Very Strange Audio Output problem on the 2.5mm Jack - 8125, K-JAM, P4300, MDA Vario General

Hi,
I've noticed an audio output distortion of some frequencies when listening to music, in the sound coming out of the 2.5mm jack.
When the speakers on the device is used, there is no problem.
When I plug the headphone, there is sound output, I hear the music, but some frequencies are lowered so much that I can't hear the singers voice. When I unplug, the speakers work fine and I can hear the singer again.
In additon that, most of the background instruments can be heard as well as the backvocals, if they are female.
It's like the sound is being processed (like an equalizer) when I plug the headphone, some frequencies are lowered, given some echo, reverb etc.
I don't understand how this is possible. I am thinking of a hardware contact problem, but it's hard to believe if this is a hw problem.
I've tried two firmwares (2.16.x, 2.25.11.1) and made hard reset also. No result.
Any ideas?
Note: I can try to actually record the sound tonight if anyone wants to hear.
Best regards,
Fast

maybe try a different headset first?....could be a short in the cable, because what you are describing is a phasing issue with the headset speakers......

Thanks for the response Kiru,
Just tried a different headset plugging it into my HAMA 2.5 --> 3.5 adapter. same result.
I will try the original headphone came with the Wizard. If the source of the problem is the HAMA adaptor, this should resolve it. (i hope it is)
Could you please elaborate on the "phasing issue" ?

fastguy said:
Could you please elaborate on the "phasing issue" ?
Click to expand...
Click to collapse
Hmm....how can I explain.....Let's start with the speaker itself. A speaker has two terminals on it, one postive and one negative. What we want is to have the positve from the source (ie. Amplifier) to the positive terminal of the speaker, and the same for the negative. Since there is a pair of speakers, we want them to be hooked-up correctly. If hook-up correctly then the speakers are in phase with each other, and this is called constructive interference, hence in phase. When ONLY ONE of the speakers is hooked-up backwards, we call this destructive interference, hence being out of phase. Being out of phase causes frequencies to cancel or sound muffled. Hope you kind of get what I mean, but I highly doubt that this is the problem with headphones because heaphones nowadays rarely get manufactured with this problem. This is just the electrical part of phasing. Also, you can have one speaker, and it could sound out of phase because of the distance it is firing from walls or the shape of the room due to the reflections of sound, this is called acustical phasing.
A short in the cable, meaning the positve and negative wire are somewhat touching, can cause a similar effect, and I suspect that this is problem for you. As you now state that you are using an 2.5 to 3.5 adaptor, I would agree with you that most likey you have a faulty adaptor.
Hope this helps! and keep me posted!

Hi again,
Thanks again for the explanation Kiru, I know a bit of electronics so I got the problem.
However, I'm now home and tried to original headset, no result. The same problem is existing.
This makes me believe that I've broken something inside the Wizard which shortcircuits something. I'm very dissapointed.
Maybe the only way is now to buy a stereo bluetooth headset...
Thanks for your help

Any reason that you can't return to orange for repair/replacement?

PROBLEM SOLVED
I got this unit from priceminister second hand. It's origin is not France, I don't have a purchase receipt neither.
By the way, I solved the problem. I disassambled the unit using the info given in one of the posts in the forum. I played a little with the contacts, there was oxidation in the outer solders, i cleared them up etc, it 's working at the moment.
I'll post some pictures afterwards.
and I hope i will be able to reassamble it, I already have a piece of thing which I don't know where to put

I got the same problem. Was working fine for 2 months then all of a sudden the headphone plug is all messed up. Volume is all distorted I can sometimes hear a song but quality is no where near the original. Usually everything sounds echoed. I think something is wrong with the plug

I've had the same problem. The headphone jack on the Wizard is crap. If you have your Wizard in your pocket with an adapter, as you move, the adapter pries back and forth on the jack. This breaks the cheap jack.
If you want to listen to your Wizard as an music player, you should invest in a nice set of bluetooth headphones and only plug the jack in when the wizard won't be moved around a lot, like a home or car stereo.
I recommend Nextlink Spider headphones. They double as a headset and you can navigate through your library with the button on them.

