Bass guitars possess a huge dynamic range and produce powerful low frequencies. Designed for and by bassists, The EHX Bass Preacher compressor/sustainer features fully adjustable controls that can subtly transform the dynamic qualities of a bass guitar or take them to the extreme. From transparently leveling out notes so they sit in a track to creating an intensely squashed sound, the Bass Preacher helps spread the gospel of great bass tone! Compact compressor designed especially for bass guitar Input sensitivity ranges from -10 dBu to +2 dBu making it a perfect fit for both passive and active basses of varying output levels Maximum gain reduction of 21 dB, with enough make-up gain to return your signal to full volume at maximum sustain (compression) Attack toggle switch changes the timing of the onset of compression and provides three selectable settings: Fast, Medium and Slow True bypass for maximum signal path integrity when in bypass mode Tough, compact die-cast package 9V battery included Specifications Circuit: Analogue Bypass: True Bypass Audio: Mono Power Supply: 9V battery included (optional 9.6VDC-200mA power adapter not included) Dimensions (in): 4.5 x 2.75 x 2.1 Current Draw: 33mA Year Released: 2016