JL Audio 10TW1 2 10" 300 Watt 2 Ohm Component Subwoofer #92188 (10TW12) kd65x77l Trueplay tuning technology adapts the 3S 4Z Trueplay tuning technology adapts the sound for the unique acoustics of your space so content always sounds just the way it should on the Sonos Ray soundbar The Alpine S2 S69 S Series 6"x9" Coaxial 2 Way Car Speakers are a game changer in the world of car audio TW1 motors remain linear in motor force over an extreme range of excursion and also maintain a highly stable fixed magnetic field in the gap over a wide power range This permits placing the large motor structure much further forward in the speaker than with conventional designs