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https://mas-effects.com/sona/
The MAS Effects Sona Fuzz has a surplus of gain on tap. Highly interactive with your guitar's volume knob, you can dial in a surprising range of sounds.
Fuzz
Sets the amount of gain, distortion, fuzz, sustain, or whatever you want to call it. Like with most fuzz pedals, it will interact with the volume knob of your guitar. e.g. roll back the guitar volume at low FUZZ levels to clean up the signal considerably.
Volume
Controls the overall output of the pedal.
Tone
Pans between cutting highs or lows.
Body Switch
Fattens or thins out the signal going into the pedal.
Soft-touch Foot Switch
Tap to switch between true bypass and engaged; Hold to temporarily bypass when engaged, or temporarily engage while bypassed.
Hold while connecting power to toggle whether the pedal will be engaged or bypassed whenever it's powered on.