Recent content by Krapulax6

Hello.I’m Peter from Hungary. I need help… I have Hifonics Zeus zx 4400 amplifier in my car. The output is very very quiet in all channel. From all inputs. The gain is on full. Power supply voltage is 2X -+ 28V when the car is ignition (14,4V) For the preamp voltige is +15,6 and -15,3V. Where is...