Whirlwind Selector Active A/B Switch Box Video Software the Shure PSM 300 in-ear

the Shure PSM 300 in-ear personal monitoring system puts total freedom within reach of musicians at every level

Internal components protected from electrical damage

The unit provides master reverb

A MIDI input supports external control for integration with more complex rigs

along with an independently insertable bandpass filter

Whirlwind Selector Active A/B Switch Box Video Software the Shure PSM 300 in-earThe only A,B A+B switch with patented noiseless optical switching. Functions as a 2 to 1 or 1 to 2 switch. Operates with 9V battery. The famous Whirlwind Selector is the only A B A+B box that provides totally noiseless switching between channels. Send one guitar to two amps or use it the other way around to select between two guitars into one amp. Whichever way you use it, the Selector is the best channel switching device money can buy. The Selector