The Same Frequency Trans guitar preamplifier is an innovative masterpiece that comes with a transmission device, designed to drive the guitar body to phonate and deliver a more resonant, solid and dynamic sound. The system picks up guitar sound during play and drives the guitar body through the custom transmission device. Additionally, this preamp is equipped with a DOUBLE reverb effect module for innovative sound creation and a BT connection function for playing with background music from your mobile phone. It features a dual-pickup system with a piezo pickup and microphone, for detailed play interpretation, extensity and dynamic sound amplification. Made of durable ABS material, it runs on a 2000mAh rechargeable battery and weighs only 207g/7.30oz. The package includes 1 Pickup, 1 End-Pin Jack, 1 Vibrating Horn, 1 Pickup Wire, 1 Type-Cable and 2 Clips. Note that this is an onboard preamp requiring hole openings for system installation and microphone use requires connection to a speaker for effectiveness.