Just upgraded to the Bass Module 700 from the 500 sub for my SoundTouch 300 soundbar 🤯 : r/bose
Bose Smart Soundbar 900 Home Theater Bundle (Black Bar/Sub, White Surrounds) 5.1.2-channel home theater bundle including Bass Module 500 and Surround Speakers 700 at Crutchfield
Amazon.com: Bose 767520-1100 SoundTouch 300 Soundbar, works with Alexa,Black : Electronics