Aerpro T20D24R Replacement Bulb 20mm Wedge Double Pole 24 LED Red CCA Power Cables Why is this switch needed

Why is this switch needed when installing an aftermarket head unit

enhanced dynamic range accommodating greater volume swings without distortion

Compatible SKUs: Select Gen-2 P3S models — confirm with Rockford Fosgate

2L K12C DOHC 16v MPFI 4cyl 66kW 5sp Man 5dr Hatchback FWD <01/17 ON> FRONT

Aerpro T20D24R Replacement Bulb 20mm Wedge Double Pole 24 LED Red CCA Power Cables Why is this switch neededUpgrade Your Car's Lighting With Aerpro Direct Replacement LED Bulbs LED lighting is the way of the future, providing improved light output and reliability, backed with a significantly longer lifespan, saving you time and money replacing blown globes. Aerpro LED Bulbs are direct replacements for OEM Incandescent bulbs, making for a quick and easy install. Key Features: Replacement Bulbs 20Mm Wedge Double Pole 24 x Led Redsmd 5050 Stop And Tail (Dual