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C4 - DS4 Owners :: Forums :: Citroen C4 Picasso and Grand C4 Picasso (B78) 2013 onward :: C4 Picasso and Grand C4 Picasso (B78) Ice and Satnav questions

Sub Woofer fitting - ICE Upgrade

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Thu Oct 15 2015, 02:50am
Member No: #41836
Joined: Aug 26 2015
Location: london
I don't think you need a line level converter as that eq can take up to 15v of input power. So what you need to do is just buy or make a twisted pair RCA cable with one end having bare wires. You would connect the bare end to your existing speaker cables either with a connector or just splice and plug the rca end into the equilizer
1 User said Thank You to vortexuk for this Post :
 Spydrc (26 Oct 2015 : 13:50)
Mon Oct 26 2015, 01:57pm
Member No: #42122
Joined: Sep 22 2015
Location: Aldershot
System is all set up now but I'm having a bit of trouble. Tapped the ground from a bolt near the cigarette lighter on the centre console. Now I'm getting the alternator hum/buzz through the front speakers. Any idea where I can ground it to eliminate or fix this?
Tue Oct 27 2015, 03:31am
Member No: #41836
Joined: Aug 26 2015
Location: london
this is most like a ground issue. Read the following.

- Click Here -

Try and run a different ground point and see what happens.
Wed May 03 2017, 12:50pm
Member No: #48279
Joined: May 03 2017
Location: carlisle
Hi, I am new here and just trying to find out the size of the speakers in my 2014 C4 Picasso front and rear. Thinking of changing them (as they sound well not good) but can't find size anywhere. And help with door card removal. Hope someone can help.

Thank you.
Mon May 15 2017, 07:10am
Member No: #47540
Joined: Feb 11 2017
Location: Home
Hi, they are size 6,5" or 165mm, both fits. Depth with new spakers should be quite shallow, or you might have a problem with magnet touching the door.
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 thisisapain (17 May 2017 : 15:50)
Mon May 15 2017, 11:48am

Member No: #2
Joined: Aug 12 2006
Location: Manchester
Usually foul not on the door but on the speaker mounts. So a quick file or dremel sorts them out. What I did before I made some wooden ones as my final speakers had huge magnets on them.
1 User said Thank You to wozza for this Post :
 thisisapain (17 May 2017 : 15:50)
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