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No power to the speakers no sound - Technics SA-EX140 Receiver

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Only the left speaker out wont work on either a or b channel anyone know email me mikeyandjessie12@aol.com could it be the speaker wire its 10 gauge speaker wire so idk either channel ive checked its only the left out so i can only listen to the right out on each channel and i cant listen to both channels but does anyone know if you might be able to get a 4 in av cable to a 2 av cable and run 200ws out of this or no

Posted on Jan 15, 2011

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Posted on Jan 02, 2017

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I need the driver for it, i have no sound


Anonymous,
There are no drivers for the A425 speakers. Make sure the power cable is attached to the speakers as well as the speakers plugged into the correct jacks. If your speakers are plugged in and powered on and u still have no sound; check to make sure the sound card drivers are installed.
Thank You,
Dell-Jesse L
Dell Social Media and Communities

Mar 18, 2015 | Dell Powered Subwoofer Set A425 Computer...

1 Answer

Right speaker has no sound


Check R cable from source to speaker, No power used in L or R cable, they only receive the signal from SOURCE to speaker, You onlly have 2 ends of each cable, 1 to source other end to speaker

Mar 13, 2015 | JBL Pebbles 2.0 Speaker System 2-Piece

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Hi! I have a problem with desktop speakers, buzzing sound without reproduction from sound card...other speakers work properly, so obviosly it is a problem with the speakers..the power suply is ok, diode is...


Are this powered speakers connect to the same mains power socket as the computer.
If not you may be getting an earth loop which causes a humming sound.
Connect these speakers to the same power outlet, if you have not sufficient outlets use a power board.

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Speakers getting power but not sound


check the speaker.. could be burned or open connection

May 17, 2010 | Logitech Z523 2 Speakers

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Getting buzzing sound from speaker but can here sound from them.


You could have an earth loop which causes a hum/buzzing sound.
Is your computer and powered speakers plugged into different mains?
Connecting amplifiers and speakers to different power sockets will create earth loop problems
This can be fixed by using a single power board connected to a single mains power socket, then connecting all the computer components and powered speakers into this one power board.

Oct 31, 2009 | Harman Kardon Harmon Kardon SoundStick II...

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My polk computer speackers came from another computer. N279 and 000MA3A5-0 are on the bottom. With the volume at 100% I can hear a faint sound on one speaker. My computer (Dell W/Vista does not have a...


These are what is called line powered speakers. Some sound cards have the power to amplify the sound enough to be heard plainly, and others do not. Try adjusting the volume from the computer. If that does not work and the speakers are plugged in to the green port on the sound card, I would recommend replacing the speakers with amplified (powered) ones.

Aug 22, 2009 | Audio Players & Recorders

2 Answers

No sound


This issue could be caused by any of the below reasons.
  1. Sound card does not work
  2. Speakers are not connected properly
  3. No power to the speakers
  4. Volume on speakers turned down
  5. Volume on sound card turned down
  6. Bad hardware
  • make sure the speaker setup is correct. It is possible that during an installation of another program that the speakers software setup was changed causing issues with your sound. To do this follow the below steps.

  1. OpenControl Panel
  2. Open "Sounds and Multimedia Properties" or "Sounds and Audio Devices" in Control Panel.
  3. Click the "Audio" tab
  4. In the Audio tab click the "Advanced" button under "Sound Playback."
  5. In the Advanced Audio Properties window make sure your speaker setup is correct. If you're not sure what to set this setting as, set it to the default "Desktop Stereo Speakers" option.
  6. If you changed this setting click "Apply" and close out of all windows.
  • Ensure that the sound card works properly by connecting either another pair of speakers to the computer, or a pair of headphones.

  • the left speaker will generally have a cable that cannot be removed from it. This cable should be connected to the other speaker (generally this cable has no color or is white / gray). The next cable is the line out cable, it is generally green in color and should go from the right speaker to the line out hole in the back of your sound card.
  • Finally, the power cable generally should be connected to the back of the right speaker, or in some cases, the sub woofer. The power cable can vary; while most speakers are in the above configuration, some speakers may also not utilize a power cable connection but instead have batteries, while other speakers that connect to the side of your monitor may use a portion of the power from the monitor itself (via another type of cable).


  • Most speakers will have a small LED (light) indicating if the speaker is on. Verify that if this light is present that it is illuminated.
If no LED is seen or the speakers don't appear to be getting power, verify the power cable is properly connected to a working outlet or if your speakers use batteries that the batteries are good. Finally, most speakers can be turned on either by using a button or by moving the volume knob from left to right.


  • Verify that the volume knob on the speakers is properly turned up. If you are un-certain what direction to turn the knob, play a long sound file or CD and while the sound is being played, adjust the knob left to right or up to down.


  • The sound is also able to be turned up and down through the software installed on the computer. Verify the sound settings in the software are properly turned up.


  • Finally, if all of the above recommendations do not resolve your issue and connecting another pair of speakers or headphones to the computer does work, it is likely that the speakers are bad. It is recommended that you contact the manufacturer of the speakers or computer for a new replacement.


Jul 16, 2008 | Audio Players & Recorders

1 Answer

Motherboard sound and old speakers


what really matters is the quality of the usb speakers. check specifications such as wattage first and find reviews if possible. however usb speakers will probably not come close to separate speakers. i'd recommend buying a cheap sound card ($20 or so). these work great overall. $20 spent on a sound card will be a better trade off than $20 spent on speakers. just use your old speakers with the new sound card and you'll have plenty of power. after this i'd recommend headphones as they work great in this case. finally moving the sound card would probably work fine, but i have doubts.

hopefully that helped

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