■ 2-way full range vented loudspeaker system, bi-amplified. ■ Two 15" mid-low high powerful loudspeaker with 4" voice coil ■ One compressive driver with 1" throat and 1.8" voice coil. ■ The special horn, 60°horizontal and 40°vertical covering angle, fitting for middle/long distance sound reinforcement. ■ Firm grille with perforated hexagon steel protecting the loudspeaker from outside force impact. ■ The enclosure uses high-density plywood and firm finish to protect it from friction and collision. ■ Acoustics buffer, high safety and sound quality ■ Trapeziform exterior design, convenient for fitting together as the loudspeaker array. ■ 12 hanging points, easy to install. ■ LF is strong, MF is energetic, the HF is clear, bright ,and nature. ■ Used as main loudspeaker in human voice and music sound reinforcement middle/small system. ■ Combining with DR68 series subwoofer, working in the small/middle scale sound reinforcement system, such as showplace, hall, flowing performance and entertainment.