Ibanez PNB14EOPN Performance Acoustic Bass with AEQ-2T Preamp - Open PoreBig Value in a Compact Acoustic electric Bass Have you been looking for a quality 4 string acoustic electric bass that wont break the bank? The Ibanez PNB14E is all about the warmth of okoume, and it delivers big value. With its okoume top, back, and sides, this instrument projects warm, balanced tone thats in its element at home, onstage, or in the studio. And when you plug in onstage, the onboard Ibanez electronics deliver that same great tone.