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Tone Tweaker

Shape your tone, boost your signal, and let your gear shine even more with the Tone Tweaker.

Unleash the full potential of your favorite gear with Tone Tweaker, a 12dB boost pedal designed for those who demand perfection in their sound. This subtle yet powerful pedal is built with an internal voltage booster that gives you that extra headroom and makes your beloved tube amp sound even better. It is perfect for cutting through the mix during solos and adding extra punch to your rhythm playing.


Tone Tweaker features an efficient 3-band equalizer, allowing you to fine-tune your sound with dedicated controls for Mid, Treble, and Bass. Whether you want to add warmth to your midrange, more sharpness to your treble, or extra depth to the low end, Tone Tweaker gives you the tools to shape your sound with exceptional effect – subtle yet powerful.


This pedal is conceived, designed, and built by the same team of engineers who have been behind Carl Martin pedals for decades.

Buy the Carl Martin Tone Tweaker here

Price EU incl. VAT                   149.00 €

Price USA/Non EU                  $159.00

Key features

  • 12dB Boost: Instantly enhance your signal with a clean, transparent boost that preserves the integrity of your original tone.

  • Internal Voltage Booster: Increases the amount of voltage sent into the pedal’s circuitry, providing extra headroom and boost.

  • 3-Band Equalizer: Customize your sound with precise adjustments using the Mid, Treble, and Bass controls. It's far more powerful than you think.

  • Buffered Bypass: Preserves signal strength and tone quality, ensuring your sound remains consistent even when the pedal is not engaged.

  • Top-Mounted In/Out Jacks and Compact Design: Designed to take up minimal space on your pedalboard, with top-mounted jacks saving space and providing a cleaner setup.

  • Durable Construction: Tone Tweaker is encased in a robust housing, ready for the rigors of the road.

  • Power Supply: 9 V DC (regulated), 60 mA minimum, 2.1 mm female plug, center negative (-).

Whether performing on stage or recording in the studio, Tone Tweaker is an essential tool to elevate your sound, and your current gear will love you for adding it!

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