FOCAL R-300S 12" 4ohm 600W Auditor Subwoofer  (Passive , RMS Power: 600 W)

Focal's Auditor Series R-300S subwoofer is an excellent choice if you're upgrading your system on a budget. Paired with Auditor Series coaxial or component speakers, you won't spend too much cash, but your new listening experience will make you feel like a millionaire. This sub's durable polypropylene cone and butyl rubber surround will endure the ravages of heavy bass output, while delivering powerfully precise low notes, thump after thickety-thump. Focal used a special design that maximizes ventilation inside the sub so that heat is properly dispersed during extended use. Match this sub with a sealed or ported enclosure, feed it up to 300 watts RMS, and you'll be bass rich for years to come. R-300S To drive this single subwoofer, suggested mono amplifier rated between 225 and 450 watts RMS at 4 ohms.