Amazon.com: APK 690 Systems are Ideal for car Models with Doors Equipped to House Elliptical Speakers, Featuring 6×9 in. woofers and AP 1 Tweeter with Dedicated crossovers APCX TW 690. : Electronics
Amazon.com: Audison APX 6.5 : Electronics
Prima AP 690 Woofer - AUDISON 6x9" 100W RMS Speakers System PAIR Active Woofer