![Rockford Fosgate Power T600-4 4-channel car amplifier 100 watts x 4 (Standard) - Breakers Stereo and Performance Rockford Fosgate Power T600-4 4-channel car amplifier 100 watts x 4 (Standard) - Breakers Stereo and Performance](https://www.breakersstereoandperformance.com/wp-content/uploads/2021/10/New-Project-12-6.jpg)
Rockford Fosgate Power T600-4 4-channel car amplifier 100 watts x 4 (Standard) - Breakers Stereo and Performance
![Rockford Fosgate amps are REALLY underrated. So I decided to take out the pdx f6 and see what the punch 400x4 could do and wow... from my testing at 14.8 volts this Rockford Fosgate amps are REALLY underrated. So I decided to take out the pdx f6 and see what the punch 400x4 could do and wow... from my testing at 14.8 volts this](https://i.redd.it/0quto7wdewq21.jpg)
Rockford Fosgate amps are REALLY underrated. So I decided to take out the pdx f6 and see what the punch 400x4 could do and wow... from my testing at 14.8 volts this
![Harley-Davidson Audio powered by Rockford Fosgate Amplifier for Road King Models | Harley-Davidson UK Harley-Davidson Audio powered by Rockford Fosgate Amplifier for Road King Models | Harley-Davidson UK](https://www.harley-davidson.com/content/dam/h-d/images/product-images/parts/january-2022/76001074/76001074_TT.jpg?impolicy=myresize&rw=700)