Mooer Sweeper-Bass FilterThe Mooer MEP S Bass Sweeper micro bass guitar effects pedal packs an incredibly BIG sound into a very small package. The Sweeper is a dynamic envelope filter pedal that works great with both bass and guitar. The Clean mode produces an excellent dynamic envelope filter effect with unique vocal like sounds; the Fuzz mode adds some fuzz tone for a vintage sound. Overall, this pedal creates a unique, funky style filter tone. Features: 2 Way Switch: Fuzz