Features:Mini equalizer pedal with true bypass designed for guitar.Beautiful appearance and exquisite design7-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.Aluminum alloy body, durable and sturdy.High quality can be used for a long time.Any problems, feel free to contact us. Honor to serve youSpecifications:Model: EQ7Input: 1/4" Monaural Jack (Impedance: 510K Ohms)Output: 1/4" Monaural Jack (Impedance: 1K Ohms)Power Supply: DC 9VWorking Current: 10mAItem Size: 4 * 9.5 * 3.5cm / 1.6 * 3.7 * 1.4inItem Weight: 154g/ 5.4ozPackage Size: 12 * 7.6 * 5.2cmPackage Weight: 167.8gPackage List:1 * Guitar Equalizer Pedal1 * User Manual (English & Chinese)Note:Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.