Yamaha APX500III Thinline Cutaway Acoustic-Electric Guitar - Black The APX series places emphasis on playability with a stylish thin profile that fits the performing musicians body. One of the worlds most widely sold acoustic-electric guitar, the Yamaha APX500II Thinline Cutaway Acoustic-Electric Guitar has been revamped and refined for a whole new generation of acoustic rockers. The APX500II series now offers new exciting colors, upgraded pickup/preamp and exceptional playability. This APX shines on stage. With its ultra-comfortable thin-line body and slim, fast neck the transition from electric guitar could not be easier. All-new color variations and updated inlays make sure APX looks as good as it sounds. APX Soundhole: Oval The instantly recognizable APX soundhole thickens lower-mid response and gives a more strident, open low end. APX Body Depth: 80-90mm (3 1/8â€ - 3 9/16â€) APXâ€™s thin-line body combines incredible comfort, easy top-fret access and a sound perfectly suited to on-stage use with bright, clear mids, balanced highs and controlled lows. Specially designed non-scalloped X-type bracing allows the guitarâ€™s top to sing and maximizes the resonance of the unique body shape for a full, natural tone. With dynamics, sensitivity and clarity built into the design from day one, APX is a guitar not to be underestimated. Under-Saddle Pickup System Controls for the under bridge mounted piezo pickup are mounted on the instrumentâ€™s side for optimum access. The battery compartment is also located on the side, close to the neck, to provide easy replacement. System 65 System 65 features an under-saddle piezo pickup developed by Yamaha. Controls include a 3-band equalizer, an adjustable mid-range frequency control, and a precision chromatic tuner for optimum sound tailoring. The system is powered by easy to obtain AA-size batteries that provide a stable power supply for improved sound quality.