Check the listing for details. Caline CP-502 Mellow Drive - New! - Ships from USA. Condition: New. Listed at 37.95 USD. A tribute to one of the most sought after and world renowned tube amp circuits made famous by players such as Eric Clapton, John Mayer and Robben Ford. This a seriously smooth blues machine that works equally well across any genre. As you would imagine it cleans up beautifully with your guitar volume pot and reacts to the pick attack of your playing. From gentle break-up to sweet harmonic medium drive tones, this pedal is perfect for blues, rock and country styles. Controls:VOLUME Knob: Controls the overall signal volumeGAIN Knob: Controls the amount of gain added to your signal TONE Knob: Adds rich harmonic high mids to your toneVOICE Knob: Adds brightness and presence to your tone Features:True BypassAluminium alloy casingPower Requirement: 9V DC center negativeCurrent consumption: 50mAProduct Dimensions: 11.2 x 6.4 x 3.4 cmWeight: 270g