The muscular Monitor MRW-10 powered subwoofer, combined with the CS140 features a proprietary 4-inch MMP II cone and a pivoting version of our acclaimed C-CAM Gold Dome tweeter, SoundFrame 3 On-Wall with a 2-way configuration with a pivoting 1-inch tweeter module and a 4-inch C-CAM driver, and the Yamaha RX-V4A