Sima Speaker Selector Switch with Volume Controls for 6-Sets of Speakers 100w Max, 80w Music Freq Resp: 45hz-26khz Users Can Play Speakers Individually Or In Any Combination Of Pairs Designed for use with amplifiers up to 100 watts Supports 2 amplifiers and have volume control for each speaker pair Accepts up 14 gauge wire with plug-in screw terminals for easy connection Play speakers individually or in any combination of one to six pairs