DENON is arguably the top of high end sound equipment market All gear functions very well with no problems Speakers 4 satalite$50 center$20 subwoofer $50 Receiver avr 487 I’ve got both optical cables Powered subwoofer dsw 76 2 Front and 2 rear satalite sc a76 Centre sc c76 It is a 7.1 receiver with 5.1 (speakers and subwoofer) Still sounds awesome in a living room at 5.1 Thanks for looking… Please check out my other adds