Converts one stereo pair from unbalanced to balanced and another stereo pair from balanced to unbalanced. Perfect for a recording device or a computer sound-card. All unbalanced and balanced signals are on RCA/Phono jacks and XLR connector respectively. Plenty of gain in the unlocked position means even low-level computer sound-cards are no problem.Two IHF inputs and output two PRO inputs and outputs. 120V version with USA power plug.