FAT Mode: The FAT mode adds bigger and warmer tones TONE Control: TONE is a tilt-shift EQ that adjusts treble and bass BIAS Control: The BIAS control adjusts from sweet spot smooth to voltage-sag snarl Enhanced Controls: It treats the classic tone to a modern control set that includes a FAT/NORM mode switch, Bias control, and Tone knob Wide Palette of Tones: Expanding on Electro-Harmonixs first homage to the tone that launched a thousand riffs, the EHX Satisfaction Plus delivers a wide palette of tones, from classic 60s snarl to creamy lead tone to thick, earth-shaking sludge