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

◆ a 15 inch woofer

◆ four 6.5-inch midrange loudspeakers and two 1.7-inch voice coil loudspeakers

◆ thick bass and high-definition, sweet tone, suitable for multi-functional hall, meeting, background music, theater surround, lip tonic and other places

◆ the solid honeycomb shaped steel mesh protects the horn from external impact, 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