The DOWN4SOUND TCX-12 D2 is engineered for extreme output, thermal efficiency, and structural control. Designed to thrive in high-current systems, this 12-inch subwoofer delivers a massive 2700W RMS while keeping the cone stable and the motor cool under...

Installation Notes: This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension.  Not recommended for sustained use above 5,000 RPM engine speed...

 Excessive Amperage 300a Alternator For a 1996 Buick Roadmaster Limited 5.7L Lt1    *** No refunds once order is placed as this is a totally custom built, one off unit *** 6-8 week build time Custom built to order , direct...

 Excessive Amperage 350a Alternator For a 2024 GTI Volkswagen 2.0L    *** No refunds once order is placed as this is a totally custom built, one off unit *** 6-8 week build time Custom built to order , direct bolt on plug...

Excessive Amperage 300a Alternator For a 2012 Opel Insignia Buick Regal 2.0L    *** No refunds once order is placed as this is a totally custom built, one off unit *** 6-8 week build time Custom built to order , direct bolt on...

The Z v.7 is the third step up in Sundown's 2025 "ultra-high excursion" sub-woofer lineup after the M and X v.4 series. All models (12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691597, D691598, and D741841) –...

The Z v.7 is the third step up in Sundown's 2025 "ultra-high excursion" sub-woofer lineup after the M and X v.4 series. All models (12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691597, D691598, and D741841) –...

The Z v.7 is the third step up in Sundown's 2025 "ultra-high excursion" sub-woofer lineup after the M and X v.4 series. All models (12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691597, D691598, and D741841) –...

The Z v.7 is the third step up in Sundown's 2025 "ultra-high excursion" sub-woofer lineup after the M and X v.4 series. All models (12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691597, D691598, and D741841) –...

The Z v.7 is the third step up in Sundown's 2025 "ultra-high excursion" sub-woofer lineup after the M and X v.4 series. All models (12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691597, D691598, and D741841) –...

The Z v.7 is the third step up in Sundown's 2025 "ultra-high excursion" sub-woofer lineup after the M and X v.4 series. All models (12,15,18) feature our custom tooled and patented frames (US Patent Numbers D691597, D691598, and D741841) –...

*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.*     Introducing the JP 34 CAMO CLASS AB Amplifier: A Robust 590W RMS 4-Channel Powerhouse The much-anticipated...