NOT KNOWN DETAILS ABOUT 4 ZONE AMPLIFIER

Various QS units may be used alongside one another to broaden nearly 32 zones with simultaneous playback of joined groups up to 20 zones Just about every. In addition, the QS delivers 4 zone pre outs that enable it to get coupled with the Yamaha XDA-AMP5400RK, a companion multi-area amplifier, to provide a lot more electrical power or more speaker