Professional hanging and rolling line array speakers, flat panel displays, advertising light boxes and other heavy-duty audio-visual equipment, with a variety of audio and video transmission signal lines and high-power power lines, wireless remote control, with RS485 central control interface, double-chain synchronous hoisting structure Anti-rotation, multiple limit adjustment.

Installable cables: HDMI, Category 6 network cable, AV audio cable, speaker cable, 220V power cable;

Gear (transmission): Precise helical helical gear transmission, with two-way chain output mechanism, the operating noise under full load is as low as 68 decibels;

A variety of control methods: weak point dry contact, RS485, wireless remote control;

Braking system: heavy-duty DC electromagnetic brake, safe and durable;

Encoder: The built-in encoder can set the ideal stroke at will;