This speaker selector box allows you to play audio to up to four different stereo speaker sets. It easily handles up to 100 watts per channel with speaker systems that have a minimum impedance of 8 ohms. Each input has an on/off switch. Protection circuitry keeps it running smoothly and prevents speaker burn-out. Accepts speaker wires up to 14 gauge. Up to 4 Separate Speaker Pairs to your Stereo System Accepts Speaker Wires Up to 14- Gauge Handles 100Watts Per Channel with Speaker Systems that have a Minimum Impedance of 8 Ohms Protection Circuitry Keeps it Running Smoothly Individual Speaker Volume Control Support Two Stereo Amplifiers Frequency Response: 20Hz-20KHz Dimensions: 16.92''(W) x 3.03''(H) x 6.29''(D) Sold as: Unit Weight: 9.32 lbs.