Premium New and Improved 4 Zone Channel Speaker Switch Selector Volume Control  Switch Box Hub Distribution Box for  Multi Channel High Powered  Amplifier Control 4 Pairs Of speakers - Pyle PSPVC4 BEST PERFORMANCE SPEAKER SWITCH WITH VOLUME CONTROL:The new and Improved Multi Channel stereo speaker selector with volume control can control the volume and select what speaker you want to play without have to go to the amplifier each time. CONTROL POWERED 4 CHANNEL AMPLIFIER: With the 4-channel a/b/c/d speaker selector w/ volume control You Can Control the volume and Switch on of each speaker or play all speakers at the same time.From and high power and low powered stereo amplifiers PLAY ANY COMBINATION SETS OF SPEAKERS AT ONCE.:The Pyle speaker switch box Volume Control Is great help for controlling ceiling speakers Wall Speakers home theater rooms monitor speaker loud speakers from all sizes 4 6 8 12 inch PLUG AND PLAY EASY INSTALL.The Pyle speaker distribution hub Is powered by your stereo - Just plug in the wires to Control any High Powered Amplifiers from Pyle Crown Denon Sony Panasonic Yamaha and Many More.Control 4 10 4 6 8 inch Speaker Box.Frequency Response: 20Hz-20KHz WORRY-FREE SHOPPING: With the Pyle multi speaker switch and Volume Control we are confident of the quality of our product, therefore, we offer a 30 day money back guarantee no questions asked.