MUSIC Speed
I got the same problem here. The SE stereo btooth headset isnt yet in our place.
Anyway, i experienced this one with ROM2.16 Imate. The sound speed or music speed seems to being played faster than normal. But when i tried to plug the 2.3-3.5 adopter and quickly pull it out, the sound is played in normal speed then. strange.....

are you all sure that the wizard has a stereo output ? I thought it was mono.
Anyway you can get earpieces and headphones with a 2.5mm jack so you don't need a 2.5-3.5mm adapter.
Maybe the contacts on your jack are not connecting properly with the internal contacts of your adaptor

Related

Jack output no sound

Hy. I have such a problem that if i plug in a headset to the jack output i have no sound. But if i unplug it, the speakers are ok. I have given in the phone for repairment, but they said it has no hardware problem. So what? I don't think it could be a softver problem because i have reflashed it for a million thimes after this. Can someone please help me?
I have reverse problem. I have sound in headphones, but no sound on external input/output. Except phone rings. Like headphones is always plugged in. It began after using usual 3-contact headphone jack (instead of 4-contact HP with mic). I have no idea what could it be (looks like a short circuit, but don't looks like one)... need extra help! Can't use my mobile phone and it's vital for me.
For sunnyRio there are two possibilities, one is the headphones, you might wel have a pair of broken headphones, try connecting them to another audio source (CD, mp3, computer, etc.), if they are ok then you could have a "strange" kind of hardware failure, I've repaired lots of stuff in more than two decades of work and I've seen the strangest things...
Your headphones connector might be "dirt" inside, it might be suffering from a false contact (very likely if you do plug and un-plug your headphones a lot), this false contact can be very hard to see, I even found a connector that has its pins broken between the PCB (printed circuit board and the connector itself), this was a tough one, this device (was a walkman) have passed by several repair shops first, the only way of figuring out was by desolding the connector.
Generally, inside the headphones connector there's a switch that disconnects the speakers while the headphones are plugged, once you unplug the headphones the speakers come alive again, this switch can even be a "simple" switch, one throw, one contact and can be switching some electronic analog switch, however, it could be necessary to take it to a very good technician to get it repaired, if you want to send it to Italy...
For alexkass84, the front speakers are not responsible for the phone rings, there's another speaker doing that noise.
Your problem could easily be a simple variation from that of SunnyRio or it could the speakers, same treatment applies in your case.
If any of you are relatively confident with electronics you might even tempt yourselves, look for the service manual in the wiki and go for it.
good luck!
kecido said:
For sunnyRio there are two possibilities, one is the headphones, you might wel have a pair of broken headphones, try connecting them to another audio source (CD, mp3, computer, etc.), if they are ok then you could have a "strange" kind of hardware failure, I've repaired lots of stuff in more than two decades of work and I've seen the strangest things...
Your headphones connector might be "dirt" inside, it might be suffering from a false contact (very likely if you do plug and un-plug your headphones a lot), this false contact can be very hard to see, I even found a connector that has its pins broken between the PCB (printed circuit board and the connector itself), this was a tough one, this device (was a walkman) have passed by several repair shops first, the only way of figuring out was by desolding the connector.
Generally, inside the headphones connector there's a switch that disconnects the speakers while the headphones are plugged, once you unplug the headphones the speakers come alive again, this switch can even be a "simple" switch, one throw, one contact and can be switching some electronic analog switch, however, it could be necessary to take it to a very good technician to get it repaired, if you want to send it to Italy...
For alexkass84, the front speakers are not responsible for the phone rings, there's another speaker doing that noise.
Your problem could easily be a simple variation from that of SunnyRio or it could the speakers, same treatment applies in your case.
If any of you are relatively confident with electronics you might even tempt yourselves, look for the service manual in the wiki and go for it.
good luck!
Click to expand...
Click to collapse
I had the same problem few days ago ... and I also noticed that when I pressed the keboard with a little pressure, sound started working again. But whenever I inserted the headphones and pulled out after the use .. there was again .. No sound !
After few days when I had to change the SIM Card, I noticed that the battery was not fixed properly and after fixing the battery properly again, my problem never existed !
Try and let me know please
Regards,
Hassan
That wasn't battery. I'm often used to change batteries (I have two in case of uncharging), so I didn't observed such an effect (tried also to sqeeze keyboard).
So I bet it's the jack contacts. I need ideas how to clean it without disassembling the device (I don't have heeded screwdriver and havo no wish to give it in other hands). Also I couldn't find spare jack for 4-contacts same the headphones with mic. I didn't solved BT problem, so I can't use my Jabra 620 well (mostly I listening to music).
Now I have WM5 and gonna try broadcomm BT stack. Have anyone tested stack for A2DP with WM5? Can you give a link?

