Rockford Fosgate T1D412 Power Series T1 12" Dual 4-Ohm Subwoofer and a T1000-1bdCP 1000-Watt RMS Power Series Amplifier - Walmart.com
Rockford Fosgate Punch P500X1BD & 2 X P2D412P500X1BD 500W RMS Punch Series Monoblock Class D Car Power Amplifier & 2 X P2D4-12 800W Max 12" Punch P2 Dual 4-Ohm Subwoofer | Reverb