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Treo Stereo Headphone Adapter

Anyone who like me enjoys listening to music or other audio content on his Treo knows that because the audio jack is 2.5mm we need to have a Treo stereo headset adapter if we want to use our normal 3.5mm headsets.

Until now the only widely available adapter had been palmOne’s which most Treonauts would agree is a ‘huge & ugly one’.  After posting my review of the Bose Quiet Comfort2 noise cancelling headsets early last week a few sharp-eyed people noticed that I wasn’t using the standard adapter (pictured below) but instead had a much smaller and narrower one.

Seeing that so many other people then asked me about it I promised that it would become available in the Treonauts Shop this week.  Therefore, as promised, I’m glad to say that the new Treo Stereo Adapter has been added to the shop today priced at $5.95.


The new Treo Stereo Adapter is very similar to the one pictured above but has the added benefit of gold plated finish.  There’s no doubt that it is significantly smaller and at least for me a hell of a lot more practical to use with either my noise cancelling, Shure or other headset.

Treonauts are always refining their experiences

Posted by Andrew on June 24, 2005 at 02:32 PM

Treo Accessories , Treo Headphone Adapter

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by Destin | Jun 24, 2005 2:36:21 PM

Son of a...

I JUST bought the old one from the Treonauts store on Wednesday. >:(

by Mike Hardy | Jun 24, 2005 3:00:09 PM

Destin - no kidding! I just bought one of the old ones two weeks ago, and they initially messed up part of my order, then sent me three adapters (which arrived this week) to compensate.

I have *3* old ones now. I'll never be able to justify getting the new one. Alas :-)

by Lee | Jun 24, 2005 3:39:29 PM


by Shawn | Jun 24, 2005 8:44:29 PM

by matt | Jun 24, 2005 10:49:32 PM

Erm, I don't think it is exactly new because over here in Singapore, we already have adpaters of that design ever since the treo 600 days. and it sells for SGD 10.

Hope this helps...

by Sean Jackson | Jun 25, 2005 9:26:19 AM

Let me ask if anyone has this problem. I've got the voice dial software from palm one. When ever I use a car cassette adaptor (you know, one of those things that looks like a cassette that connects to the headphone jack in your treo), the voice dial continually tries to switch on. Is there any way to get that to stop?

by Mr. Peabody | Jun 27, 2005 12:29:15 PM

To Sean Jackson: Yes, I had the same problem. Whenever you install* VoiceDial, use a filebrowser program such as FileZ to browse your internal files and delete the small file with the name of something like "VoiceDial_68k.prc". Deleting that file will prevent activation of VoiceDial when you have anything plugged into the headphone jack.

* (or reinstall VoiceDial after a hard reset; from my experience, you'll always need to completely reinstall VoiceDial after any hard reset -- deleting the VoiceDial.prc from your Backups folder prior to re-syncing after a hard reset prevents other problems, too. I keep a copy of the VD installer on my SD card at all times; when it's time to reinstall VD, copy the VoiceDial installer from SD to RAM, and open the installer from RAM -- NOT from the card, because the installed gets be deleted after it installs the program.)

by Mr. Peabody | Jun 27, 2005 1:11:10 PM

To Treonauts.com: Boy, how I wished I'd used the Seidio Headphone adapter from the beginning. I used the bulky adapter jack in conjunction with a cassette adaptor in my car to listen to MP3s, and now the headphone jack is hosed (I've already taken all the advice I saw on various forums to "jiggle the jack" the get it working -- it worked for the first couple of weeks, but now the headphones do not work at all).

So shortly, I'm going to be using my warranty to get this fixed/replaced. But in your car, especially with all the potential jumbling around if you don't have a decent Treo 650 car cradle, I'd advise not even using the bulky jack AT ALL.

I am holding out for car version of the "Seidio INNODock Cradle for Treo 650" so I can simply slide my Treo into the cradle without removing the case; and since I presume the car version will also not plug into the headphone jack (using only the sync port for audio out, amazingly) this cradle would therefore not mess up what I've found to be a weak point in the Treo 650 construction.

I am happy to hear other comments about the headphone jack on the 650. At one point, I'd thought I'd use it as an MP3 player at the gym, but no longer...

by Shelly | Jan 11, 2007 6:53:32 PM

I need to get an adaptor that will work with may auxillary plug on my car stereo. These don't work. I've been searching but can't find one! Help!

by Aelia | Oct 19, 2007 3:53:39 PM

HELP! I got a Treo Headphone adapter from Radio Shack, only problem is that I still can hear from only 1 side (right)of the headphone. Will this adapter provide sound from both sides of the headphones?

by joseph | Jan 9, 2008 4:24:27 PM

shelley: i presume the mp3 / aux jack in your car is a 3.5 (1/8") female. if you already have this adapter, go to radio shack and get a 3.5 male male cord (PLUGS ON BOTH ENDS) if not try finding a 2.5-3.5 male male

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