Kenwood P-XW1221SHP Single 12" High Power Subwoofer in a Vented Enclosure and includes a X502-1 1000W Max Power eXcelon Series Class D Mono Amplifier - Creative Audio
Kenwood P-XW1221DHP Dual 12" Preloaded High Power Subwoofer Enclosure | Audio Express | Western United States
Kenwood P-XW1221D Dual 12" Excelon Subwoofers in a Vented Enclosure and includes a XR601-1 Reference Series 1200 W Max Power Mono Amplifier - Creative Audio
Amazon.com: Kenwood Excelon P-XW1221D Ported 2-ohm Dual Loaded Enclosure with Two 12" Subwoofers : Electronics