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, and portable. Comes with a small pouch for convenient storage and carry. Input:1/4inch monaural Jack(impedance 510K Ohms) Output:1/4inch monaural Jack (impedance 1K Ohms) Current Draw:10mA Power Supply:DC 9V AC adapter (center minus plug) Item Weight:150g/5.3oz Note: 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. Color:As Shown Material:Aluminum Alloy Size:9.5x4x3.5cm/3.7x1.6x1.4in Package Contents: 1 * Electric Guitar Effect Pedal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.