Kawai GX-2 grand piano in polished ebonyIntroducing the Kawai GX 2 Grand Piano The Kawai GX 2 measures 5'10 in length which is a great domestic size small enough to fit but large enough to produce a noticeably richer and more resonant tone than a smaller baby grand, particularly in the bass and tenor registers. A wonderful choice for the home and equally suited to the smaller school hall or performance space, the 180cm GX 2 has very similar dimensions to the Boston GP178, Steinway Model O