Acoustic Audio AA63XT 600 Watt Pair 6.5" 3-Way Full Range Car Speakers Acoustic Audio XT Series AA63XT Pair 6.5" 3-Way Full Range Speakers 600 Watts Total Power Handling (Pair) / 300 Watts Total Power Handling (Each) 6.5" Impact Resistant Polypropylene Woofer Cone with 1" Piezoelectric High Compression Driver with Wide Dispersion Horn Fiberglass Injected Butyl Rubber Surround Digitally Perfected Porting System Specifically Matched to Subwoofer Parameters