Scosche HD6503 - 6.5" 3-Way Car Speakers (Pair): * 3-way design * Injection molded polypropylene cone * Durable rubber surround * 4 OHM impedance * Oversized 13 oz strontium magnet * 1" copper-wound voicecoil * 250W max (50W rated) * 30HZ-20KHZ (-20 DB) frequency response * 6.5" car speakers work in most vehicles and trucks