SUB250 is a dual 15-inch subwoofer.The woofer uses aluminum cone frame and large-diameter imported voice coil design, which has the features of sufficient power, high power and high sensitivity.The heat dissipation function of the woofer is designed to quickly dissipate the heat generated by the voice coil to ensure that the stability under large dynamic for a long time. Cabinet uses high-quality plywood and the surface is coated by PU point-paint finishing.The design of the refractive cabinet greatly increase the power and amplitude strength tolerance of the bass and improve the conversion efficiency of the low frequency. With a small distortion of the large sound pressure level, it can output high sensitivity, deeper and powerful low frequency, which is the ideal partner for sound reinforcement equipment.