Question about Sony MDR-RF970RK Headphones

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There is a white noise hiss after every sound that comes through the headphones.The sound decays over approx 1.5 seconds. Have tried moving the base around the room, spent $$$ on high quality connection cables, tried multiple audio outputs from multiple devices. Nothing I've tried has had any effect on this obnoxious problem.

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Maybe changing channels will do the trick. The noise your hearing is like a distortion of frequency from a nearby device that is using the same frequency the headphones uses.

Posted on Oct 14, 2010

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Just purchased a Panasonic sound bar and Samsung tv. The sound bar is hissing at low vol from one end. Should I return to the shop or is there a setting issue?


I would check your cable connections. If you are using an analog Red & White connection flip the red and white connections and see if the hissing sound changes to the other end of the sound bar. If it does then try new cables.
If you are using a 3.5 mm Stereo headphone plug then try a new cable and see if the hissing vanishes.

If the hissing doesn't change then take the soundbar back it is likely a defect in the internal wiring., either bad grounding or a short in the wiring.

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How can I reduce white noise / hissing I'm getting over the mic on a Behringer Xenyx 1204 USB setup?


Hi, you didn't say if the mic actually passes sound? The C-1 is a condenser Mic & needs phantom power - switch on the rear of your mixer. If that's no help, what happens if you disconnect the mic, then turn the levels back up? Still hissing or gone? If it's gone then it's the Mic - must use a 3 wire cable, preferably XLR so it gets the phantom power. If the hiss is still there without the Mic then sounds like the mixer is faulty - try some of the other channels..... How loau is the hiss - just in the background or as load as a vocal "one, two" test? A few things to check anyway...... Good Luck!

Dec 01, 2016 | Behringer Music

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Static noise coming from headset. The headset has been making this noise for 3 or more days.


Most headphones (wireless) have a tuning wheel that allows you to find your headphone channel pair to base set. It sounds that while checking your foam ear piece you may have moved this dial / wheel. After locating (probably near volume) the control for tune, place headphones on and slowly move control for tuning. You should hear something move control to strongest signal.
your base also has settings switch for channel helpful if you have more then one pair in house, on different TV. Play with both to find best volume.

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Brake Problem


yes but up to a point
the brake pedal should move about 1" to take up the pedal free play and then be applied smoothly as you press further
the harder you press the more solid stopping action you will get
that way you can feel the brakes working so that you can adjust the braking action for stopping
there should be no hissing noise that occurs when the brakes are being applied
you say hydro booster which is hydraulic booster but a hissing noise will come from an air leak in a vacuum brake booster which indicates that it needs repalcing

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Hi i have a sgh u600 all of a sudden i cannot get any radio stations. just a hissing noise like white noise many thanks !


change the headphones,your headphones must be broken,the antena is in it,and it s dont work properly.

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1 Answer

Sennheiser RS120 with noise...


Couple of things could be going on..

Try the obvious first

1. Select a different channel on the base unit: Located on the front, under the logo is a small switch. Note the position and try the other two settings
2. Make sure your base unit is not next to other items that may interfere with it.. cordless phones and wireless network routers etc.. microwaves or other RF sources .. fluorescent lamps.. etc

Lastly.. just about all wireless headphones have some noise or background hiss.. but it should be minor.. if the rechargeable batteries are not taking a full charge or cannot retain the charge properly.. the reception will also weaken.. and that noise will increase.. and the reception distance will decrease.

You can buy a new set of rechargeable batteries .. just make sure they are exactly like those in your headphones..

If I remember right.. they are Nickel Metal Hydride… (NiMH).. Radio Shack will have them.. or a store like Batteries Plus.. If you replace them.. go for a slightly beefier battery.. a higher mA-h.. may take a bit longer to charge initially.. (If you try this.. remember.. they will need to charge overnight before use) but will “play” longer in use.

It has been noted that many of these headphones shipped with inferior batteries.. that problems seems to have been addressed by the mfg.

Good Luck!

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1 Answer

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This is mostly caused by the speakers being turned up causing feedback. If you use headphones it should eliminate this problem.
Hope this helps. Bud

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ya the volume of your source is your issue.
if it is too low, the unit cuts out after 45 seconds or so...
crank up the volume and turn it down on your headset

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Well it could be interference from the TV, computer, or other 900Mhz device (some wireless routers run on this frequency).

I'm currently dealing with the same issue myself, if I find a solution I'll post back.

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