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We understand that you want to know about the difference between Roku wireless subwoofer and Roku wireless bass.
We want to inform you that the Roku wireless subwoofer and the Roku wireless bass are the same. The name of the Roku wireless subwoofer has been changed from wireless subwoofer to wireless bass. The wireless bass has two variant which is Roku wireless bass and Roku wireless bass pro.
Roku Wireless Bass Pro has 250W of peak power, a 10” driver, and is the larger of the two subwoofers.
Roku Wireless Bass is our slim-design subwoofer with 120W of peak power and a 5.25” driver.
For future reference, here's our Support page: Getting to know your Roku subwoofer | Official Roku Support
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