In this digital sound system consists of 3 yamaha items the 1st being ysp 1600 a stylish slim sound bar featuring digital sound projector technology for real 51ch surround sound with eight 28 cm high quality array speakers create beams of sound that are precisely time and direction controlled using digital signal processing the isx80 is a wireless speaker that connects to the sound system the speaker provides interior at through music whether wall mounted or placed on a shelf compatible wit