Boss Audio CH6CK - CHAOS EXTREME 350 Watt 6.5" Component Car Speakers - PAIR: * (2) 6.5" midranges with speaker grills * (2) 1" tweeters with mounting kit * (2) passive crossover networks * Power handling, peak: 350 watts * Magnet structure: 20 oz * Impedance: 4 ohm * Frequency response: 60 Hz 20 kHz * SPL 1 watt/1 meter: 92 dB * Cone material: poly injection * Voice coil: 1" neodymium * Tweeter: 1" polyimide dome