ACTIVE DIRECT BOX -Active circuitry offers higher headroom for ultra-low noise and distortion-free performance -High-impedance 1/4" input with Thru output -Balanced XLR output connector with Ground Lift -Low Cut and Polarity switches -Merge switch allows connection of stereo sources which are then summed to mono at the output, perfect for stereo sources like keyboards ad media players - -20dB pad ensures distortion-free performance when connectiong to high-level sources -Powered via 48v Phantom Power nánar