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Running them straight through a fused at 15amp 12 volt source is fine
IT won't blow. Because - if you nderstand electrical devices it's about how much Jucie it will suck.
But as mentioned.
You do get Alot cleaner power by running a small inverter.
If you have laptop or similar device to be run originally by 110volt (most original desgined gear is 110Volt not 230volt )
by taking the charging power from your car then passing it into a inverter then a transformer desgined for the unit and then into the device. You can eliminate two things Power surges/voltage-amp(current) spikes and additional noise.
Alternators -especially Mitsubishi supplied mazda Alternators are well known for noise and well IMO just typical bad desgin. There are good models and then there are the many redesgins.
Now I have no interest in putting a home entertainment system into a car !
As my entertainment is MY CAR.
I personally think anyone who adds devices as such I question it all.
I have DVD/player type screan it's for GPS use - only reason I bought it. Does have Tv because it was free for me. But I've never really used it. I have many large LCD's and 55inch Plazma to watch TV or Movie. Why any one would watch a moive on 7inch screen. original Tv was bigger
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