BOSS Audio Systems P69.4C Phantom Series 6 x 9 Inch Car Door Speakers - 800 Watts (Pair), 4 Way, 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. Frequency Response: 40Hz to 20khz.Sensitivity: 95 dB @ 1 watt/1 meter.Electroplate Injection Cone; Rubber Surround, Cast Basket, 1-1nch Voice Coil.Tweeter: .75-inch piezo; Midrange: 2-inch Polyimide.