MSR800W 800-watt Powered Subwoofer is an Ideal Match for the MSR400 ? Or Any Other System In keeping with the MSR "brawn and beauty" design philosophy: sophisticated design and powerful sound. Powerful sub-bass at up to 800 watts from a 15-inch woofer and bass reflex enclosure. Thru and bypass outputs for flexible system integration. Variable 80 to 100 Hz high-pass filter. Peak LED provides a visual indication of input overload. * รับประกันคุณภาพสินค้า 1 ปี *