Amazon.com: JBL - GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer GX1200- Black
2x Infinity 10" High-Performance 1800W Peak Power Car Audio Subwoofers (Bulk Packaging) Bundle Combo with JBL Compact Class D Car Audio Mono Subwoofer Amplifier, Complete Amp Wiring Kit - Road Entertainment