Product Overview

LD-330 Professional Power Sequencer, manufactured by Harmonai, is a dedicated power management device engineered for stage lighting, audio systems, and conference equipment. It supports 8 controllable power outlets and 1 always-on outlet, with a per-channel rated current of up to 30A, ensuring safe and stable operation of high-power devices.

The unit employs 1-second delayed sequential control to prevent inrush current surges caused by simultaneous startup of multiple devices—effectively protecting sensitive gear such as audio amplifiers and lighting controllers. Each output channel features an independent digital display for real-time monitoring of power status, enabling intuitive and transparent power management.

Typical Applications

The LD-330 power sequencer is widely used in live stage productions, theater lighting, conference room sound reinforcement, recording studios, KTV venues, and exhibition displays—any environment requiring centralized, multi-device power management. Its sequential startup function safeguards amplifiers and lighting controllers, extending equipment lifespan and making it the ideal power management solution for professional audio and lighting installations.