Rauland Borg 3535A + 3570A Log-8 automatic PRO microphone mixer w expansion unit
Rauland-Borg 3535A and 3570A Log-8 microphone mixer w expander. Rauland-Borg 3535A LOG-8 automatic microphone mixer. Each unit has an AC convenience outlet on the rear to power other units.This 3570A is the -A variant with 4 channels populated.