![The Big 3 Upgrade - Improve your Car Audio Output up to 25% - Sonic Electronix Learning Center and Blog The Big 3 Upgrade - Improve your Car Audio Output up to 25% - Sonic Electronix Learning Center and Blog](https://learn.sonicelectronix.com/wp-content/uploads/2011/02/NVX-XAPK1D-Big-3-upgrade-kit.jpg)
The Big 3 Upgrade - Improve your Car Audio Output up to 25% - Sonic Electronix Learning Center and Blog
![Amazon.com: Sky High Oversized 4 Gauge AWG Big 3 Upgrade RED/Black Electrical Wiring Kit : Electronics Amazon.com: Sky High Oversized 4 Gauge AWG Big 3 Upgrade RED/Black Electrical Wiring Kit : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81FH0tmQVpL.jpg)
Amazon.com: Sky High Oversized 4 Gauge AWG Big 3 Upgrade RED/Black Electrical Wiring Kit : Electronics
![How To Install the Big 3 Upgrade | Improve Your Vehicle's Electrical Charging System | Car Audio - YouTube How To Install the Big 3 Upgrade | Improve Your Vehicle's Electrical Charging System | Car Audio - YouTube](https://i.ytimg.com/vi/gnmXKjm3tZE/maxresdefault.jpg)
How To Install the Big 3 Upgrade | Improve Your Vehicle's Electrical Charging System | Car Audio - YouTube
![2004 Chevy Trailblazer (Skar) Build - Member Rides & Builds -- Show off your whip, Show off your System! - #1 Car Audio Enthusiast Forum in the world! | SMD | Meade916 2004 Chevy Trailblazer (Skar) Build - Member Rides & Builds -- Show off your whip, Show off your System! - #1 Car Audio Enthusiast Forum in the world! | SMD | Meade916](https://preview.ibb.co/cE8CtR/IMG_0409.jpg)