GS-3    /     EQ Preamp System    /    Acoustic Guitar Preamp

GS-3 is an acoustic guitar onboard preamp that has 4 band EQ, Phase Reversal and a built-in chromatic tuner with high definition LCD display. It has Low Battery alert to remind you to change new batteries. GS-3 is easy to be installed into a guitar and its size is only 55mm*92mm*33mm.
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GS-3 Video

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01GS-3 User Manualdocuments.pdf2018-05-30