Roku, Inc. (today announced a Roku OS software update that will enable surround sound expansion of its Roku Smart Soundbars.

Walmart will also be expanding their onn. ∙ Roku surround system with the addition of onn. ∙ Roku Wireless Surround Speakers, expected on Walmart shelves and Walmart.com in February.

The Roku Smart Soundbar offers high sound quality with dynamic bass, a 4K and HDR Roku streaming player built in, simple set up and a remote with TV power and volume buttons. With the Roku Wireless Subwoofer, adding bass to entertainment is easy and now Roku TV Wireless Speakers, or the new onn.™ ∙ Roku Wireless Surround Speakers, can be placed behind the sofa or in the back of a room to provide consumers with immersive multi-directional sound. In addition, stereo content will sound better when adding rear speakers as the Roku Smart Soundbar sends sound to all speakers.

Roku Smart Soundbars also support Dolby Audio.

Roku Surround Sound capability will be available as a Roku OS software update for all Roku Smart Soundbars and will begin rolling out to devices in February.

The onn.™ ∙ Roku Wireless Surround Speakers will be available for $149 in Walmart stores and online at Walmart.com mid-February to pair to the onn. ™ ∙ Roku Smart Soundbar and onn.™ ∙ Roku Wireless Subwoofer.