LITTLE KNOWN FACTS ABOUT 4 ZONE AMPLIFIER.

Many QS units may be used with each other to extend as much as 32 zones with simultaneous playback of linked teams up to 20 zones each. Additionally, the QS gives four zone pre outs that help it being combined with the Yamaha XDA-AMP5400RK, a companion multi-place amplifier, to supply a lot more electric power or even more speaker coverage for big