Visual Sound, Inc. IMP Combiner IMCOM

Whirlwind Music Distributors, Inc. This versatile box is built with our premium TRSP-2 transformer for optimum durability. Features a phase reverse switch which flips the polarity of Input #2. Use fewer input channels by combining two mic lines into one. Combine two mics - one with polarity reversed - to remove background noise and feedback. Combine and correct phase when using a pair of mics above and below a drum or in front and rear of an open backed guitar amp.