Multiple QS models may be used collectively to extend up to 32 zones with simultaneous playback of linked groups up to 20 zones Every. In addition, the QS offers 4 zone pre outs that enable it to get coupled with the Yamaha XDA-AMP5400RK, a companion multi-area amplifier, to offer more https://4-zone-amplifier40482.blogpayz.com/34435332/top-latest-five-4-zone-amplifier-urban-news