The series Tonefancier is mounted by hand and with Biyang, one always has very warm sound. But I had to buy before the Mooer Trelicopter, tremolo good side. But I must say that this has nothing to do, quieter and fits well with my effects loop of my all-tube amp. It is an intoxicating effect I sometimes abused but then with an overdrive or fuzz, this pedal tends to add warmth and better discern the grain. Considering the price, we lose nothing, the case, it's tough