MBP audio out from headphone jack is extremely low in volume

i just sent my macbook pro 13in (mid 2009 model) to the apple store (out of warranty). my problem was that the audio out from the headphone jack was very very low and staticky. the problem arose about 2-3wks ago. i've owned the laptop since june 2009. i've never dropped or damaged it (no water damage, etc)
my local apple store told me they had to replace logic board which seems extreme for what my problem is. i've read numerous forum posts saying that their computers came back with flickering "kernel panic"
has anyone else had a similar audio problem with their computer, and if so was it resolved in this manner?
thanks!

I think you may be mistaken. the static coming from macbooks audio output port is as old a story as the macbook itself. IMO, epic fail on apple's part. I am debating complaining in a few months when I decide I deserve a better sound quality from a ridiculously overpriced laptop.

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No audio output from headphone jack?

I have no audio coming out of headphone jack on my 60 GB 'pod. Its songs will play normally through itunes but output from stereo jack is kaput. What gives?

Now this is an area that I am not familiar with. I do not know what your audio source is (microphone, DVD player?) and exactly what you are trying to achieve. You may have to use the Audio MIDI application so look at that to see what it entails.
I suggest that you start a new discussion listing your specific objectives. There are fellow users well versed in this area, I am not.
Ciao.

Left Audio Only From Headphones Jack With External Speakers

Yes, the balance is set properly under the sound system preferences.
So here's the problem, I have JBL Encounter speakers connected via the headphone jack and since yesterday only the left speaker produces sound.
I've plugged my ipod into the JBL speakers and they work fine. I've also used headphones with my computer and again, left audio only.
I've even switched the right and left satellite speakers and again only left audio is produced... though on the right (side) satellite.
Any thoughts on how to correct this? The nearest apple store is 2 and 1/2 hours away so I'd prefer not to go if there is another fix.
My three month phone service is up but I'm still covered under the apple care for a few more months.
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Sounds as if your headphone jack is either defective or has been damaged by having a cord yanked at some stage, Kanji
It is either a trip to your nearest AASP or a mailing box from Apple to get it resolved. Applecare will cover it if the problem isn't due to accidental damage (though a cat tripping on the cord can be enough to produce such results and the price could accordingly be substantial as the port is mounted on the logicboard on recent MBPs as I understand it) .
You might want to try a regular pair of headphones in the socket to make sure the problem also occurs with them, too, though.
Cheers
Rod

Audio via headphone jack is really low

The sound from internal speakers is fine, but audio via the headphone jack is really low.

Hi Krich918,
Your computer can tell when you have something plugged into the headphone port, and it remembers a separate volume profile for each (internal speakers vs. headphones). You may want to double check that the volume is up on the Sound preference pane in System Preferences when you have your headphones plugged in, as outlined in the following article (apologies if you have already done so):
Mac Basics: Set your preferences
http://support.apple.com/kb/ht2490
Regards,
- Brenden

I need to have audio out from HDMI and headphone jack simultaneously

I need to have audio out from HDMI and headphone jack simultaneously.
I seem to be able to select one or the other, but not both ? !
Thanks

No. You can only use one sound output:
Why can't I select HDMI audio on my Mac mini?
If you connect an HDMI display or television to a Mac mini (Mid 2010 or later), you might not be able to select the HDMI audio device (in System Preferences > Sound > Output). This can happen if you also have headphones plugged in to the computer. Unplug the headphones to be able to select HDMI audio.
Mac computers: Frequently asked questions about using HDMI

Audio Out from iMac

Hi there....on my iMac, suddenly I'm only getting audio out from the headphone jack at the back (which goes into my JBL Creature II's) on the RIGHT hand side. it does seem that suddenly the output jack socket has become defective....anyone else had this kind of thing?

Try it with something else, such as iPod earbuds, to make sure the problem is not on the speaker side.
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How to record audio out from a portable player

Hi, I have a MacBook Air. I want to capture the audio out (3.5mm jack) from an old SONY minidisk recorder into the Air. I tried to plug speakers into the SONY and letting the internal mic capture the speaker sounds, but the quality wasn't crisp. Can anyone recommend a direct way (presumably thru USB) that ensures better quality? Thanks.
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Take a look at the Griffen iMic. I have used it to capture audio from a portable cassette player. I used iTunes to store the tracks.

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About a month ago, I went to listen to my music through my headphone jack and could barely hear it. I checked the volume and it was all the way up. I also replaced the headphones and nothing improved. I also use my iPod in my car and am able to plug it into the car via the USB and that seems to work just fine. It is obviously out of the 90 day warranty period, and I don't know what to do.

The hardware warranty is one year. The free telephone support is 90 days.
- Try cleaning out/blowing out the headphone jack. Try inserting/removing the plug a dozen times or so.
Try the following to rule out a software problem
- Reset the iPod. Nothing will be lost
Reset iPod touch: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Reset all settings
Go to Settings > General > Reset and tap Reset All Settings.
All your preferences and settings are reset. Information (such as contacts and calendars) and media (such as songs and videos) aren’t affected.
- Restore from backup
- Restore to factory settings/new iPod.
- Make an appointment at the Genius Bar of an Apple store. Seems you have a bad headphone jack.
Apple Retail Store - Genius Bar
Apple will exchange your iPod for a refurbished one for this price. They do not fix yours.
Apple - iPod Repair price
A third-party place like the following will replace the jack for less. Google for more.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens
Replace the jack yourself
iPod Touch Repair – iFixit

No Sound From Headphone Jack, Only Internal Speakers working in Macbook Pro A1278

Hello, the internal speakers of Macbook Pro A1278 OSX 10.7.5 are working perfectly, but no sound from headphones or external speakers when plugged in. Headphones/speakers recognized when plugged in, shown by System Preferences/Sound, and since the sound stops from internal speakers when headphones/speakers are plugged in. No red light seen coming from headphone jack, as I read in other posts. The problem began after a cable was connected between computer and stereo system. Maybe overloaded the sound card and burned out a connection? Wondering if you think that the sound card needs to be replaced or is there another solution possible? Thank you.

