Interspace Industries PCBBJ Passive Balancing & Hum Eliminator Jack I/P

Hum can happen anywhere, power supplies, fluorescent lights, other equipment - all can cause noise that is picked up by your audio input cables. Being completely passive (no batteries or external power required) and bi-directional, PC Balance Box can match unbalanced and balanced audio sources, line to mic levels, stereo and mono signals, and troubleshoot hum problems - all in one versatile and rugged unit. The PC Balance Box is the simplest way to interface unbalanced computer or consumer audio...