Pioneer audio Multi-channel Receiver SX 315 96 KHZ 24 bit DA Converter. 5 speakers 2 front 2 back 1 middle Dolby Digital Pro Logic 2. Speakers are already wired, plug it in put the speakers out and turn It on and your ready to go. Also has required AudioVideo cable and Remote Control. All Works great. Any questions please let me know I will answer ASAP Thanks for looking.