Road proof housing with rubber feet Low distortion No power supply needed 0, 20 ,40db attenuation settings The PDI-200 is a two-channel passive direct injection box. It converts your HI-Z signal into a LO-Z signal. You do not need a battery or phantom power for this direct box. It has very wide applications, great for keyboard signals, acoustic electric guitar signals and any other instrument signals that need to be plugged into a snake on stage.Jellemzõk:Input: 6,3mm JackLink: 6,3mm JackOutput: XLR MaleInput Impedance: 50,000 Ohms Output Impedance: 500 OhmsFrequency Response: 30 - 50,000 Hz (1 dB)THD at 400 Hz: 0.003% Fixed Natural Attenuation: 20 dBAttenuation Settings: 0, 20, 40 dBCrosstalk at 1 kHz at 0 dBu: -96 dBuDimensions: 140 x 110 x 55 mmWeight: 1.1 kg