2) Pyle PLPW10D 10" 2000W Car Subwoofer Audio Subs DVC 4 Ohm + Ported Vented Box

ThePyle PLPW10D subwoofers will push your audio to the MAX! This 10" small enclosure unit will add extra punch to your low end and give you that huge sound you want. heavy duty magnet, pushing 1,000 watt (2000W per pair) MAX power.

eBay