◆ full frequency full frequency inverted professional box design speaker with built-in frequency divider

◆ twelve 4.5-inch full range speakers

◆ powerful midrange and high-definition, sweet high pitch are suitable for multi-functional hall, meeting, station, airport, stadium, teaching and other places

◆ the solid honeycomb shaped steel mesh protects the horn from the impact of external force, and the outer pasted cotton is dust-proof and beautiful

◆ the box is made of high-density plywood

◆ acoustic shock absorber to improve safety and sound quality

◆ natural balance of timbre