BOSS Audio Systems P69.4C Phantom Series 6 x 9 Inch Car Door Speakers - 800 Watts (Pair), 4 Way, Full Range, Tweeters, Coaxial, Sold in Pairs, Hook Up to Stereo and Amplifier

For maximum strength in speaker construction, nothing compares to a die-cast aluminum frame. The Electroplate Injection Cones (EIC) coupled with our rigid die-cast construction offer you the best sound quality, linear travel, and constructive durability in the industry today. The PHANTOM 4-way speaker systems are designed to be the very best.