SE3P features a pre-wired balance control, master volume, Bass and treble on separate potentiometers with the mid band control and Frequency Range Shift on one Concentric Pot. Each control pot is designed to connect to PCB by a connector, which make SE3P installation easier and versatile. High Impedance Input design can match with any Active and Passive Pickup and also Low Impedance Output will keep the same tone from your guitar to any amplifier system without losing high frequency response. Using advanced Surface Mount Technology could reduce unwanted sound (Noise) while increasing sound quality and it's reliability. Artec guarantees a virtually noiseless sound with long 9 V battery life.