Scosche HD5253 - 5.25" 3-Way Car Speakers (Pair): * 3-way design * Injection molded polypropylene cone * Durable rubber surround * 4 OHM impedance * Oversized 10 oz strontium magnet * 1" copper-wound voicecoil * 200W max (40W rated) * 35 HZ-20KHZ (-20 DB) frequency response