Feature:1. Application: This is a bass dynamic envelope filter effect pedal, and which is also widely suitable for guitars, easy to use2. Switching Original Sound: With unique Funky style filter effect, switchable between original sound and fuzz filter3. Metal Shell: Effect pedal is made of all metal shell, the appearance is small and exquisite, which can save more space4. Operating Mode: 2 working modes, Clean, Fuzz, power supply is 9V DC transformer (inside negative and outside positive)5. Basic Specifications: Input Is 1/4in Mono Audios Interface (impedance: 220k Ohms), Output Is 1/4in Mono Audios Interface (impedance: 1.4k Ohms)Specification:Item Type: Bass Filter PedalMaterial: MetalColour: SilverWorking Mode: 2 (Clean Fuzz)Input: 1/4in Mono Audios Jacks (Impedance: 220k Ohms)Output: 1/4in Mono Audios Jacks (Impedance: 1.4k Ohms)Power Supply: 9V DC Transformer (Inside Negative and Outside Positive)Working Current: 7mA.Package List:1 x Bass Filter Pedal1 x User Manual1 x Sticker