Scosche HD4303 - 4" 3-Way Car Speakers (Pair): * 3-way design * Injection molded polypropylene cone * Durable rubber surround * 4 OHM impedance * 150W max (30W rated) * Oversized 6 oz trontium magnet * 1" copper-wound voicecoil * Designed for 2 or 4 hole factory mounting locations