1,[Versatile Guitar Pickup Preamp] This guitar pickup preamp features volume, tone shaping, and phase switch controls for customized sound adjustments. 2,[Built in Tuner] The guitar pickup EQ equalizer is equipped with onboard easy to read 7 segment LED tuner for quick and accurate tuning at a glance. 3,[Enhanced Tone Shaping] The bass and treble controls allow for precise adjustments to shape tone effectively, enhancing performance. 4,[Low Battery Indicator] The guitar preamp has a low battery indicator to alert you when the battery needs replacement. 5,[Pre Wired Pickup] Designed for easy installation, the preamp is pre wired for Sonicore pickup, eliminating the need for soldering and ensuring convenient setup. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia