I’m building a simple car audio system with the intent of connecting any audio device to my car’s speakers (mp3 players, ipods, cd players, etc). For that, I connected the speakers to a line out jack, and I now use it to connect the devices. However, since most of these devices have little to no sound amplification, I bought the K4003 to do the job for me. I assembled it successfully and it seems to be working OK. However, I can’t connect to my car’s battery, which provides 12V/42A, and the K4003 needs 2x12V/2A. My question is what transformer should I use to get this to work?
The K4003 needs a symetric power supply i.e. 2 x 12V.
In a car, there is only one battery, so there is no way of creating a symetric power supply. You will have to look for an amplifier that runs of 1 x12VDC.
If I connect both + and - to the same 12V source in parallel, they will both have the same voltage, 12. When I make connections in parallel, it’s the amperage that is divided, not the voltage, if I recall correctly =)
I’m building a simple car audio system with the intent of connecting any audio device to my car’s speakers (mp3 players, ipods, cd players, etc). For that, I connected the speakers to a line out jack, and I now use it to connect the devices. However, since most of these devices have little to no sound amplification, I bought the K4003 to do the job for me. I assembled it successfully and it seems to be working OK. However, I can’t connect to my car’s battery, which provides 12V/42A, and the K4003 needs 2x12V/2A. My question is what transformer should I use to get this to work?
Thanks in advance
Gnitrops XG[/quote]
I guess if you wired an additional car battery up, and stuck it in the boot, you could get it to work.
