Bose S1 Pro + Portable Bluetooth Speaker System It improves the speakers' sound

It improves the speakers' sound staging and imaging

4 Channel Balanced Processor with Dolby Atmos

HDMI with ARC (Audio Return Channel)

The mic input and mixing function allow users to mix mic sound and tape/aux sound

Bose S1 Pro + Portable Bluetooth Speaker System It improves the speakers' soundOVERVIEW Its a pro move to bring big sound wherever you want music. Versatile, portable, powerful the S1 Pro+ Wireless Speaker is your go to for adding vibes to the backyard, bar, park, or any larger gathering. With a 3 channel mixer, you can stream a playlist, plug in a microphone, or your favorite instrument. Go with whatever the night calls for. And now you can simplify setup and get to the music faster when you add wireless RF accessories for mics