The ART PowerMIX III is a compact 3-channel stereo mixer enabling 3 stereo devices, such as recorders and keyboards, to be mixed via stereo L/R output. Each input features L/R 1/4" stereo phone connectors with individual level control. Pan controls are featured on every input allowing control over stereo placement. The output section features L/R 1/4" stereo phone connections and the headphone output features dual 1/4" outputs allowing 2 headphones to be connected simultaneously. The headphone section provides an independent level control and a "Master" level control enables global level control over all channels. The compact mixer is powered via 12V DC power supply.