The Behringer Ultratone KXD12 PA System/Keyboard Amplifier excels as an extraordinarily-versatile keyboard and drum amplifier as well as a high-quality 4-channel Public Address (PA) system with a world-class 1-inch Turbosound Speaker in one compact and easy-to-transport package. With true bi-amping amplifier design the KXD12 provides dedicated power to the LF and HF drivers for an exceptional sonic performance along with Class-D amplifier technology. An integrated KLARK TEKNIK FX processor offers 100 presets such as reverb and chorus for excellent sound shaping whilst the innovative feedback detection system erases unwanted noise.