The black Yamaha APX is an acoustic/electric steel-string guitar that features a thinline, cutaway body designed for comfort, easy top-fret access, and a sound ideally suited to on-stage use across a variety of musical styles. It also features a piezo pickup, 3-band EQ, and a built-in chromatic tuner. The guitar's sound can be described as bright, with clear mids, balanced highs, and controlled lows.