For both bass and guitar, covering the common 4-string, 5-string bass and 6-string, 7-string guitars,Independent 10-band EQ that settings from 31.25Hz all the way up to 16kHz With independent output volume adjustment on the right side,Low power consumption current supply.All aluminum metal shell, durable and sturdy, lightweight and compact True Bypass.Deliver a transparent tone. During transmission, the signal remains fully intact, passing through the effects pedal with no popping, buzzing or electric noise 12 dB Boost/Cut Range.Sliders for output level/EQ level control, ±12 dB adjustable gain range for each band Equipped with a non slip silicone pad, easy to install, making the effect pedal non shifting and anti slip during performance NOTICE: Power Adapter NOT included ASIN B0DFVJVKTR Color Blue Style 10-band equalizer pedal Voltage 9 Volts (DC) Amperage 300 Milliamps Brand Name EROK Manufacturer EROK Model Number EK-AN-40 Power Source Corded Electric Controls Type Knob Signal Format Analog Connector Type 1/4 inch audio jack Hardware Interface 1/4-inch Audio Audio Output Effects Equalization Warranty Description None. Manufacturer Part Number EK-AN-40