Double G0 Resonance Pickup for Electric Bass Guitar - Includes Preamplifier Coil Soundhole Pickup with Chorus, Delay, Reverb Effects System - Fits 96-104mm Sound-hole

Sound hole vibration pickup with reverberation, chorus and delay effect. Magnetic coil, volume, microphone, and phase independent adjustment. Ergonomic design, more humanized control. Using same frequency resonance system to amplifies guitar's sound 30~50%. Unplugged, with DSP reverberation effect.