Hissing/static noise everytime G1 plays sound. Both speaker and headset. Just me?

I have a noise problem, I don't think it's quite the same as previously posted noise problems.
I get a hissinh/static noise from the phones speaker (on the back) and from headphones. It is only happening while the phone plays sound (and some seconds later). Every time I up or down the sound with the volume keys, there are noise coming out of the speaker for some seconds. Please report if you have the same issue, especially eith headphones.
I could live with the speaker-noise, it's not that big a deal.. What's worse is it is in the headphones. I have a quite low impedance set of in-ear plugs from creative (I am able to hear the hard drive spinning up in my old mp3-player, but no constant noise) Crap. I want to use the phone for music listening. Question is: software or hardware related? Using JF 1.51 ADP for the record
I hope it is hardware related - I bought mine off ebay, allthoug brand new and everything, I don't know how I would go about getting it fixed/a new one with no receipt. Shipping it back and forth to England isn't really tempting either.
It's not just you, it's piss-poor rf isolation on the audio outputs. Listening with bluetooth doesn't solve the issue either as bluetooth has its own noise.
Yeah, I have yet to listen to a decent pair of BT headsets.
So this is a known problem, and it's definitely a HW issue? The fact that it's only there when sound is played, and is also there with a headset (where shielding around connectors is not and should not be a problem at ALL) made me hope this was softwar related. Argh, what to do then? The sound quality despite this seemed prety decent, although a headache today prevents me from really listening to music and say for sure. Shame.
*Pondering refund options.*
Any chance of isolating around the connector and fixing this, if it is "airborne" caused noise, or will the noice enter the equation before the connector (cabling, sound chip)?
I will try with a relatively high impedance headset (sennheiser 555) and see if it is better there. But can't take them on the bus anyway. But a couple of Ωs could always be added somewhere along the cable and might do some good. Have to have the sound at the lowest levels with the in-ears. Maybe a software fix to lower the volume output will help? Or won't it, if RF noise is the cause?
red: I will buy this item and hope it helps. And will look into lowering the volume output when using headphones as well. Should be possible (atleast it usually is with tweaks in WinMo.)
I have similar problem with HTC Magic: forum.xda-developers.com/showthread.php?t=633035
Here is one more post regarding HTC Jade: forum.xda-developers.com/showthread.php?t=463365

Why cant I use speakers or tape deck adapter without my HD going nuts?

Hey odd question, lately when I plug in speakers or a tape deck adapter to my HD 2, it will close out whatever program switch to music, then it will cycle music like crazy. Kinda like if its getting a signal to switch tracks etc. Anyone know what could be causing this? Using Energy Rom.
Because the HD2 uses a headset with media controls, and most likely it is getting false signals from your speakers, also the headset jack is a microphone jack not just speakers, you cannot just plug stereo speakers into a jack that has contacts for , controls, mic , and sound ...
Thats odd when you say that tho.. cause I use use Nokia MD 4 (With the FM ant able in the cord) http://www.newegg.com/Product/Produ...9&cm_re=nokia_speakers-_-75-975-079-_-Product
The HD2 works fine.. just anything else messes it up. So what is everyone using in the car and so?
I plug my FM transmitter into the headphone socket in the car,and use
2 different types of headphones,a generic in ear set and some
folding Sennheisers,neither give me any issues,they just work....
I use a set of travel speakers plugged straight into the HD2 speaker jack & everything runs fine.
I plug it into my stereo and it works 100%
I sometimes get the crazy behaviorwith common headphones. It's fine 99% of the time, but sometimes in the pocket the plug will start doing some bad contacts, and then it starts switching tracks, or even calling the last number...
Need to remove the headphones, wait a moment till it processes the ton of "false commands" that were sent, and plug again. Sometimes a reboot is needed too.
Youd think there could be a fix or on cooked roms a way to disable inputs from the headphone socket.
I guess I should have been a little clearer what I said, ...
and yes I typed it hard to understand ....
Some speakers work, some don't , some will give you false inputs, others will not ....
Most small portable speakers will not ...
I tested this theory just a little while ago ...
My regular headset from my mp3 player works fine ...
1 out of 2 sets of computer speakers I have makes my HD2 freak out ...
I tried my travel speakers again and they were fine, so I have tried my brothers portable speakers that are a different make, they too work fine. I have just tried it with my big house speakers and again fine.
Thinking about it, my Omnia & my HTC P3600 both came with headphones that had a microphone & control buttons on & I never had any problem plugging them into any speakers, same as I don't with my HD2 so I'm sure it can't be the phone & must be a rom issue or something like that I guess.
Sorry I can't be more helpful with an answer, but hopefully the tests I've just done will help in some way.

