4-in 2-Out Pro RCA Audio Switch Box Audio Converter 4 Channels 4-in 2-Out HiFi Stereo Passive Audio Selector Switcher Box Aluminum Shell Quality RCA Connectors (WDRCA-4-In 2-Out)

WisWinDa Specialized in Audio Devices, Making Your Audio System More Professional. ^^ WisWinDa 4-In 2-Out Pro RCA Audio Switch Box Audio Converter 4 Channels 4-In 2-Out HiFi Stereo Passive Audio Selector Switcher Box. ^^ WisWinDa RCA AUX speaker AB switch box is well designed with full aluminum shell with strong rubber mat make it very durable and convenient in using, high quality RCA pure copper connector with gold coating make it no any signal loss in transmission. ^^ Passive audio selector design, plug&play. No need extra power supply and no worrying about using the right power supply as this is a very basic passive unit, aluminum CNC selector knob, easy to setup and requires no DC/AC adapter.

The switcher is well constructed with a bit of heft and easy connections. ^^ This device is compatible with most of the audio sources signal select or multi-rooms paralleled amplifiers and active speakers. Its very suitable for philharmonic as it no loss richness of the music.
(Tips: Almost all of the audio switchers dont have the noise isolation functions, if you need the audio isolator please select the right one based on the audio devices you had. )
^^ Device Dimension: 6.1 * 5.3 * 1.7 inch ^^
Device NW: 1.32 lb