20 Most Recent HP JBL Platinum Computer Speakers Questions & Answers

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Need to know polarity of power supply for JBL

Look where the plug goes in
There will be a C shape with a dot in the middle. Follow the line attached to the dot and you will see a + or - which is the polarity. Next you need to know Voltage. Look in the same area, or on the label for this info. If there is NO info by the power plug, it might be AC, which has no polarity - just plug it in. The label may have this information and will say something like 12VDC or 12VAC that is the key. DC Matters (+ and -) AC does not.
2/9/2021 4:41:21 PM • HP JBL Platinum... • Answered on Feb 09, 2021
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Do headphones NOT work in these speakers or do

Not really, see the headphone connector if it fits the unit. If it fits but doesnt work then the headphones may have a problem. HOpe this helps and have a good one!
12/14/2016 7:30:18 AM • HP JBL Platinum... • Answered on Dec 14, 2016
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Jbl platinum series power ic

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/ Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
11/10/2015 7:37:06 AM • HP JBL Platinum... • Answered on Nov 10, 2015
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We have older speakers that

First check if the driver for your speakers is up to date. For all we know maibe something that was installed automaticaly or by some one might be interfearing with them. Go to the Window menu, click on Conrol Panel, click on speaker settings, and check to see if anything looks off (like everything is gray and you can't really select anything). If everything seems ok check all the volume settings. Remember there are 3 things that control the volume on the speakers. 1: the nob on the speakers; 2: the volume on your desktop (lower right side next to the clock); 3: the volume on the program you are using (like windows media player). Another thing to remember is some computers come with a mute button (ether on the keyboard or monitor. If your computer has a play/skip/stop buttons it most likely has a mute button. Oh, and some computers have a volume nob next to the CD/DVD player (where you put in disks). Maibe some one turned it down as they grabed to move it. Make sure it's also turned up. If they're all turned up then most likely something got bumped loose during the move. In wich case you'll have to open it up and check the conections. It'd be a good idea to test some one elses speakers so you'll know if it's the computer or the speakers...or you could try pluging in the speakers you have into something else (like an MP3 Player).
10/4/2011 9:49:13 PM • HP JBL Platinum... • Answered on Oct 04, 2011
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