Sound distortion playing music with some headphones

I have found some strange behaviour that i'm hoping someone else can test out on their Galaxy S.
I have found that some headphones seem to work fine with the phone for music playing but others result in the sound being distorted with the vocals being very faint as if the left and right channel are cancelling each other out (with vocals generally being on left and right channel).
The packaged Samsung headphones appear to work properly although the quality seems average. I tried my iPhone headphones but these resulted in the strange sound distortion described above. I also tried a pair of cheap Sennheiser which were a free give away with a purchase from Richer Sounds and they worked well. Another pair of no-name cheap headphones exhibited the same distortion problems as the iPhone headphones.
Oddly, the FM radio sounded ok with all the headphones, it's just the music player that has the problem. I have also tried a couple of other music apps including the doubletwist player to rule out the software.
I'm considering taking it back to the shop to swap for a replacement. I'd be grateful if anyone could try out some headphones (particularly iPhone ones) on their Galaxy S and report their results to see if this is just a quirk with my phone or the Galaxy S in general.
Many Thanks
I just need some clarification because I know that a headset, and not headphones, is delivered with the Iphone. If it was a headset then I might suspect that different Iphones use different polarity as opposed to Samsung. Try out the Samsung headset on the Iphone.
EDIT:
Obviously not the problem. I must have skipped over the radio experience.
I can't post a link to it, but I remembered that GSMArena did a thorough review of the SGS. If you find your way to it, go to page 6 and see the sound chart at the bottom. SGS is superior in sound to iPhone. Perhaps the iPhone headset/headphones and the cheap ones are not sufficient for the SGS? I'm guessing
I had a similar experience when I tried to use the Samsung Spica headset on my HTC Hero. It seems that it might be a difference in polarity as suggested above.
Does all the headsets that give distorted sounds have a microphone on them? (E.g. not headphones)
the iPhone's headphones have extremely high distortion regardless of the media using to play them. The SGS is probably just overpowering them because they are very loud headphones as well/easily powered.
No it's nothing to do with them being overpowered.
I have an expensive pair of etymotic in ear headphones that are exhibiting the very same problem. Strangely I found a fix. They have a microphone on them and pressing in the answer button on them seems to fix the problem. I have taped the button down now and everything works perfectly. The second that button is released though, everything goes back to being faint, muffled and distorted.
Odd!
PS. This isn't just with the music player. I noticed it first watching a video.
It sounds like Samsung has their own way of producing the 3.5mm port with regards to the microphone support.
The Samsung headset distorts music on my HTC Hero.
The HTC headset distorts music on my gfs Galaxy Spica
To be clear, are you saying the problem only affects headsets with microphones? I have etymotic er4p headphones and it would be a deal breaker if they didn't work right with this phone.
If its only showing up in the media player, check that you havent enabled the 5.1 button in the the top right of the player. This can really screw with the sound and entire frequency ranges can be lost. I'm guessing this is whats happening.
The default headphones work fine for me if a little tinny, but with my Senheissers, the results are very pleasing. Apart from a slight gap between tracks that should seemlessly play through, I prefer using it to my iPod Touch. Being able to change tracks and volume without unlocking is a nice feature.
