The Electro-Harmonix Bass Micro Synth is an analog synthesizer pedal designed for bass guitar, offering a range of synth textures from percussive stabs to bowed sounds. Featuring controls for sub-octave, guitar, octave, square wave, and filter sweeps, this pedal allows bassists to create vintage synth sounds, with a monophonic design for unique tracking and glitch effects. With a learning curve, it's a versatile pedal capable of everything from bottom-end boosts to crazy distorted synth sweeps. The pedal has a built-in filter sweep range that is tailored for bass guitar, it's a classic effect for a wide array of sounds.