R-28 DOUBLE THRUSTER is an overdrive pedal specially designed for bass. It sculpts articulate Mid and high frequencies, delivering sharp and grainy high frequency.Compact and portable.Input Impedance:1 MohmOutput Impedance:2 Rated current consumption:80mAWorking Voltage:DC 9V (center minus)Weight:250gModel:R-28 DOUBLE THRUSTERPurchase Note:1. Before you test the pedal or before playing, make sure the guitar is fully connected with the pedal;2. More importantly, you need to make sure it meets the working current requirement of each single pedal.3. In order to make for pedals work properly, avoiding unexpected noise caused by power supply, we recommend that you purchase a for power adapterColour:BlackMaterial:MetalSize:109x72x48mmPackage Contents:1 * Guitar Pedal1 * English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.