Rockford Fosgate PM100X1K

Punch Marine 100 Watt Full-Range Mono Amplifier (pair) The PM100X1 amplifier uses our patent pending BTL technology to provide you a very unique amplifier solution. This single channel amplifier utilizes the speaker output of the radio to not only provide the audio signal it needs, but also the power that runs the unit. This is done through a combination of the DC offset voltage commonly present and the audio AC signal itself.Initially, it uses the DC offset voltage for its turn on power as w...