The Pulse MLX402 is a compact mixer with 8 High impedance mono inputs designed to balance the input from 8 Line inputs and adjust the outputs volume for a recording device or amplifier. It can be used as either a 4 channel stereo (A left, B right) or 8 channel mono mixer. Features include separate level controls for each input channel (A: 1-4, B: 1-4) and separate level controls for each master output (A/B). Inputs are 8x Mono 6.35mm Jack and output is 2x Mono 6.35mm Jack. Includes an on/off power switch and a 9V PP3 battery. Requires a 12V DC, 200mA power adapter (not included). Dimensions are 150x65x108mm and weight is 637g.