donner compressor pedal, ultimate comp guitar pedal compression effect 2 modes pure analog for electric guitar and bass true bypass donner <b>donner compressor pedal</b><br><b>specifications</b><br> 1.input: 1/4′′monaural jack (impedance: 470k ohms).<br> 2.output: 1/4′′monaural jack (impedance: 1k ohms).<br> 3.power supply: dc 9v (plug polarity is positive on the barrel and negative in the center ).<br> 4.working current: 12ma.<br> 5.dimensions: 95(d)*45(w)*48(h)mm.<br> 6.weight: 273g(with box).<br><br> precautions<br> environment:<br> 1. do not use the pedal in high temperature, high humidity, or subzero environments.<br> 2. do not use the pedal in the direct sunlight.<br> please do not dissemble the pedal by yourself.<br> please keep the manual for future reference.<br><b>package included:</b><br> 1 x donner ultimate comp guitar effect pedal<br> 1 x user’s manual<br>