Interspace Industries INTI-PXB Passive Balancing and Hum Eliminator Audio Toolkit

Being completely passive (no batteries or external power required) and bi-directional, PXB 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. Connects an unbalanced audio signal to a professional, balanced AV sound system to get rid of the hum and clicks they produce. Also applicable to laptop computers, CD and DVD players and other 'consumer' devices that you need to integrate smoothly into a professional presentation set-up. The unit has both phono and 3-pin XLR inputs, the outputs are completely isolated in either direction and by using the Ground Lift' feature where required, hum problems can be easily cured. FeaturesAlways ready to go - no batteries or external power requiredBi-directional - can match balanced and unbalanced audio in either directionInputs and outputs fully isolated - ensures unwanted ground loops are defeatedGround-lift switch - to help cure hum problemsStereo/Mono select switchLine to mic level matching using 20dB pad switch