This series is our latest designed and developed active home subwoofer with black PVC covering and attractive appearance. The subwoofers are equipped with high-power and deep excursion woofer that is bringing powerful bass after professional debugging. The subwoofer is coming with built-in high efficiency amplifier with a variety of input and output connectors, which is more convenient to connect with other devices to play, also will not have the problem of lack of bass as other normal home subwoofer.