Maxon ROD881 Real Tube Overdrive / Distortion Guitar Effects Pedal

Works like an additional preamp for your amplifier. Combine with various drive settings on your amp for powerful tone shaping. Hand-selected 12AX7WXT preamp tube. Switchable distortion mode adds a secondary gain stage for extreme distortion. Gain and master volume controls provide a wide variety of overdrive tones, from clean boost all the way to searing, saturated sag. Bass, treble, and mid boost controls with extended operation ranges offer a limitless array of tonal options, from the classic "808" tone to beefy, low-end chunk. Noise-free tone via rear-mounted, switchable noise reduction circuitry with variable threshold control and a 1:2 noise reduction ratio. Powered via a standard 9-volt DC adapter, allowing easy integration into your pedalboard or rack setup.