(2) DD Audio Sl608-d4 8 Slim Shallow 600w Dual 4-ohm Subwoofers Bass Speakers

  

SL608-D4 - DD Audio Digital Designs 8 Shallow Dual 4-Ohm 600W Subwoofers. The SL600 Series subwoofers that give you the bass you want, in almost any space you want to put it.