1-3 of 3 Answers
This will work with any system that has an aux or rca input
Sorry, there was a problem. Please try again later.Hello Bose321, To confirm the Community Answer, here's a link to the product support page for the Bluetooth Speaker Adapter which will show you how to set it up with your Bose 321: https://www.logitech.com/assets/65853/bluetooth-audio-receiver-qsg.pdf. - Richard from Logitech
Sorry, there was a problem. Please try again later.Yes. Anything that can receive audio input via 3.5mm TRS or left/right (red/white) RCA can receive from this adapter. Your 321 has RCA in, according to the manual I just looked up on their site. I think my adapter even came with those cables.
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