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post #1 of 25 (permalink) Old 05-11-2019, 10:56 AM Thread Starter
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Problems with SONY Mex M71BT

The new Sony MEX M71BT Radio, that I installed when I upgraded My Audio System, recently has given me a lot of trouble.
While riding, it constantly changes functions and the display changes colors.
When I shut the radio off for an extended period then turn it back on it returns to DEMO Mode and all the presets are lost.
I have tried everything imaginable but for the life of me I cannot get this radio to work properly.
I have contacted the Vendor and they have already sent me a Return & Exchange Form.
Since all the trouble I want to go with a different Head Unit altogether.
I really like the Sony but don't want to go through the same hassle all over again.
I was thinking of the Sony MEX M100BT.
Any suggestions in regards to Head Units is great appreciated.
It should be noted that I had the Alpine CDE149BT but had problems with that one too.
Thanks.
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post #2 of 25 (permalink) Old 05-11-2019, 05:38 PM
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Quote:
Originally Posted by Mike U View Post
The new Sony MEX M71BT Radio, that I installed when I upgraded My Audio System, recently has given me a lot of trouble.
While riding, it constantly changes functions and the display changes colors.
When I shut the radio off for an extended period then turn it back on it returns to DEMO Mode and all the presets are lost.
I have tried everything imaginable but for the life of me I cannot get this radio to work properly.
I have contacted the Vendor and they have already sent me a Return & Exchange Form.
Since all the trouble I want to go with a different Head Unit altogether.
I really like the Sony but don't want to go through the same hassle all over again.
I was thinking of the Sony MEX M100BT.
Any suggestions in regards to Head Units is great appreciated.
It should be noted that I had the Alpine CDE149BT but had problems with that one too.
Thanks.
Mike U.
What kind of problem did you have with your Alpine ? Which I was about to suggest.

2010 FLTRX , Stage 1, 13" Madstad, Mono tubes, SuperShox, Heritage style bars. Alpine CDE-HD149BT,Soundstream Picasso Nano Series PN4.520 , 5X7 and 6.5 Infinity Kappa speakers
If I have to explain ,you wouldn't under stand anyway.
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post #3 of 25 (permalink) Old 05-11-2019, 07:33 PM
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i had a sony radio like this as well. not sure if it was the exact same model, but i had to get a different head unit. my sony had a voice command feature that if you depressed the knob, you could give voice commands like calling from the bluetooth connected phone. not particularly useful on a motorcycle. problem was you couldn't disable it and a bump would wiggle the knob enough to activate it and cut out the radio and ask for your command. god was it annoying. i ripped that SOB out and tossed it in the trash. i don't know if it's just my bad luck, but i've never had good luck with sony head units.
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post #4 of 25 (permalink) Old 05-11-2019, 08:19 PM Thread Starter
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Originally Posted by Big_gary View Post
What kind of problem did you have with your Alpine ? Which I was about to suggest.
Big_gary, the problem I had with the Alpine was it wasn't playing as well as I expected it to.
I think the problem I had with the Alpine may have been the Hawg Wired Amp I was using to power it and the speakers.
I am going to put the Alpine back in this week and see how it works with the 3 Soundigital Amps and DSP I am running now.
If it plays as well as the Sony I have in there now I'll be happy.
If not, I'll just send the Sony back for either a replacement or an upgraded Sony.
Mike U.
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post #5 of 25 (permalink) Old 05-18-2019, 05:09 PM Thread Starter
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Well, I took the opportunity of a nice day and removed the Sony MEX M71BT that I had various problems with and replaced it with my old Alpine CDE HD149BT.
I will be sending the Sony back for a replacement.
The Alpine is playing okay but it's still not to my liking.
I really like the sound of the Sony Head Units.
But I don't want to go with another Sony MEX M71BT. I was thinking of the Sony MEX M100BT.
Any thoughts or different suggestions would be greatly appreciated.
Mike U.

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post #6 of 25 (permalink) Old 05-18-2019, 07:39 PM
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Quote:
Originally Posted by Mike U View Post
Well, I took the opportunity of a nice day and removed the Sony MEX M71BT that I had various problems with and replaced it with my old Alpine CDE HD149BT.
I will be sending the Sony back for a replacement.
The Alpine is playing okay but it's still not to my liking.
I really like the sound of the Sony Head Units.
But I don't want to go with another Sony MEX M71BT. I was thinking of the Sony MEX M100BT.
Any thoughts or different suggestions would be greatly appreciated.
Mike U.
What don't you like about the alpine ? Did you go into all the settings ?
I got the 149 on the bike and it's double din sister in my truck and think they sound great.
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2010 FLTRX , Stage 1, 13" Madstad, Mono tubes, SuperShox, Heritage style bars. Alpine CDE-HD149BT,Soundstream Picasso Nano Series PN4.520 , 5X7 and 6.5 Infinity Kappa speakers
If I have to explain ,you wouldn't under stand anyway.
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post #7 of 25 (permalink) Old 05-18-2019, 07:51 PM Thread Starter
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Quote:
Originally Posted by Big_gary View Post
What don't you like about the alpine ? Did you go into all the settings ?
I got the 149 on the bike and it's double din sister in my truck and think they sound great.


Big_gary the Alpine doesnít sound as good as the Sony. I have the HU EQ at flat and have it connected to the DSI-2.
Iím going to play around with it a bit more and see if I can get it to my liking.
Iím hoping the Alpine isnít a lemon like my Sony was.
Mike U.


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post #8 of 25 (permalink) Old 05-18-2019, 08:31 PM
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Quote:
Originally Posted by Mike U View Post
Big_gary the Alpine doesnít sound as good as the Sony. I have the HU EQ at flat and have it connected to the DSI-2.
Iím going to play around with it a bit more and see if I can get it to my liking.
Iím hoping the Alpine isnít a lemon like my Sony was.
Mike U.


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Mike, I'm not sure about the 149, but the 265 has some good tutorials in youtube on the settings. Both the 149 and the 265 have the same sound settings. These settings make a huge difference in sound. Not sure about what they will do with your DSP in line, but it's definitely worth a look.
Good luck.
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2010 FLTRX , Stage 1, 13" Madstad, Mono tubes, SuperShox, Heritage style bars. Alpine CDE-HD149BT,Soundstream Picasso Nano Series PN4.520 , 5X7 and 6.5 Infinity Kappa speakers
If I have to explain ,you wouldn't under stand anyway.
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post #9 of 25 (permalink) Old 05-18-2019, 09:04 PM Thread Starter
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Quote:
Originally Posted by Big_gary View Post
Mike, I'm not sure about the 149, but the 265 has some good tutorials in youtube on the settings. Both the 149 and the 265 have the same sound settings. These settings make a huge difference in sound. Not sure about what they will do with your DSP in line, but it's definitely worth a look.
Good luck.


Thanks for the info Bro.
Iíll check The YouTube and see if that helps.
Mike U.


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post #10 of 25 (permalink) Old 05-23-2019, 01:39 PM Thread Starter
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The Sony MEX M71BT, that I returned, arrived at The Vendor yesterday and I was given store credit for it.
Today I called and placed an order for The Sony MEX M100BT.
Once it arrives and I get it installed I will make a post on my thoughts.
To Be Continued.......
Mike U.
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