Acoustic Guitar 4-Band EQ Equalizer Preamp Piezo Pickup Tuner with LCD Display-Support Wholesale

Function :4Band EQ with LCD tuner Input impedance: 10MΩ Frequency Response: 20Hz------20KHz PRESENCE:+/-12dB at 10KHz TREBLE:+/-12dB at 2.2KHz MIDDLE: +/-12dB at 650Hz BASS: +/-12dB at 60Hz Master Volume Automatic low Batt-check LED Balanced and Unbalanced output jack Orange backlight for LCD tuner color: black Application: suit for guitar Package include:1 x 4 Band EQ Equalizer1 x Piezo Pickup Line8 x Mounting screws1 x Battery box Note: without batteries