
Anthony Easton
The MXR M-66 Classic Overdrive pedal, also known as the MXR CL1 Classic Overdrive, is designed to deliver massive driving tone at an affordable price. Housed in a rugged die-cast enclosure, this pedal is built to withstand the rigors of live performance. The pedal features a tone control that allows for sound shaping, providing a wide range of tones from Texas blues to thrash metal leads. The output and gain controls offer precise control over the tone and volume, adding sustain and gain without coloring the guitar or amp's tone. The pedal is powered by a 9 VDC, 4mA power supply.
Specifications:
- Input impedance: 1megOhm
- Output impedance: <7.5kOhm
- Signal to noise: >87dB A weighted (Vref 1V RMS)
- Tone control: +/- 8dB @2.7 kHz
- Gain control: 25 dB range @ 1 kHz
The MXR M-66 Classic Overdrive pedal features a switch inside that toggles between the Classic OD (GT-OD) or ZW-44 circuits, offering versatility in overdrive tones.
It is built with high-quality components and offers simple controls for dialing in a great tone quickly.
Watch the latest video demos and reviews for the Classic Overdrive from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the MXR Classic Overdrive from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Excellent
$50

Excellent
$49

Very Good
$44

Very Good
$44

Very Good
$49

Excellent
$43

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton