Model Information: The item is a Jac JT12D, a 12-inch professional coaxial speaker.Power & Impedance: It features a power handling capacity of 900W PGM (Program) and 1800W AES, with an impedance of 8 ohms.Technical Design: The speaker includes a 3-inch low-frequency (LF) voice coil and a 1.3-inch high-frequency (HF) voice coil.Application: It is suitable for professional audio applications such as home theaters or PA/DJ speakers.