I threw my iPod headphones out years ago, they're the most ridiculous design ever, with the cable tapping the inside sleeve all the time when you walk or run.
k2snowboards88 said:
To be clear, are you saying the problem only affects headsets with microphones? I have etymotic er4p headphones and it would be a deal breaker if they didn't work right with this phone.
Click to expand...
Click to collapse
It sounds like that the problem is with headsets with microphones, yes. Not sure if it happens with all 3rd party headsets w/ mic though.
Considering you have etymotic, and ClownShoes a few posts up have problems with this brand, I guess you're out of luck unless you wanna tape the answering button like he did.
The er4p is just headphones, so it sounds like i'm in luck.
Got my GS a few days ago and im having exactly the same problem with the Etymotic hf2 Headset with mic. So yeah it looks like it the mic that causes the problems.
sim87 said:
Got my GS a few days ago and im having exactly the same problem with the Etymotic hf2 Headset with mic. So yeah it looks like it the mic that causes the problems.
Click to expand...
Click to collapse
It's a little bit crude, but taping the button down does work.
I have the same issue with with Monster Studios even with the cable without the integrated mic. Would be great to have some sort of fix.
Headphone issues
Just thought I would post what I knew about the issue, both me and my dad purchased the same pair of headphones to use on mp3 players (the headphones are ultimate ears metro fi 220 vi's if I remember correctly, these have an in-line microphone as well as a single button for answering calls and to control music playback). Whilst I experienced no distortion when using them on my iPod Classic, my Dad's Creative player would produce the issues described above - he found that either taping the button down or slightly pulling the headphones out would solve the issue however it ended up annoying him so much that he went back to using another set of headphones.
I don't know what causes the issue but I just thought I would let people know
i have some sennsihaur sport headphones which work fine no problems. i also a monster fm transmitter in the car.. again no problesm.. just make sure the volume is not on max but 1 setting below max.
Hmmmm, a few problems here. Obviously the standard Samsung headphones are fine, no humming, no background noise. However if I connect the following:
1. Standard Apple iPhone (with mic) loads of background noise, humming etc
2. Shure (no mic) loads of background noise, humming etc
3. B&O (no mic) loads of background noise, humming etc
4. Shure (with mic adaptor) loads of background noise, humming etc greatly reduced by pressing the mute key.
Using the Shure adaptor with the others resulting in the same as 4.
Needless to say I'm not happy!
That's too bad. Not being able to use my Shure with the phone renders it useless for music and that IS important.
In the SERVICE MODE *#*#197328640#*#* there is an audio menu
there you can change the headset settings too like NR noise reducion.
i did not test and changed the settings but when i had the samsung omnia2 last year
i had some problems with my headset and fix it in in the sevice menu.
when you gonne do some tests write down the orginal settings before you try.
hope this will help some of you..... and post the results
im sure its the jack, cos the galaxy s has a 4pole trrs at left/right/mic/ground
iphone compatible headset have a 4pole trrs at left/right/ground/mic
thats why pressing the mic button clears up the sound as it closes the circuit
so it a matter of finding an adaptor that switches the mic and ground terminals
I have a tf10vi and im trying to diy one
will post the results
Just saw the post and thought I would check mine again, not that I noticed anything....anyway tried few songs and different types and all are sounding amazing, I use Sure 530 so music needs to be no lower than 256 to get the best out of the phones, most of my music tracks are 320bit.

