The Yamaha TransAcoustic guitar recreates an incredible experience without needing any external amplification or effects, just the guitar itself. With built-in reverb and chorus at your fingertips, it's the most inspiring, engaging acoustic guitar you'll ever play. Traditional western body Solid spruce top Mahogany back and sides Amazing sounding reverb/chorus built into the guitar with no need for external amplification or effects New scalloped bracing for louder, richer acoustic sound