Item Type: Guitar Pickup EQ <br> Material: Plastic + metal <br> Colour: Black <br> PRES Control: 12dB at 8KHz <br> BASS Control: 12dB at 600Hz <br> MIDD Control: 12dB at 600Hz <br> TREB Control: 12dB at 2.2KHz <br> Input Impedance: 10M <br> Frequency Response: 20Hz-20KHz <br> Power Supply: 9V alkaline battery (not included) <br> Suitable for acoustic guitar. <br> Size of Plug Cable: Approx. 2.5mm / 0.1in<br> 1This guitar pickup EQ is pre-wired for easy assembly without other requirement<br> 2Professional pickup EQ support BASS, MIDD, TREB, PRES 4 band plus volume control<br> 3Equipped with battery box, can hold batteries, which guarantee a long running time<br> 4Come with 2.5mm plug cable and low battery indicator, suitable for classic, acoustic, folk guitars<br> 5Made of high class material with good quality, durable for a long service life1 x Guitar Pickup EQ1 x Cable1 x Suction Cup1 x Thin Belt1 x Nut1 x Gasket4 x ScrewPlease note that the type and old type of this product will be sent randomly, and make sure you will not mind before ordering.