[Q] Playback through Car aux connection

I play audio podcasts through car's aux in and just plug in the other end to my Focus's headphone jack. I have noticed that many times the podcast suddenly lowers volume to nearly inaudible levels and happens intermittently.
Once the problem shows up if I
- play songs, the volume level is fine
- stop and start playback of podcast, the problem persists.
- unplug and continue playback on Focus' speaker, the volume level is just fine
- unplug and plug it back in and the problem goes away.
- never have this problem when playing back over headphones (when in gym)
I have this problem only with Podcasts and don't get it at all with songs or videos.
Anyone else noticed this?
Audio output sucks on this phone, that is for sure. Major issues. Sorry to hear about yours.
Thresher said:
Audio output sucks on this phone, that is for sure. Major issues. Sorry to hear about yours.
Click to expand...
Click to collapse
how so? i'm not having any problems at all.
Did any of you notice it's not your standard 35mm jack? The headphones that come with the phone are clearly deeper than the standard jack, and have two bands around it instead of the normal one.
I presume you are using standard cable to connect to car's aux jack....
I would check to see if there is a special samsung accessory to make the proprietary jack into a standard aux output?
Samsung are notorious for using this style of jack on their phones. The Galaxy line of android phones use the same jack.
dead_on_the_floor said:
Did any of you notice it's not your standard 35mm jack? The headphones that come with the phone are clearly deeper than the standard jack, and have two bands around it instead of the normal one.
I presume you are using standard cable to connect to car's aux jack....
I would check to see if there is a special samsung accessory to make the proprietary jack into a standard aux output?
Samsung are notorious for using this style of jack on their phones. The Galaxy line of android phones use the same jack.
Click to expand...
Click to collapse
that is weird. i hook mine up to my car with the same jack i used for my iphone with no problems. in fact i am under the assumption the sound quality is actually better than with the iphone.
maybe this is a canada thing?
The plug is set up to use headsets with the microphone, and may not work well with some older stereo audio cables. However, I have used it with a podcast and found it to work quite well. I suggest trying another cable, cuz the Focus works fine.
The line level output of the 3.5mm jack is approx. 40% less than that of the iphone, or my HTC Tilt2. That is the issue I have and that others have commented on.
For instance, iphone plugged in playing on my car stereo, Panteras Cemetary Gates @ 320kbps MP3 is mind boggling loud at 50% volume on the car and 100% volume on the iphone. With the Focus the car stereo volume needs to be at 90% to be equal to the volume of the iphone.
Also, since the Focus needs to be at 100% and the car stereo nearly 100% you hear the phones whining, hissing and popping and every non-music portion.
Super lame.
There's some volume problems that I've noticed on the Focus, in that it's not consistent through playback sessions and such.
The iPhone 4 uses a Cirrus Logic codec with an integrated headphone amplifier, the Focus seems to use the built-in codec with it's headphone amplifier, which might not have the same amount of oomph.
I've measured a 7-8dB lower volume on the Focus when using a line-out cable to an Audio Precision test machine.
Thanks for reporting that! Great post.
Does anyone have this problem?
Ok, I have a mp3 car adaptor that I used with my Tilt and Tilt2 without any problems. Rich sound and bass. I plugged in my Focus (just got it last night) and music only comes out one speaker.
In my '95 M3, I run an Alpine HU (9814 IIRC) with a Line in Adaptor, I run very HD (thick) gold plated lines and a Splitter (all from Monoprice.com, one goes to my portable Sirius, other pops up by my center console sunglass cubby, split happens under the passeger seat) and I usually have my 120Gb Zune attached to it, but I tried with the Phone the other day and it worked great. Played a Tool concert and it sounded as good as the Zune. Like the Zune I set the volume to about 80%, still had plenty of head room for serious volume in the Alpine. (only way to listen to Tool is LOUD!) I do run an old school Pioneer Amp, Pioneer Kevlar Components, 2 JL Audio Stealth Boxes (each is an 8" Sub).
I want to escalate this issue but I need you guys to quickly reply on the MS forums so that it gets taken seriously. Please hit the "I need an answer too" button and give some sort of descriptive reply.
http://social.answers.microsoft.com...7/thread/9c92dad9-5e12-465d-a0fb-b9465179b436
I hope that his is a software side optimization since we are able to make the volume higher with the diagnostic codes.
I added my vote there.
Raptor550 said:
I have a second complaint. When I stick a headphone jack in the mic turns off, it probably is expecting an inline mic with the headphones. My problem is when I then go to pull out my headphones the phone doesn't notice and will continue to not hear. It takes two or three times reinserting and pulling out the headphones to remidy this. Is anyone else haveing this issue.
Click to expand...
Click to collapse
Same problem here. But is worst, I connect the Focus to my Car Auxiliary jack to use it as a mega speaker, I mean, when someone calls I can hear them, but they can not hear me. The microphone is dead when I plug it in. Someone knows a fix for this?
jaraya13 said:
Same problem here. But is worst, I connect the Focus to my Car Auxiliary jack to use it as a mega speaker, I mean, when someone calls I can hear them, but they can not hear me. The microphone is dead when I plug it in. Someone knows a fix for this?
Click to expand...
Click to collapse
Can't say that I have a fix for it, but it may be the connection your cable is making with the jack in the phone. I do the same thing, have the phone mounted in a jack around the same height as my head unit and people hear me fine when I speak during a call. I am currently using a cable from radioshack designed for recessed headphone jacks. Can't think of the brand off the top of my head however.
rswilson411 said:
Can't say that I have a fix for it, but it may be the connection your cable is making with the jack in the phone. I do the same thing, have the phone mounted in a jack around the same height as my head unit and people hear me fine when I speak during a call. I am currently using a cable from radioshack designed for recessed headphone jacks. Can't think of the brand off the top of my head however.
Click to expand...
Click to collapse
Hi pal, thanks for the reply, but I couldn't understand very well your explanation. What is a recessed headphone jack? What is the head unit?
Thanks in advance!
I have not noticed this problem however the microphone shutting off is very annoying and funny since at&t says texting while driving is unsafe yet i have to unplug my phone while driving to turn on speaker and talk. they need to fix that ASAP

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