Designed to provide deep, heart-thumping bass for any venue, the Proreck dual 15 inch subwoofer box will upgrade your audio system. This twin 15-inch subwoofer box provides unparalleled low-frequency performance for a concert, club, or outdoor event, so enveloping your area with rich sound. Having more than ten years of industry knowledge, Proreck is a reputable brand both domestically and internationally known for manufacturing premium audio equipment at shockingly reasonable rates. Every dual 15-inch subwoofer box is thoroughly tested for quality to guarantee dependability and lifetime. Supported by a professional team and large-scale manufacturing, Proreck presents strong sound solutions meant to improve every music experience at reasonable prices.