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 * 4 * 3.5cm / 3.7 * 1.6 * 1.4in 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. Package List: 1 * Guitar Equalizer Pedal 1 * User Manual (English & Chinese) 1 * Pouch