sa signature sub 8SA SIGNATURE SUB 8 COMPACT SUBWOOFER WITH DEEP, POWERFUL BASS SA Signature Sub 8 is a compact and elegant subwoofer that delivers impressive, high quality bass reproduction. This subwoofer is designed to complement the SA Signature series, but it works just as well in any system where precision, power, and depth in the bass are essential. With a specially developed 8 driver, a powerful amplifier, and an advanced design, Signature Sub 8 sets a new