Source Audio SA 250 - One Series Ultrawave Multiband Processor, multiband processor effects pedal for guitar, 37 different band splitting options, 44 different distortion / overdrive / fuzz types, dual channel compressor / expander with versatile control options, multiband tremolo with adjustable time options and selectable beat patterns, adjustable LFO module, sound morphing feature allows to change from one sound to another with an expression pedal, envelope follower or LFO, 8-band graphic equalizer, adjustable noise gate, universal bypass, analog buffered or relay-based true bypass selectable, controls for Drive, Level, Sustain (Bass), Treble (Mid), assignable knobs offer a different set of knob assignments for every preset, preset toggle switch for 6 onboard presets, ALT control button activates secondary function of the pots, bypass footswitch, status LED, brushed anodized aluminum housing, 6.3 mm mono left & right input and output jacks for multiple routing possibilities, 3.5 mm TRRS Control Input for expression control via Hot Hand 3 or expression pedal for external real-time control of assignable parameters, mini USB Port for PC connectivity (Windows and Mac Compatible), power supply via included 9V DC adapter (SR SA 153), 2.1 x 5.5 mm barrel plug, polarity (-) center, battery operation not supported, current draw 150 mA, dimensions (L x B x H) 114 x 70 x 51 mm / 4.5"" x 2.75"" x 2""