MTX TN12-02 Terminator Series 12" 2-ohm subwoofer at Crutchfield
MTX 7512-44 12'' 750W 4 Ohm Dual Round Subwoofer
Amazon.com: BOSS Audio Systems MTX TNP212D2 12 Inch 1200W Dual Car Subwoofer Audio, Sub Box, and Amplifier Bundle KIT2 Amplifier Installation Wiring Kit : Electronics
Discontinued Obsolete SKU | MTX - Serious About Sound®
35 Series 12" 2Ω Single Voice Coil Subwoofer | MTX - Serious About Sound®
75 Series 15" 2Ω Dual Voice Coil Subwoofer | MTX - Serious About Sound®
Amazon.com: MTX 12" 400 Watt RMS Dual Loaded 1200 Watt Car Subwoofer Enclosure Audio with Sub Box, Mono Block & 8-Gauge Amplifier Complete Wiring Installation Kit : Electronics