??5-Band Graphic EQWith master level control,18db adjustable gain range per band.??Frequency Centers62.5hz, 125hz, 500hz, 1khz, 4khz, meet common frequency band requirements??Clear Sound No noise. Volume knob for flexible volume adjustment.??Easy CarryThis Equalizer pedal has a small body, light weight,suitable for out side gigs,powered by a 9V adapter (not included inthis package)??Solid QualityTrue bypass provide transparent tone, durable andsturdy.If you receive an unsatisfactory product, please contact us for asolution.Product descriptionColor:Bass EQStax is a professional manufacturer of guitar pedaleffects. If you receive an unsatisfactory product, please contact us fora solution.BASS-EQ??Smallest Bass graphic equalizer pedal in the world??5-Band Graphic EQ with master level control??Frequency Centers: 62.5Hz, 125Hz, 500Hz, 1kHz, 4kHz??18dB adjustable gain range per band??ZInc Alloy metal shell??Very small and exquisite??True bypassSpecificationsSpecifications:Model: Bass EQColor: SliverMaterial: Zinc AlloyInput: 1/4 monaural jack (impedance: 1M Ohms)Output: 1/4 monaural jack (impedance: 10k Ohms)Power Supply: AC adapter 9V (Adapter not includedItem : 9.5*3.8*5.2cm / 3.7*1.5* 2inItem Weight: 248g / 8.8ozPackaging:1X Bass EQ Pedal1X User Manual1X Packing BoxPrecautions:The power adapter is not included.Do not use the pedal in high temperature, high humidity, or subzero environments.Do not use the pedal in the direct sunlight.Please do not dissemble the pedal by yourself.