Premium New and Improved 4 Zone  Channel Speaker Switch Selector  Switch Box Hub Distribution Box for  Multi Channel High Powered  Stereo Amplifier A/B/C/D Switches | 4 Pairs Of speakers - Pyle (PSS4) THE NUMBER 1 SELLER 4 ZONE SPEAKER SELECTOR:The New and Improved Multi Zone Speaker Selector Can Play 4 Sets of Speaker at the Same Time or What Ever Speaker You Want to Control or a Pair of Speaker from High Powered Amplifiers CONTROL YOUR POWERED 4 CHANNEL AMPLIFIER:You Can Control Any Amplifier from Pyle Crown Denon Sony Panasonic Yamaha and Many More.also Control 4 10 4 6 8 Inch Speaker Box PLAY ANY COMBINATION SETS OF SPEAKERS AT ONCE.:The Pyle speaker switch box 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 passively powered by your stereo - only need to plug in the wires.Its a good idea to add labels on the buttons for the different speakers so you don't have to remember each zone is WORRY-FREE SHOPPING: With the Pyle multi speaker switch we are confident of the quality of our product, therefore, we offer a 30 day money back guarantee no questions asked Up to 4 Separate Speaker Pairs to Your Stereo System - Dimensions: 7.48- Inches(W) x 1.97- Inches(H) x 4.72- Inches(D) Accepts Speaker Wires up to 14-Gauge Handles 100Watts per Channel w/ Speaker Systems That Have Minimun Impedance of 8 Ohms Protection Circuitry Keeps It Running Smoothly Frequency Response: 20Hz-20KHz