# So what's a good FM transmitter?

**URL:** <https://forums.speedlife.net/t/so-whats-a-good-fm-transmitter/40789>\
**Category:** NYSpeed Off Topic\
**Created:** [December 26, 2007, 10:32am UTC](https://forums.speedlife.net/t/so-whats-a-good-fm-transmitter/40789 "2007-12-26T10:32:00Z")\
**Posts on this page:** 1\
**Showing post:** 41

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**Author:** ![Harvey](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/harvey/32/5069_2.png) [@Harvey](https://forums.speedlife.net/u/Harvey)\
**Post date:** [December 27, 2007, 11:46am UTC](https://forums.speedlife.net/t/so-whats-a-good-fm-transmitter/40789/41 "2007-12-27T11:46:37Z")

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> [@Fry](#):
>
> eesti have you ever actually used one of these with an MP3 player?
> 
> …
> 
> OK, the antenna wires all looked roughly the same size, so I plugged the car antenna into the Sirius box and the sirius box into the truck stereo. FM reception is great. If I unplug either side of the Sirius box the signal’s gone, so it seems like I don’t need any adapters there.
> 
> But, the Sirius radio connector is a 2.5mm mini-jack. So I stopped at radio shack and got a 3/32" to 1/8" adapter. But I plug in the MP3 player and I get nothing. The fm radio keeps playing like I never plugged it in.
> 
> :ham:

Not the same one, but a similar piece, I believe it was made by Clarion. Most of the universal ones use a switch.

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