[2 bands EQ equalizer]Enhance the sound quality of your acoustic guitar with this 2 bands EQ equalizer. It allows you to easily adjust the tone and volume of your guitar for optimal performance. [Easy to use]Simply plug the EQ into your amp, bass amp, or other recording equipment, and you're ready to play. No complicated setup or installation required. [Powerful performance]This EQ requires only 1x 9V battery(not included) to deliver powerful performance. It ensures a consistent and clear sound output, eliminating external noise interference and minimizing the of sound reflections from nearby objects. Part Name: Guitar Pickups Preamp EQ Tuner Piezo Equalizer Size: LxW: . 69x45mm/2.72x1.77inch Colour:black Material:plastic Package Contents: 1 * Guitar pickup 1 * Adapter cable 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.