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And a truck is likely 24v, so twice the power for the same current. It’s also not unheard of for trucks to have high power devices like inverters in the cab, so may have much more current and power available.

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fmstrat@lemmy.nowsci.com ⁨2⁩ ⁨months⁩ ago
12v car battery and alternstor is more than enough. The limiting factor is the fuse and/or melting wires. Thats why giant 1000w subwoofers use thick wire and larger fuses directly from the battery.

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- Ilovethebomb@lemm.ee ⁨2⁩ ⁨months⁩ ago
  Vehicles like that will usually have an upgraded alternator, either that or be constantly dealing with a flat battery.
  
  1kw at 12v is 85 amps, that’s well over half the capacity of a typical car alternator.
  
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  - fmstrat@lemmy.nowsci.com ⁨2⁩ ⁨months⁩ ago
    Having installed a number of systems, I think you are overestimating the care owners have for their alternator.
    
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    Ilovethebomb@lemm.ee ⁨2⁩ ⁨months⁩ ago
    I’ve met a few that are firmly in the second camp, and are unable to comprehend that they are using more power than their alternator can produce.
    
    There’s something about the doof doof audio crowd…
    
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