Packed with many new design features, the KC-600 updates the previous-generation KC-550, Roland's top-selling keyboard amp. The power has been increased to 200 watts, and the two-way speaker system features a newly designed 15-inch custom woofer for improved sound quality. In addition, the power section has been completely redesigned for better stability, enhanced bass reproduction, and reduced weight. With the KC-600's built-in mixer, you're able to connect a variety of stereo keyboards and ins