JA Audios JA-SS10 designed for accurate reproduction of bass and sub-bass frequencies. With its 10" Long-Throw woofer in the down-firing position, it is the perfect low frequency solution to mid to large sized home theaters. Includes a built in 120 Watt amplifier and a max power rating of 200 watts giving you the power to reproduce big bass without loosing warmth and depth. JA Audio is the next name in Home Audio and will not disappoint. Guaranteed.