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Get a Universal remote and look up the code for your DVD

Koss Televison &... | Answered on Jan 17, 2019

0415 worked on mine

Koss KS4125 DVD... | Answered on May 19, 2018

This could be an indication of power suply failure.

Koss Audio... | Answered on Feb 10, 2018

Often it is to do with the kind of sound that is being outputted by the DVD player. If the sound for example is set to produce dolby 5.1 and you don't have a suitable decoder it will be very low.
Check the sound settings of both your DVD player and sound system.

Koss KS2503... | Answered on Dec 09, 2017

Koss Porta Pro headphones have a lifetime warranty. If the cable is damaged, contact Koss directly. Good luck.

Koss Porta Pro... | Answered on Nov 06, 2017

The buzzing may be filter capacitors in the power supply or in the output amp of the sub.

Koss KS3161... | Answered on Oct 30, 2017

You will more than likely need to contact DirecTV's technical support. Their number is 1 (800) 531-5000.

Koss KD230 DVD... | Answered on Oct 24, 2017

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