Description
The DEMETER MB-2B FAT Control tackles one job with real precision: shaping the middle of your guitar’s frequency range for a fuller, more present tone without piling on distortion or coloration. It’s built around a wide, variable-gain mid-frequency booster paired with a low-impedance buffer, so the boost stays musical and your signal stays strong heading to the next pedal or amp.
Where it really shines is pickup character. Run a Stratocaster-style single coil through it and the FAT control pushes the tone toward classic Gibson P90 territory — thicker, woodier, with more body. Feed it a humbucker and the effect goes the other direction, inflating the sound into something closer to a super-humbucker. Demeter describes the effect as comparable to winding an extra 5,000 feet of wire onto your pickup, and the amount of that boost is entirely up to you via a single Flat/Fat control.
Operation is refreshingly simple: one knob for the mid-boost/buffer voicing, a footswitch for true bypass, and an LED to confirm when the effect is engaged. That simplicity makes it easy to dial in and forget — a set-and-leave tone shaper for players who want more sustain and definition without adding another layer of complexity to their board.
Place it early in the chain to feed a fatter, more sustained signal into your drive and modulation pedals, or use it as a always-on tone sculptor to compensate for thin-sounding single coils.
Genuine Demeter factory package includes:
- DEMETER MB-2B Midboost/Fat Control Pedal
- Operating Manual
- Warranty Registration Cards






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