av receiver 6.1 i think str-db900 it would not let me put that model number in on eBay instructions but ive got model number on photos ive had Bluetooth adapter in testing music and all channels work for me but depending on sound Field input u have turned on obviously 2.1 definitely not out of all speakers lol but loud nd working , remote control not working i can throw it in if you want but i can't get it to work??
eBay