The 12 "* 1,3" * 2 full frequency box, the bass speaker is a specially designed high-power unit, with a demodulation and heat dissipation aluminum short-circuit ring built in, which can effectively eliminate distortion. The efficient 3-inch paper cone tweeter unit realizes better high frequency response. The inner box structure carrying the tweeter unit adopts a unique V-shaped design and a unique back guide phase hole design. The high frequency is fine and clear, the mid frequency is wide and thick, and the bass is full, strong and powerful.