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
Yamaha NS-777 tower speaker Piano Black | Reverb
Boxe Yamaha NS-777 la AVstore.ro
NS-777 - Overview - Speaker Systems - Audio & Visual - Products - Yamaha - Other European Countries