Description Amuzik  Equalizer Pedal inclueds the frequency bands: 100Hz, 250Hz, 630Hz, 1.6 KHz, and 4 KHz. No matter what you want, like connecting to a full range pedals or just finely adjusting you tone, you can receive a master volume control of individual frequencies with complete precision from the Stax Equalizer pedal. It is specifically designed for the guitar players, and this five-band graphic EQ features a 18 dB adjustable gain range per band, which help the players to shape their sound over five specific frequencies in order to preventing feedback caused by additional distorting effects.Specifications: 1.Input: 1/4Monaural Jack (Impedance: 470K Ohms). 2.Output: 1/4”Monaural Jack (Impedance: 1K Ohms). 3.Power Supply: DC 9V (Plug polarity is Positive on the barrel and negative in the center 4.Working Current: 8mA. 5.Dimensions: 3.7””(D)*1.8””(W)*2.1””(H) 6.Weight: 8.6oz(With box).Package included: 1 x Amuzik EQ Pedal 1 x User Manual”