BOSS AUDIO CH6552  Chaos Exxtreme 6.5" 2-way 200-watt  Full Range Speakers Full Range 6.5" 2-way Speaker Pair 200 Watts MAX 100 Watts RMS Power Handling per Pair 100 Hz to 18 kHz Frequency Response and 90dB Sensitivity Poly Injection Woofer Cone and Rubber Surround 1 Tweeter Per Speaker 3 Year Platinum Dealer Warranty 6.5-Inch 2-WAY SPEAKER DUO-FIT SPEAKER REPLACES EXISTING 5-1/4-Inch SPEAKER POWER HANDLING, PEAK 200 Watts; MAGNET STRUCTURE, 30 OZ IMPEDANCE, 4 OHM; FREQUENCY RESPONSE, 100 Hz  18 kHz SPL 1 WATT/1 METER, 90 dB; CONE MATERIAL, POLY INJECTION VOICE COIL, 1-Inch ALUMINUM; TWEETER, 1-Inch POLYIMIDE CONE