This JL Audio amplifier is truly a breakthrough in technology! Think about it, while installing your new amplifier , you dont even have to worry about a remote turn on wire. This great little amplifier senses it , and turns it on automatically! Not only that, you dont even have to worry about how many ohms you are running your subs, the amplifier senses and runs it accordingly! Hows that for technology? This is truly a breakthrough in car audio!