Professional audio, microphones and system integration
The Harmonai LD-350A is a professional 8-channel power sequencer with 30A capacity and 8000W total output. It features 8 controlled + 2 bypass outputs, 1-second per-channel delayed startup to prevent inrush current, air circuit breaker protection, AC voltage display, and supports up to 10 units in cascade — ideal for KTVs, conference rooms, and multi-function halls.
The Harmonai LD-328 is a professional power sequencer featuring 8 controllable outlets + 2 always-on outlets, 30A per channel, 1-second stepwise delay startup, 9-way universal sockets, leakage protection circuit breaker, and digital display — ideal for stage lighting, audio systems, and conference AV setups.
The ACT-802 lavalier wireless microphone operates in the UHF 615–695 MHz band with digital pilot tone and PLL frequency synthesis, delivering stable transmission up to 150 meters line-of-sight. Features cardioid condenser capsule, 100 Hz–18 kHz frequency response, SNR >100 dB(A), and supports up to 30 simultaneous units without interference.
The Harmonai ACT-804 is a professional UHF wireless headworn microphone system operating in the 615–695 MHz band with 200 selectable channels and support for up to 15 simultaneous units. Featuring cardioid condenser pickup, stable 150-meter transmission, digital pilot tone interference rejection, and an LCD display, it’s ideal for speeches, teaching, live performances, and conferences.
The Harmonai ACT-804 rectangular conference microphone features UHF digital pilot tone technology and a supercardioid condenser capsule, with an effective pickup distance of 50 cm and up to 150 m wireless transmission range. Supports up to 15 units simultaneously for professional conference environments.
Professional UHF wireless gooseneck conference microphone with digital pilot-tone FM modulation and PLL frequency synthesis, supercardioid condenser capsule, 200 selectable channels, 150 m transmission range, LCD display, and intelligent low-battery warning — ideal for medium-to-large conference rooms, lecture halls, and international conferences.
The Harmonai ACT-808 gooseneck conference microphone uses UHF wireless transmission with PLL frequency synthesis, supports 200 auto-switching channels, and delivers up to 150 meters of operating range. Its supercardioid condenser capsule ensures precise pickup, while the 40 cm adjustable gooseneck enables flexible placement — ideal for meeting rooms, auditoriums, and training spaces.
The Harmonai ACT-808 wireless lavalier microphone operates in the professional UHF 615–695 MHz band with PLL frequency synthesis, delivering up to 150 meters of interference-free transmission, 200 selectable channels, and support for up to five systems operating simultaneously without crosstalk.
The Harmonai ACT-808 is a professional UHF wireless handheld microphone featuring PLL frequency synthesis, 200-channel auto-scan, 615–695 MHz RF carrier, and up to 150 meters of stable line-of-sight transmission. Equipped with an LCD display and intelligent low-battery warning, its cardioid dynamic capsule ensures clear, natural sound for conferences, live performances, KTV, and more.
The Harmonai ACT-802 square-tube conference microphone operates in the UHF 610–780 MHz band with PLL frequency synthesis, features a supercardioid condenser column microphone and a 20 cm square-tube pickup boom, supports intelligent 200-channel selection and interference-free simultaneous use of up to 30 units — ideal for professional meeting rooms, auditoriums, and multi-function halls.
The Harmonai ACT-804 is a professional UHF wireless lavalier microphone system featuring PLL frequency synthesis, 200 selectable channels, and simultaneous operation of up to 15 units. With a condenser electret capsule, cardioid polar pattern, 150m transmission range, and SNR >100dB, it delivers clean, stable audio for conferences, lectures, teaching, and live streaming.
The Harmonai ACT-802 handheld wireless microphone operates in the UHF 615–695 MHz band with PLL frequency synthesis, offering 200 auto-scan channels and stable transmission up to 150 meters. Its cardioid dynamic capsule suppresses feedback and background noise, while dual LCD displays and low-battery warnings ensure reliable professional use.