FOCAL SOLID2 BLACK AMP 2 CHANNEL 400W MAX SPEAKERS COMPONENT SUBWOOFER AMPLIFIER | eBay
Amazon.com: Audiotek AT3500S 2 Channel Stereo Car Amplifier - 3500 Watts, 2 Ohm Stable, LED Indicator, Full Range, Bass Knob Included, Great for Speakers and Subwoofers : Electronics
How to Wire a 4 Channel Amp with 2 Speakers and 1 Sub: A Clear Guide