Prime 40 Watt 2 Channel Lead Electric Guitar Amp Car Audio Amplifier "chord guitar" Questions

...when I turn the amp on I get a loud buzzing... even with the volume on zero. I've checked all chords, etc... It's a Fender reissue Twin reverb change the plugs on the chords.or both.they loose ...

...guitar volume and amp volume are all the way up, at overload/overdrive mode! I tried a new amp chord but no use, what is wrong? When I turn on my marshall amplifier its makes this unusual, anoying ...

guitar chord into. If you take your amp apart you can wiggle the jack, it probably just needs to be re soldered onto the board, very easy fix. (Be careful with the IC4 chip connecting the holder plate

...chord. Still no power. I took it back to guitar center where I got and they said that since I did not buy insurance on it there was nothing they could do and I would need to contact you all. Any idea ...