Light Source Configuration
Four 50W COB LEDs (two cool white, two warm white); 60,000–100,000-hour lifespan
Professional audio, microphones and system integration

Harmonai QY-B450 Quad-COB Ultra-Thin PAR Light is a professional LED PAR light engineered for stage lighting and commercial set design. Its chassis houses four 50W COB high-brightness LEDs (two cool white, two warm white), delivering an exceptional 60,000–100,000-hour lifespan. It supports 0–100% electronic stepless dimming with no color shift across the entire range, ensuring precise, pure brightness at every level. The 1–13Hz high-speed strobe effect operates in both white-light and color-changing modes, instantly intensifying on-site atmosphere. Built on the professional USITT DMX-512 protocol, it offers 8-channel fine-grained control and supports multiple operation modes: DMX console control, auto-run, master–slave synchronization, standalone auto-program, and sound activation. Its ultra-thin, compact body enables effortless installation with minimal spatial footprint — making it the ideal lighting solution for bars, live streaming studios, stage performances, weddings, and banquets.
Four 50W COB LEDs (two cool white, two warm white); 60,000–100,000-hour lifespan
0–100% electronic stepless dimming (no color shift), adjustable 1–13Hz high-speed strobe
USITT DMX-512, 8 channels
DMX console / Auto-trigger / Master–slave sync / Standalone auto-run / Sound activation
3-pin XLR (input/output)
AC 90–250V, 47–63Hz
Max ambient temperature: 40°C; Max fixture surface temperature: 60°C
QY-B450
Widely suited for bars, KTV venues, live streaming studios, small-scale performances, weddings and banquets, commercial events, and parties. Supports synchronized multi-unit master–slave linking — enabling immersive lighting matrices when deployed in multiples. The sound-activated mode makes lights pulse rhythmically to music, making it a powerful tool for parties and Livehouse ambiance creation.
For detailed product information or bulk procurement solutions, contact the Harmonai professional team for personalized lighting design consultation.