LT-715A is a single fifteen inch active high-power subwoofer with a compact exterior structure and strong power, 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. The installation method can be customized with professional hanging devices, which can be stacked 1-2 times with RT-803 or RT-403, or supported by branches for use. Alternatively, it can be used in conjunction with the LT-715 passive subwoofer. One LT-715A can be used with one LT-715 passive subwoofer and two RT-803 or RT-403.

RT-403 is a high-performance five unit professional line column system with a stylish appearance and a compact and unique design. The mid-range dynamic effect of the speaker is easy and effortless, with delicate and sweet high notes, reproducing classic scenes. It can be paired with an active single 15 inch subwoofer LT-715A or an active single 12 inch subwoofer LT-712A to meet the sound amplification needs of different performance activities. The installation method uses standard hanging devices such as professional wall frames, 506 hangers, L-shaped frames, and M8 sheep horn rings, which can meet the installation requirements of different places.