The Looptrotter Sa2rate 2 adds a 17 dB BOOST for use with -10 dB devices and guitar amp loops, with a balanced +4 dBu output for preamp functionality. Inspired by vintage tube gear, it offers analogue warmth, harmonic distortion, and soft limiting for tracking, mixing, and mastering. Simple controls include DRIVE, OUTPUT, and BOOST, with LED indicators for THD levels.