Multiple QS models can be utilized alongside one another to increase around 32 zones with simultaneous playback of joined teams up to 20 zones each. Moreover, the QS offers 4 zone pre outs that enable it to get combined with the Yamaha XDA-AMP5400RK, a companion multi-room amplifier, to deliver extra https://finnzpeqd.dm-blog.com/34377157/little-known-facts-about-4-zone-amplifier