Supro Drive, Overdrive Guitar Effect Pedal, Supro Model 1305.
Drive offers a TRS port for expression pedal control of the GAIN knob. With the expression pedal in use, the on-board GAIN knob sets the maximum value, while a user-adjustable, internal trimmer sets the minimum gain setting.
• Mimics the output section of a classic 1960s Supro amplifier
• Custom-tooled, anodized, brushed-aluminum enclosure
• 9V battery or DC powered operation
• Rear-mounted metal jacks
• Studio-friendly, noiseless (click-free) true-bypass switching