ADWITS 4-Channel Passive Speaker Selector, 4-Zone Sound Distribution Box Hub, Supports up to 200W / Total Power, Full Metal Square

[ Easy of Setup ] It's plug & play. Simply plug in the speaker wires to power through a connected amplifier or stereo [ Smooth Switching ] Push the switch buttons to play any combinatoin sets of speakers as you wish. No noise when switiching. Notice: must switch to OFF if no speakers connected. [ Wide Application ] Suitable for sound applications in back yard, garden, living room, game room, home theater room, RV, Car, stage. Strong metal housing & quality components offer durable & stable performance [ Speakers Supported ] Support only passive loudspeakers such as ceiling speakers, wall speakers, stage speakers, car speakers. Impedance among 4 ~ 16Ω, sizes 4 / 6 / 8 / 12 inch. Notice: speaker wires within 9 Gauge / Diameter 2.91 mm [ Warranty] 12 months manufacture's warranty from the date of purchase