The EMW AUDIO SWITCH 202 module is an audio frequency switch that selects which input will be routed to it's output based on the voltage of the CLOCK signal. A CLOCK signal lower than 2.5V will select Input A while a CLOCK signal higher than 2.5V will select Input B.When using the Audio Switch 202, you have the option to either use it's internal clock (which can be controller using the Frequency and A/B Time knobs) or patch an external clock signal into the CLOCK input jack.
