Help with humming in speakers
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6th Gear
Joined: Dec 2016
Posts: 10
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From: Maryland
Help with humming in speakers
I have been trying to figure this humming for weeks. I have a 2010 ultra limited with 4 6.5 hertz up front powered by a sound stream Picasso nano pn4.520d amp in the back I have 4 hertz 6x6 powered by a diamond 2v2 amp and a aquatic head unit with a dsr1. Bother amps are connected to the battery both positive and ground. Have had the system for years worked great. Then one day I was walking my bike in my gravel driveway then my speakers started crackling and humming. Cracking in only with bike running but the humming is with it off. I have 2 speakers at the backseat that are powered by the radio alone. They are fine no humming or cracking. I have checked everything I can think of checking so Im back to square one checking everything again. So any help you can give would greatly be appreciated.
Stellar HDF Member
Joined: Aug 2014
Posts: 2,846
Likes: 574
From: Lockport Illinois
I have been trying to figure this humming for weeks. I have a 2010 ultra limited with 4 6.5 hertz up front powered by a sound stream Picasso nano pn4.520d amp in the back I have 4 hertz 6x6 powered by a diamond 2v2 amp and a aquatic head unit with a dsr1. Bother amps are connected to the battery both positive and ground. Have had the system for years worked great. Then one day I was walking my bike in my gravel driveway then my speakers started crackling and humming. Cracking in only with bike running but the humming is with it off. I have 2 speakers at the backseat that are powered by the radio alone. They are fine no humming or cracking. I have checked everything I can think of checking so Im back to square one checking everything again. So any help you can give would greatly be appreciated.
I have seen quite a few of those DSR1 going bad in the last few months for one reason or another. Swap out the DSP after checking all the connections and the systems have went back to being noise free.
Do a little diagnosing by eliminating the DSP out of the equation to see if the noise goes away.
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