1Set Yootones Guitar Pickup 4 Band EQ-7545R Preamp Amplifier Equalizer Tuner Compatible with Acoustic Guitars

4-Band equalizer is compatible with standard acoustic and cigar box guitars. 4-Band equalizer is made of high quality metal and plastic, rugged and durable, easy to install. 4-Band equalizer can push bass/middle/treble to adjust frequency. It helps to modify and perfect the sound. The pre-wiring is easy to assemble and includes a 2.5 mm plug connection cable. Package include: 1pcs 4-Band Equalizer, 1pcs Guitar Endpin Jack, 1pcs Gasket, 1pcs Mounting Base with Sticker, 2 pcs Nuts, 4 pcs Screws, 1pcs Cable Tie.