professional audio setup appears to be a C-MARK Line Array System These systems typically consist of multiple full-range speaker modules stacked atop a high-output subwoofer. Depending on the specific model size (mini vs. large), here are the typical technical specifications for common C-MARK U.S.A . configurations:Full-Range Module (Top Speakers)Commonly based on models like the M25A. Drivers: Dual 5" Low-Frequency (LF) drivers with a 1.75" Titanium diaphragm High-Frequency (HF) driver. Power Handling: 320w per cabinet. ( 4 cabinets ) Frequency Response: Approximately 100Hz – 20KHz. Max SPL: Typically around 120dB. Dispersion: 100° Horizontal; Vertical angle is adjustable (typically 0°–12°) based on array curvature. Subwoofer Module (Bottom Unit)Commonly based on models like the M115A:Driver: 15" high-excursion subwoofer. 1600w Powe ...