Ovation Adamas 2088GT-5 12-String Acoustic-Electric Guitar, Black Features a unidirectional carbon-graphite suspended soundboard with Quintad bracing, which provides a bold, clear voice and lightning-fast response Each top is precisely fitted with "AST"-Adamas Suspended Top -technology that allows the ultra-thin top to vibrate more freely than traditionally constructed acoustic guitars Made from glass-microsphere impregnated Lyrachord composite, Ovation's Contour Bowl is designed to provide maximum acoustic response with the feel of a small-body instrument The OP-Pro Studio with XLR combines state-of-the-art audio quality with exclusive features designed to meet the needs of professional guitarists. The easy-to-operate unit offers 3-band EQ, exciter and compressor/limiter circuitry, and a chromatic tuner