The PDK-CK12 is a high-performance two-way full-range loudspeaker system designed for KTV room sound reinforcement applications. Its 12-inch woofer is equipped with a 3-inch sandwich-structured double-layer copper voice coil and a GBF voice coil former. The high-frequency driver features a 2-inch annular polyester diaphragm, a double-layer copper-clad aluminum wire voice coil, and a 4-inch magnetic circuit. The horn of the high-frequency driver can be rotated by 90 degrees, allowing for either horizontal or vertical installation based on the on-site requirements.