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Kepma AcoustiFex® Preamp and Effects System (v.1 with removable Battery near the endpin jack)
Kepma AcoustiFex® K-10 Pickup, preamp & FX System with Bluetooth (featured on the K3-A AcoustiFex Models)
Kepma AcoustiFex® K-11 Preamp & Effects System w/Tuner (featured on the GA2-232A & M2-131A Models)
Kepma AcoustiFex GO Preamp and Effects System (Pickup and FX system for any guitar)
Kepma K1 Series Pickup & Preamp System (Featured on the K3 Series Guitars)