Question about XRS-757 Radar Detector
Do you want to replace it with the same thing or are you looking to add an exterior speaker to it? It's a very simple task to do, you need to disassemble the unit and find the piezo speaker that's currently installed to the board. The part number will be listed on it. It may even have a manufacturers name on it. Once you've got the info, you can go to the manufacturers website and get the specifications for it. If you want the same, any electrical parts site will sell it. If you want to increase the volume look for a piezo with a higher efficiency rating. There's only 2 or 4 solder connections that need to be made on the board to replace the piezo. If you want to get creative, move the speaker to the headliner on the drivers side and run a wire to the unit with a small quick disconnect so you can take out the main unit with ease. parts will cost under 10 bucks to do it. Hope this helps
Posted on Jun 24, 2009
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Posted on Jan 02, 2017
SOURCE: radar detector speaker busted
The best way is to call up cobra or ask them a question through their site.
This will link you to the ask page. Just ask if they will sell you a replacement speaker for the radar detector xrs 747. I just ordered one for a friend and it was $4.32 and $2.50 for shipping.
Posted on Sep 16, 2008
I contacted Cobra via internet site and ordered the speaker. However, it has been on order for over 6 weeks and still not here. I would have figured this would be a relatively high failure item and would be stocked. Thanks for the response. ohmhead
Posted on Mar 27, 2008
SOURCE: speaker replacement
wow everyones google must be broken (i'm just joking). I found this speaker, it looks like the company is located in arizona. I also contacted cobra and left a message. I'll probably go with whatever is cheaper, it will probably be this one.
Looks like all you have to do is desolder the wires and resolder them on the new speaker then plug it in.
I actually had 2 talking radar detectors go bad (esd-9860, esd-9870) so i took them apart, 9870 had a really small zener diode come lose (probably from leaving it in the sun all these years) and the other one has a completely blown speaker (doesn't make a circuit). The good speaker tested 7.7 ohms with my digital meter.
Figured i'd help you guys out
Posted on Sep 12, 2008
replace the speaker cobra sells them for a few dollars
773-889-3087 or cobra.com also if you want a new detector you can send your old one in and they will upgrade to the next higher model at a good discount ( a lot cheaper than buying through the stores .
the speakers are easy to install just plug in no soldering required .
Posted on May 04, 2010
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