Audison Prima AP 690 6x9" Car Midbass Woofer Parcel Shelf Door Speakers 100w RMSPrima AP 690 Woofer 300 W Peak Power 6 x 9 4 ohm Audison Prima Audison Prima was designed to meet the interest of the car model enthusiasts who like to appreciate all the nuances of the musical message with components that are perfectly integrated in the car OEM system, preserving the most precious Prima on Audison requirement of OEM integration: space. AP 690 is ideal for car models with doors equipped to house elliptical speakers. The R & amp; D