Electro-Harmonix Bass Preacher Compressor/Sustainer Description Bass guitars possess a huge dynamic range and produce powerful low frequencies. Designed for and by bassists, this compact 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! Features: 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 Product Details: Brand: Electro-Harmonix Style: Bass,Compressor Color: Silver Item Weight: 320 Grams Voltage: 9 Item Weight: 11.3 ounces Product Dimensions: 6.25 x 3.2 x 5.65 inches Item model number: BASS PREACHER Batteries: 1 9V batteries required. Is Discontinued By Manufacturer: No Date First Available: January 11, 2015 Color Name: Silver Signal Format: Analog Battery type: Alkaline Power Source: Battery Powered Voltage: 9