Cherub GS-1 | Acoustic Guitar Onboard 4 Band EQ Phase Preamp
GS-1 is an acoustic guitar onboard preamp with 4 band EQ and Phase Reversal, which makes your performance easier. It has Low Battery alert to remind you to change new batteries. The compact size makes GS-1 easy to be installed into a guitar and its size is only 49mm*73mm*33mm.