Consumer Reports has the details on the Onn sound bar and wireless subwoofer from Roku, both sold exclusively at Walmart.

Sound quality: Onn's 42" 5.1. 2. Dolby Atmos Soundbar with Wireless Subwoofer Fair overall sound quality - this model has sonic shortcomings that leave a lot to be desired when listening to music ...

Roku has announced more affordable versions of its smart soundbar and wireless subwoofer under Walmart's onn brand.