PROFICIENT AUDIO SYSTEMS AW830-BLACK 8" Indoor/Outdoor Speakers (Black) 175w 8" Polypropylene Woofers, 3" Graphite Midrange & 1" Pivoting Soft Dome Tweeters Imp: 4ohm Freq Resp: 35hz-20khz Weather-resistant Abs Housing & Powder-coated Aluminum Grilles