Drive Core The Drive Core is a mixture of a signal booster and overdrive, giving a player the ability to fatten up and overdrive their favorite amplifier sound. Features: Separate signal booster circuit Warm and natural overdrive of tube saturation Mixture of boost and overdrive sound True Bypass Runs on battery or AC power Specifications Input Impedance: 1MO Output Impedance:10kO Power:9V DC (9V Battery, ACD-007A Adapter) Dimensions: 122(L) x 72(W) x 47(H)mm Weight:270g