The Source Audio Soundblox 2 Manta Bass Filter has an amazing twelve filter effects plus eight variations of distortion that are specifically designed to work in tandem with the filter effect selections. The pedal’s filters are controllable by its 2 envelope followers, or sine, square, and saw tooth LFO. Effects include 2 and 4-pole Low-Pass, Single-Peak, Multi-Peak, and Phasers. The pedal is compatible with the Source Audio Dual Expression Pedal, the Hot Hand 3 Wireless Effects Controller, or MIDI control signals via the Soundblox HUB. You can adjust each distortion’s gain levels using the Drive control.