A:Answer Yes, the Bose 161 speakers would function perfectly well as rear speakers. To use them with your Acoustimass 7, you would need to connect the 161s directly to your receiver’s rear/surround speaker connections. If you need further assistance setting this up, please call Product Support at 800-711-5772, Monday through Friday 8:30am to 10:00pm and Saturday 9:00am to 7:00pm EST. Outside the US/Canada, you can visit global.bose.com.