Yamaha Black Floorstanding Home Theater Speaker - NS-777
Yamaha NS-777 Speaker System download instruction manual pdf
Caixas Yamaha NS-777 e Receiver Sony STR DH-820 tocando Lee Ritenour. - YouTube
Sound doesn't coming from mid speaker on both yamaha ns-777. They are connected to denon AVR-3700H. So doesn't matter what I'm playing, movie, song, regular TV sound doesn't come from middle speakers