Radial Bassbone V2 2-ch Bass Preamp and DI Two-channel bass preamp for 1 or 2 basses Built-in Radial DI with low-Z balanced out for the PA Combination power booster, effects loop and mute Powerful EQ and level controls for each bass Each channel has a separate level control to balance the two instruments and is augmented with a unique EQ that enables you to adjust the tone to match your bass amp