Unknown MB Quart XT1-20 0.75" 15W RMS X-Line Titanium Dome Tweeter with 12dB in-Line Crossover, Black : Electronics - Amazon.com
Amazon.com: MB Quart FKB116 Formula Car Speakers (Black, Pair) – 6.5 Inch Coaxial Speakers, 60 Watt, 3-Way Car Audio, Internal Crossover, 1 Inch Tweeters (Grills Not Included) : Electronics
Amazon.com: MB Quart ZK1-116 Z-Line Car Speakers (Black, Pair) – 6.5 Inch Coaxial Speaker System, 120 Watt, 2-Way Car Audio, Ceramic Coated Titanium Dome Tweeter, 4 OHMS : Electronics