Atlantic Technology 920-LR-S 2-Way Satellite Speaker, Black (Single) Single black 2-way satellite speaker designed for smaller rooms such as bedrooms or dens 4-inch graphite-loaded homopolymer woofer and 1-inch ferrofluid-cooled soft dome tweeter Responds cleanly down to 100 Hz--the critical frequency for proper subwoofer blending Acoustically inert MDF enclosure; magnetically shielded against video interference 10 to 100 watts RMS power handling; 5.8 x 8.5 x 6 inches (W x H x D); 90-day warranty