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MP3 now hardwired into auto audio system but still need advice
As I mentioned previously, I was attempting to get more gain/ better sound
out of my MP3/ cassette radio adapter for my car. However, I came across an auto radio modification recently that would allow me to directly wire the headphone output of the MP3 into the car audio system, and I decided to try it: http://tiny.cc/9dg2m Obviously, I'm using an MP3 player in place of the I-pod they use, but this actually worked out with one exception: even at maximum volume of the MP3, I still barely get enough signal to get a reasonable response out of the car radio (it's less volume available than with the cassette adapter system). This brings up the question: what are thoughts/ experiences about using a small headphone amp, such as the Fiio E5, between MP3 output and hardwired car radio input, in order to boost the signal enough for better frequency response and, more importantly, gain? Thanks, Harry W. |
#2
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MP3 now hardwired into auto audio system but still need advice
On 12/18/2010 7:28 AM, Harry Weebawoo wrote:
even at maximum volume of the MP3, I still barely get enough signal to get a reasonable response out of the car radio (it's less volume available than with the cassette adapter system). This brings up the question: what are thoughts/ experiences about using a small headphone amp, such as the Fiio E5, between MP3 output and hardwired car radio input, That might work. I have the same problem with my $15 MP3 player, whether I'm using it with the cassette adapter or plugged directly into a line input jack on the radio of a rental car. I have to run the player's volume control up full in order to get a usable volume from the radio. In the interest of making the internal rechargeable battery last a long time on a charge, they simply don't have much voltage available at the headphone jack. Even with headphones, I need to push the volume control up pretty high if I'm listening to my own "non-mastered" recordings and not a ripped ultra-compressed CD with the WAV file running near full scale nearly all the time. I have to turn the volume control on the radio up considerably higher than when I listen to a standard FM broadcast (which means I need to be careful not to get blasted out of the seat when I switch to the radio!). This means, also, that the signal-to-noise ratio isn't as good as it could be since I'm amplifying the player's noise with the car radio amplifier. I live with it since it's the program material I'm after, not the ultimate fidelity. Your mileage may vary. -- "Today's production equipment is IT based and cannot be operated without a passing knowledge of computing, although it seems that it can be operated without a passing knowledge of audio." - John Watkinson http://mikeriversaudio.wordpress.com - useful and interesting audio stuff |
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