Sonos speakers and soundbars are up to $120 off at Best Buy for a limited time

September 5, 2025

A mother and daughter talking in front of a Sonos Arc Ultra.

SAVE UP TO $120: As of Sept. 5, you can save up to $120 on a range of Sonos speakers and soundbars at Best Buy. Shop the Arc Ultra, Era 300, and more.


Best Sonos deals as of Sept. 5:

Best subwoofer deal
Sonos Sub 4
$679 (save $120)
Sonos Sub 4

Best soundbar deal
Sonos Arc Ultra
$899 (save $100)
Sonos Arc Ultra

Best smart speaker deal
Sonos Era 300
$359 (save 490)
Sonos Era 300

It’s not often you see a major sale on Sonos gear, but Best Buy is offering up to $120 off a handful of products, including the Sonos Sub 4 wireless subwoofer. (If you prefer to shop direct, Sonos is running a similar promotion on its website.) The sale includes speakers, soundbars, and subwoofers (and the Sonos Ace headphones are on sale on the Sonos website).

Here’s a breakdown of the best deals.

Sonos Sub 4

Sonos Sub 4
$679 at Best Buy
$799 Save $120

Why we like it

The Sonos Sub 4 is on sale for $679 at both Best Buy and the Sonos website. That's a $120 price cut from the original $799 list price. Just be mindful of the end dates: the Best Buy deal ends on Sept. 7, while the Sonos deal ends a day earlier on Sept. 6.

The Sonos Sub 4 wireless subwoofer is designed to transform your living room into a home theater. You can pair it with a soundbar like the Sonos Arc Ultra, Arc, or Beam to get dramatically deeper bass. If you're more focused on music and spatial audio, you can pair it with speakers like the Sonos Five, Era 300, or Era 100.

Sonos Arc Ultra

Sonos Arc Ultra
$899 at Best Buy
$999 Save $100

Why we like it

The Sonos Arc Ultra is on sale for $899, down from $999, at both Best Buy and the Sonos website. That's a $100 savings. You'll also get four months free of SiriusXM All Access and free Apple Music for up to three months with the Best Buy deal.

The big upgrade here (from the Arc) is Sonos's Sound Motion technology, which uses 14 internal drivers to create an immersive Dolby Atmos spatial audio experience. It's designed to precisely place sounds around you while keeping dialogue ultra-clear so you never miss a word. Setup is simple; just plug it in and connect it to your TV with the included HDMI cable, and then open the Sonos app to complete your setup.

Sonos Era 300

Why we like it

The Sonos Era 300 is on sale for $359 at both Best Buy and the Sonos website. That's $90 in savings and, like with the Arc Ultra deal above, Best Buy will give you four months of SiriusXM All Access and three months of Apple Music for free.

The Sonos Era 300 supports Dolby Atmos Music and has six drivers positioned around the front, sides, and top. You can stream music from just about any service or device, and when you pair two Era 300 speakers with a Sonos Arc or Beam (Gen 2) soundbar, you can get a concert-like feel right at home.

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