Get cinema-quality sound in just a few minutes. Plug in the power cable, connect your TV with the included HDMI cable and open the Sonos app to complete setup.
Perfectly tuned for the room
Trueplay™ optimises the sound for the unique acoustics of the room and placement of Arc Ultra so you get the best listening experience possible. Available for iOS and Android
Fill your home with music
Stream everything you love using WiFi, Bluetooth, Apple AirPlay 2, and Spotify Connect, and enjoy high-quality formats like Dolby Atmos Music. Listen all around your home with Sonos speakers in other rooms.
Personal surround sound
Send TV audio from your soundbar to your Sonos headphones with the press of a button for a private cinematic experience with dynamic head tracking.
Sonos Arc Ultra vs. Arc
WArc Ultra features an all-new acoustic architecture with three more drivers than Arc, groundbreaking Sound Motion technology, updated touch controls, Bluetooth connectivity, more advanced Speech Enhancement, Trueplay tuning for Android, and a slimmer design.
1. Dolby Atmos content and compatible TV required. Stream Dolby Atmos Music from a supported service.
2. Availability of voice assistants varies by country and language..

Pulse-pounding bass
Dual Sonos-engineered drivers generate deep, dynamic low frequencies. The ported enclosure enhances the bass
response so you feel every beat, roar, and rumble in your chest.
Transform your home cinema experience
Pair Sub 4 with Sonos Arc Ultra, Arc or Beam for dramatically deeper bass and clearer highs that draw you deeper
into films, shows, and games.¹
Bring your music to life
Hear the nuance in every note and enjoy a greater sense of spaciousness when you pair Sub 4 with Sonos Five, Era
300, or Era 100.¹
No buzz or rattle
The acoustic architecture creates a force-cancelling effect that virtually eliminates distortion.
Perfectly tuned for the room
Trueplay™ optimises the sound for the unique acoustics of the room and placement of your speakers.
Iconic design
With its elegant sculptural shape and updated matte finish, Sub 4 is designed to look great in your home and to
match your Sonos speakers.
Plug and play
Simply plug in the power cable and open the Sonos app to add Sub 4 to your system.
Place it where and how you want
Sub 4 reliably connects to your Sonos soundbar or speaker over WiFi so you can place it anywhere in the room —
even on its side and under your sofa.
Double the drama
Pair two with Arc Ultra or Arc for bass so deep and sound so immersive, you’ll forget you’re at home and not in
an actual cinema.
Toned-down impact
Sub 4 uses fewer materials and is more energy efficient than previous generations.
Upgraded technology
With increased processing power, memory and new WiFi radios, Sub 4 is the most advanced Sonos subwoofer to date.
1. For more information on compatible products, refer to faq.sonos.com/sonos-sub-4/compatible-products.