ST-121CF is a high-performance stage monitoring speaker with a built-in two-way two unit structure, providing a frequency range of 60Hz-18kHz. It consists of a 12 inch low-frequency and a 1.75-inch high-frequency compression unit, using customized unit and waveguide technology. Its constant directional diffusion angle of 90 ° x 60 ° can accurately cover the stage area, and the monitoring angle is matched with two angles of 55 °/20 °. ST-121CF can also serve as a powerful supplementary sound system. The bottom has rubber feet to provide anti slip function.

Application locations: distributed systems, cruise ships, concert halls, theaters, performances, etc.