Numerous QS models may be used with each other to increase around 32 zones with simultaneous playback of connected teams up to 20 zones Each and every. Moreover, the QS gives four zone pre outs that permit it to generally be combined with the Yamaha XDA-AMP5400RK, a companion multi-home amplifier, https://brookstlzmx.bloggerswise.com/41768684/4-zone-amplifier-an-overview