I remember back in the day that I used to hookup my system straight to the radio. Power, ground, and remote! I want to install a single woofer with a small 200-250 watt amp in my car. I want to just use the stock radio. I was looking for a spot to run it through the firewall but it seemed real difficult to do and I don't want to drill a hole. I have a 2010 Nissan Cube.
Is hooking up the amplifier power cable to the battery a must??