The Audison AP 690 is an elliptical woofer from the Prima series, designed to bring deep, impactful bass to your vehicle's audio system. With a nominal diameter of 6x9 inches and a power handling capacity of 100W continuous (peaking at 300W), it balances strength with a high sensitivity of 95 dB, ensuring efficient performance even with modest amplification. Its frequency response ranges from 40 Hz to 5 kHz, allowing it to handle the heavy lifting of the lower spectrum while blending smoothly with higher-frequency drivers. Built for durability and precision, the speaker features a water-repellent pressed cellulose paper cone with a curvilinear profile and a triple wave surround that reduces bending oscillations for cleaner sound. A 25 mm pure copper voice coil is driven by a high-density flux ferrite magnet, all held within a compact basket coated to resist abrasions and scratches. Measuring 238 mm by 222 mm with a depth of 86 mm, this unit is specifically engineered to fit under factory protective grilles, though these grilles are not included. This woofer is an ideal choice for those building an active system, pairing effectively as part of a 2-way setup with AP 2 wide range drivers or a 3-way configuration alongside AP 4 midrange and AP 1 tweeters. To get the most out of its technical capabilities, it is optimized for use with Audison processor amplifiers, particularly those in the Prima Forza series.