Amazon.com: Car Speaker and Amp Combo of 2X Rockford Fosgate R165X3 Prime 6.5" Inch 180 Watt 3-Way Full-Range Coaxial Speaker Bundle with 2X R169X3 Prime 6x9 Audio Speakers + 4-Channel Amplifier W/Install
Do You Need An Amp For Door Speakers? - Land Of Auto Guys
Step-by-Step Guide To Install A Multiple Component Car Audio System
How To Hook Up A 4 Channel Amp To Front And Rear Speakers
How to install car speakers
How to Install Car Speakers in Door
How To Wire A 4 Channel Amp To 4 Speakers And A Sub: A Detailed Guide With Diagrams