J-Tech Digital JTDSS-2/V 2-Channel A/B Speaker Selector with Volume Control This speaker selector allows you to connect two stereo source and two stereo destination zones Each destination zone can be independently enabled or disabled and individually connected to either source. Each destination zone has its own volume control, so you won't have to suffer to excessive volume in one room or insufficient volume in the other This selector switch supports up to 180 watts per channel with a frequency range of 20 Hz to 20 KHz. The speaker wire connectors on the back accept bare wire up to 14AWG Free lifetime technical support from the manufacture and free 1 Year Manufacturer Warranty from J-Tech Digital.