The pinciple behind the Ghost Hexpander Pickup System is simple but the results are truly amazing. A modular hexaphonic pickup system featuring unparalleled tracking in an easy to install package. The Hexpander pre-amp features a proprietary harmonic dampening system that results in tracking that is unequalled by any other system on the market today, with responsive and accurate triggering. No more dead spots. No need to slow your playing so that your system can keep up! Modular design piggybacks onto the Acousti-Phonic Pre-Amp, or can be used as a stand-alone system. Includes 13-pin hexaphonic output jack, face plate and wiring harnesses.