Input Power
AC 220V/50Hz, 30A
Professional audio, microphones and system integration

The Harmonai LD-328 is a professional-grade power sequencer designed for high-power applications such as stage lighting, audio systems, and conference equipment. It provides 8 controllable power outlets and 2 always-on outlets, totaling 9 multifunctional universal sockets. Each outlet supports a rated output current of 30A and features 1-second stepwise delayed startup, effectively preventing grid surges caused by simultaneous device power-on. Each output channel includes an independent digital display for real-time status monitoring. Built-in leakage protection circuit breaker and reinforced high-power wiring ensure safe, stable operation.
AC 220V/50Hz, 30A
AC 220V/50Hz
8 channels
2 channels
1 second
Independent digital display per channel
Manual power switch control
30A
9 multifunctional universal sockets
Leakage protection circuit breaker
Reinforced high-power wiring
Ideal for stage lighting systems, professional audio equipment, conference room AV systems, live performance equipment racks, broadcast studio power management, KTV and bar audio/lighting control, and centralized power supply for exhibition and display equipment — all scenarios requiring safe, orderly power sequencing.
Explore the full range of Harmonai professional audio and lighting equipment — contact us for customized solutions and quotations.