Features: Equalizer pedal with true bypass designed for electric guitars. 7-band EQ slider, ±15dB adjustable gain range per band. 7 frequency centers: 63Hz, 125Hz, 250Hz, 500Hz, 1.0KHz, 2.2KHz, 5KHz. With one slider for adjusting the level of overall output. ON/OFF LED for indicating effects or bypass status. Full metal shell and compact size, durable and portable. Comes with a small pouch for convenient storage and carry.Specifications: Input: 1/4 monaural Jack(impedance 510K Ohms) Output: 1/4 monaural Jack (impedance 1K Ohms) Current Draw: 10mA Power Supply: DC 9V AC adapter (center minus plug) Item Size: 9.5 x 4 x 3.5cm / 3.7 x 1.6 x 1.4in Item Weight: 150g / 5.3ozNote: Power Adapter is not included.Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List: 1 x Guitar Equalizer Pedal 1 x User Manual (English Chinese) 1 x Pouch