Alpine R2-S65 Next-Generation R-Series 6-1/2" 2-way car speakers 1003 and 2 woofer grilles

and 2 woofer grilles

The CompRT 10-inch Subwoofer is an all-weather thin subwoofer with a pair of 2-Ohm voice coils

The Power T500-1bdCP is a 500 Watt mono amplifier featuring Constant Power delivering up to 25% more power across all impedance loads

you'll need PAC's MS-FRD1 adapter to maintain that functionality

Use two amps in Power-Sync mode for a whopping 5

Alpine R2-S65 Next-Generation R-Series 6-1/2" 2-way car speakers 1003 and 2 woofer grillesProduct highlights: 6 1 2" 2 way car speakers (pair) glass fiber woofer cone with High Amplitude Multi Roll surround 1" magnesium hard dome tweeter handles up to 100 watts RMS (300 watts peak power) frequency response: 65 40,000 Hz grilles included