Pioneer TS-WX1210A - Sealed 12" 1,300-Watt Active Subwoofer with Built-in Amp - Walmart.com
Nakamichi NM-NBX25L 10-Inch 1,000-Watt-Max Active Subwoofer Box - Walmart.com
RCF 4PRO 8003-AS Vented High-Output Active 1000 Watt 18-Inch Subwoofer System - RCF13-4PRO 8003-AS
Super power 1000W active subwoofer amplifier board ,low pass filter subwoofer ,subwoofer power amplifier|subwoofer power|subwoofer amplifier boardamplifier board - AliExpress
Fli Underground Single Active Subwoofer Enclosure, 1000 Watt, 12" | 413549 | Pep Boys