BOSS CEB-3with PigHog 9V Power Adapter The CEB-3 Bass Chorus pedal offers a split-frequency chorus effect capable of applying warm, rich chorusing to the higher frequencies without muddying up the lows. Its the perfect chorus pedal for bassists. Pig Power is a 9V power supply with 1000 mA can power up to 10 pedals at once (PP10DC 10 Spot Daisy Chain not included), with a minimal design that requires just a single outlet.The positive sleevenegative tip works with most effects pedals on the market, including Boss PSA or ACA, Danelectro DA-1, DOD PS-200R, Dunlop ECB-03, Ibanez AC-109, Korg A30950, Morley 9V, Zoom AD-0006, and more The power adapter is backed by a one year limited warranty. KeyFeatures Compact chorus pedal especially designed for bass guitar Applies chorus sound to the high frequencies without altering low frequencies Effect Level, Low Filter, Rate and Depth knobs