Hello JohnBoarkman,
Welcome to the Apple Support Communities!
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How to Reset NVRAM on your Mac - Apple Support
Have a great day,
Joe

Terrible, tinny sound from headphone jack. Satellite

I've looked at all the settings I could find, but the sound from iTunes, out the headphone jack, to a small stereo is horribly tinny. I can plug the exact same wire into my phone which has great sound, so it's sth about the sound card ,not the rest of my system. I am not talking about the speakers

Hello JohnBoarkman,
Welcome to the Apple Support Communities!
I understand that you hear no sound from your accessory when you connect to your headphone jack. My first troubleshooting suggestion for this situation would be resetting the NVRAM on your Mac. Please use the instructions in the attached article to complete this process and let me know if the issue continues.
How to Reset NVRAM on your Mac - Apple Support
Have a great day,
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My daughtrts ipad 2 only recognises headphones. and the internal speaker will not work. we have reset the system three times, cleaned out the headphone jack, and chrckrd the side switch above the volume. alos we ensured it was not in do not disturb mode

On our ipad the speaker has quit working. Sound is only heard when you have head phones plugged in. We have reset the system three times cleaned out the headphone jack. Changed languages and rest but nothing works. This ipad is important to our daughter it is her tool to communicate with us and now it is not working please help

You've done well with troubleshooting so far. Next step would be to back up and then restore from iTunes. Good luck!

Is there an adaptor that can split the audio out from mic input?

I'd like to use the iPhone on a mixer borad for conferencing. I'm looking for an adaptor that will allow me to separate audio (out) from mic (in) on the iPhone. Any ideas?

Will this work for you?
http://www.amazon.com/Headset-Buddy-01-PC35-PH35-Smartphone-Blackberry/dp/B002SK 66OY/ref=pd_cp_e_0/178-2348075-7189648

K9VGM-V with no audio on front headphone jack

A week ago I put this MoBo in a eMachines Model T6216 that the original MoBo went up in smoke. I just now plugged the headphones into the front panel headphone jack and it doesn't work. When i go to the control panel and look in the sound tab it says that the headphones are not plugged in. Do I have a bad MoBo or is there a problem with my drivers? Any help would be greatly appreciated.
AMD Athlon 64x2 4400+
Vista Business x32 SP1
Phoenix Bios V1.8
2GB G-Skill RAM

Quote
I did disable the front jack detection and now have audio in the headphone jack
Quote
but it doesn't mute the speakers when I plug the headphones into the headphone jack.
You can manually disable the Rear Panel Jack that your speakers are plugged into via the Realtek HD Audio Manager. Simply klick onto the image that represents the corresponding audio jack.
Quote
but it doesn't mute the speakers when I plug the headphones into the headphone jack.
Quote
Also when I check the audio devices the headphones doesn't show up when they are plugged in.
As was stated before, AC/97 front panel wiring is not 100% compatible with the Intel HD Audio/Azalia standard. Disabling Automatic Front Panel Jack Detection of course has the consequence that your headphones are not automatically detected. Stuff that is not detected do not appear as connected. However, disabling the detection feature is the only way to get your front panel jack to work in spite of the incompatibility between AC/97 and Azalia specifications.

Droid Razr Maxx- No output from headphone jack

I've got a Motorola Droid Razr Maxx phone which I'm very happy with. Only thing I just noticed is that when I plug in extrenal speakers or wired headphones, there is no ouput from the jack. Internal phone speaker is still on with wired device plugged in. Bluetooth works fine, but I've got an external speaker I'd like to use for music that isn't bluetooth capable. I've looked at the sound setting on the phone, but can't find anything for this issue. If anyone has an idea on how to fix this I'd appreciate it.

No as I said before in the post. I still dont believe I abused the first one, and I am not going to take the risk of having to pay 350.oo for the second one.
The only reason i took to the forums is to let others know of the service i received. First individual I talked to told be to go buy one from someone else.
The 2 hours I spent with your customer service reps both placed a request for a supervisor to call me. Its monday I have not heard from anyone.
Just have very little trust or patience with Verizon anymore.
And I haven't mentioned the ebill I received from Verizon for 429.00 for October that NO ONE at verizon can explain.
Just bad service, Period.
Verizon Wireless Customer Support <[email protected]> wrote:
Verizon Wireless Customer Support Verizon Wireless Customer Support created the discussion
"Re: Droid Razr Maxx- No output from headphone jack"
To view the discussion, visit: https://community.verizonwireless.com/message/1007696#1007696
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Hiss coming from headphone jack (MBP 2011)

I have a new 2011 MBP (about three weeks old). All of a sudden I am getting a hiss from the headphone jack - even when the volume is completely off. I have tried different headphones - same effect. I tried the same headphones in other products - no problem; so clearly the problem is originating with the computer. I have searched the boards and while this seems to have been a problem in the past, I have not found any mention of this problem for more recent MBPs.
Please help!

Update: Apparently it doesn't "work" under alsa, it's spotty at best. Sometimes it works, but it skips so much it's basically unplayable. Upon a reboot, sound then comes out of the headphone port (at near-deafening levels), then another reboot and nothing works.
I think I may have to switch the laptop over to ubuntu, apparently everything works 'out of the box' :\ I didn't want it to come to that, but having a multi-media oriented laptop with no sound just isn't going to cut it

MBP audio out from headphone jack is extremely low in volume

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