Up To 8 Separate Speakers Pair To Your Stereo System. - Dimensions 12.8- Inches X 2.04- Inches X 6.12- Inches.Accepts Speaker Wires Up To 14-Gauge..Handles 100 Watts Per Channel With Speaker Systems That Have A Minimum Impedance Of 8 Ohms..Protection Circuitry Keeps It Running Smoothly.Frequency Response: 20Hz-20KHz This speaker selector box allows you to play audio to up to eight 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.