Lovepedal's take on the mu amp circuit, with a few tweaks. Note- this is the original Elephant Man and not the "Stinger" version, which has accentuated mids. This boost is, per the maker, "more balanced across the tonal spectrum and is fat and juicy with a touch of scooped mids." Both are based on the mu circuit.
Wonderful boost pedal - especially great behind some fuzz as it can refine the character of the fuzz.