My boyfriend plugged his headphones into this unit. Now it won't make a sound without them being plugged in. Any ideas?
45666
Mine broke after my second time of using it. My guess is that it's broken.It's not durable at all.
45667
Have you tried changing the battery? I have had some strange behavior with my M50 the past few days. I just now replaced the old battery with a new one. It looks like it is behaving correctly again. Give it a shot.
1487108
Ours worked with no issues. If you've tried another set of headphones with no success then perhaps there is a defect.
2037040
If the headphone has been working properly (problem just started) I would change the two triple A batteries. I keep a back-up set fully charged with a separate charger. I have experienced noise & other problems which were solved by changing input plug-in location (tv, cable box).
1714283
It could be your input cable from your music source. Try a different cable first before declaring the unit defective.
309459
The best answer I can give is that first you need to make sure as someone else said is that the plugs are in the right holes. On mine the red plug went to the mike and the black one went to the speakers. Next you need to check the volume control on the headphones and your computer. If that doesn't work then there is something wrong with them.
2226456
I just bought one for my fiancé and the volume is not working for his. I think some of the wires are faulty.
1128768
Hi - Have you consulted the manual? If it did not come with a manual, you can always find one online. I have not heard of this problem before. When you try to play it out of the speakers, make sure you have the headphones removed from the jack. Also look for a master volume control.
323496
Same issue here...my unit is about 5 months old and the sound just stopped working...help...anyone?
580143
I had a similar problem and my warranty had also expired. What I did was purchase a set of USB headphones which got round the need for the headphone jack.
2055102
I would try sending them a letter to their address asking for a replacement, or bring that cord to Radio Shack to see if they have a similar cord, but should it cost more than buying another headphone set, see what's the better option, I would not pay more for the cord than the whole new set.
571011
You cannot use the device while it is plugged into a power outlet. So if you are using it to connect to a TV or something stationary, you can't just leave it plugged in and have it work the way you want it to. You have to unplug the power cord, power it on and then connect your headphones to it. Very annoying.
2199963
I would check the headphone jack to make sure it was not mono or make sure that it is stereo compatible. I'm not an expert only taking a guess
536430
I discovered similar issues with my recently purchased HA400. It was the headphones!!! Not every headphone, but the type with microphone built in, designed for use with phones. It seems that some (all?) adapters do not correctly place their internal contacts for the special plug that comes with these headphones. Instead, the signal is shorted out and makes it appear that the amp is broken. Happened to me until I figured it out.
798555
I tried it and still got sound from speakers. It doesn't say headphones, rather it says output.
1841224
Yes same thing happened to me. I ended up returning my unit. I went to the audio store to see if it happened to other units and it did. I would turn up the volume and the sound would cut out and not come back on unless I power cycled my head unit.
124831
It must be an internal failure. By any way, be sure that the plug is well adjusted in the earphone and the music device.
1457738
Plug them into a USB port for power and then your audio out jack - make sure that the volume disk on top of the right one is turned up all the way. if you still are not getting sound, check and make sure that the volume on your computer isn;t turned down or off.