JL Audio JL XD400/4 JL XD400.4 Class D 4 Channel 400 Watt Car Amplifier Amp | eBay
Installed 4 channel amp, only had 1 pair of preouts left after recent sub install. Plenty of bass from subs but no longer hearing any of my other speakers. Do I need
Nbn NCB 938V amplificador subwoofer amplificador del coche 1600 W * 4 channel 12 v amplificador de potencia de audio hi fi stereo amplificador subwoofer|amplifier optical|amplifier portablesubwoofer amplifier circuit - AliExpress
How to bridge a 4 channel amp to one sub | 2015+ S550 Mustang Forum (GT, EcoBoost, GT350, GT500, Bullitt, Mach 1) - Mustang6G.com
How many channel amp do I need for 4 speakers and a sub?
how to install 4 channel amp and subwoofer in your car - YouTube