Question about Bose MediaMate Computer Speakers

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Bose mediamate speaker high pitch noise

The accessory speaker makes high pitched noise when plugged into the powered speaker. Can you suggest a solution?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 135 Answers

SOURCE: loud whining noise

yes,,this is due to electromagnetic interference...
try to keep the accessory speaker as far as possible fro the powerspeaker..this would serve better

Posted on Jul 06, 2008

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  • 1 Answer

SOURCE: Bose Companion II Computer Speaker: The AC power adapter burnt

My puppy chewed through the cord for my a/c adapter, I just took the speakers into Circuit City, and they found me a workable replacement (the replacement isn't BOSE, but it works just fine).  Hope that helps!

Posted on May 07, 2009

  • 8404 Answers

SOURCE: There is a humming noise when I plug my computer

Is there a separate power supply for your speakers? If yes, turn the plug over in the outlet.

Does it buzzz all the time or only when you are plugging it in? Is there a flourescent desk light close by? Flourescent lights can interfere with your speaker system.

Are you able to independently determine if the electric outlet your devices are plugged into are properly wired?

Do not remove the outlet from the wall. If you have a volt ohm meter, you can do this test.

Inside the box in the wall, there are three wires, a black (hot), a white (neutral) and a green (ground). Ultimately, the green and the white are attached to a common ground back at your power box by virtue that the service entrance is bonded ... don't try to reconcile this.

You can look at the outlet and see there are two slots and a round hole (times 2). Notice that there is a big slot and a small slot. The hot wire is attached to the small slot and the neutral wire is attached to the big slot. The green wire is attached to the round hole or ground.

With a volt/ohm meter (available at your hardware store for about $10.00) with the setting for 250 volts AC, insert one probe into the small slot and the other probe into the large slot. You should get a reading of 125 volts more or less.

Remove the probe from the large slot (on the left side if the ground is at the bottom) and insert it into the ground. If you have a reading similar to your first reading, your plug is properly wired. If you get no reading between Hot and Ground it is not properly wired, you probably have a condition knows as reverse polarity. Check the other side, i.e. measure between the large slot and ground, if you have voltage, you definitely have reverse polarity. If you are handy, you can fix this yourself, if you are unsure, get it fixed by a pro.

If you do it yourself, remember the dark wire goes to the dark screw (brass). The light wire goes to the light colored screw (zinc) and the green wirre goes to the green screw.

There is the possibility that your ground is not actually connected. If your ground is not connected, you will not get a reading between black and ground. You can check this by setting your meter to Ohms. As I said, ultimately, green and white are common back at your power panel. Cross the probes together and watch your meter, it should show SHORT. Insert one probe into the ground part of your plug and the other probe in the big slot. You should read SHORT.

I tell you all this because buzzing can be traced to bad electric. Please test yours and be careful.

Please let me know what happens and if you have more question or comment - please post a comment to this question.

I hope this helps you .

Thanks for using FixYa.com

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Posted on Dec 05, 2009

  • 1 Answer

SOURCE: I have the Bose companions 3 series 2 speakers feedback problem

Another possibility: make sure both speakers are at least ten inches away from any router.

Posted on Feb 17, 2011

bronk50
  • 27725 Answers

SOURCE: need a power adapter forr

you could get this on Ebay if you dont have an account you will need to create one
Add Email adress
Add Bank Acc
Add Credit Card
also add your postal adress
also add a paypal account
when you get to the paypal login page at the bottom you will see new to paypal sign up tab
paypal to create an account
paypal registration password ,bank card /credit card,phone numbers home/mobile ,email adress and a postal adress
be very specific when you search type in the coorect details i can supply a link to an adapter but not sure if its the one you need
http://cgi.ebay.com.au/New-12V-AC-AC-Power-Adapter-Supply-BOSE-PS71-DCS91-/270684179832?pt=LH_DefaultDomain_0&hash=item3f0608cd78
AU $12.60 +AU $27.16
in the USA
hope this helps

Posted on Apr 01, 2011

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Loud whining noise


yes,,this is due to electromagnetic interference...
try to keep the accessory speaker as far as possible fro the powerspeaker..this would serve better

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