LT-215AS is a high-power three channel portable active dual fifteen subwoofer with DSP. It has a compact exterior structure and strong power, making it suitable for occasions with high sound amplification requirements. Its dynamic effect is full and soft, with full low-frequency and strong surround feeling, which can stretch and expand its expressive power. Factory preset perfect parameters, equipped with professional customized aviation boxes, easy to transport and install, can be used with 2 LT-110 supports, or stacked with 4 LT-110, or hung together with 8 LT-110.

LT-110 is a compact high-power vertical linear array speaker that uses a low loss directional waveguide horn to form a 120 degree phase correspondence with the low frequency, allowing the concentrated transmission of mid to high frequency sound pressure to the farthest distance. The LT-110 linear speaker has clear sound, natural vocals, and strong mid-range penetration. Each box has an adjustable angle of 0-10 degrees between them, designed with a convenient hanging installation system, and can stack 2-4 boxes directly on top of the subwoofer for use. It can be paired with an active double fifteen subwoofer or a passive single eighteen subwoofer to meet the sound amplification needs of different performance activities. The installation method uses matching professional support frames, customized hangers, multiple stacking and customized hanging devices to meet the installation requirements of different places.