EZWH8F2A-TY8319 | 2-Amplifier Plug-and-Play Audio Wiring System (Non-JBL Systems)

Factory Radio Integration – No Cutting, No Guesswork Upgrade your vehicle’s sound system the right way. This 2-amplifier plug-and-play wiring system is designed to seamlessly integrate two aftermarket amplifiers with your factory head unit—without cutting, splicing, or modifying factory wiring. Engineered for clean installs and OEM-level reliability, the system allows one amplifier to be mounted under the driver’s seat and a second amplifier under the passenger seat, keeping wiring runs short, organized, and noise-free.  Key Features Supports Dual Amplifiers Easily connect two amplifiers to the factory radio—ideal for running separate amps for front/rear speakers and subwoofers. True Plug-and-Play Design Vehicle-specific radio T-harness plugs directly into the factory head unit for a fast, non-invasive installation. Optimized Under-Seat Mounting Designed for clean routing to both driver-side and passenger-side amplifier locations. Clean Signal Integration RCA output adapters provide reliable, low-noise audio signal to your amplifiers. Installer-Friendly & Reversible No factory wires are cut—system can be removed at any time and returned to stock. What’s Included Radio T-Harness Adapter Amplifier Speaker Output Adapter 8-Foot Plug-and-Play Harnes RCA Output Adapters (for amplifier signal input) Remote Turn-On Signal Adapter Ideal For Factory radio systems and aftermarket head units with RCA adapters (AIN-RCA3 adapter set sold separately) Multi-amplifier audio builds OEM-style installs with aftermarket performance Professional installers and DIY enthusiasts alike Compatible with:  2010 - 2019 Toyota 4Runner (non-JBL) 2016 - 2019 Toyota Tacoma (non-JBL) Why Choose This System? This harness system eliminates the most common installation headaches—signal routing, wire identification, and factory integration—while delivering a clean, professional result. Whether you’re building a high-end sound system or upgrading in stages, this solution gives you flexibility, reliability, and a factory-clean finish.