[GregS[_3_]]

In article , wrote:
I have a car amp that is rated as 20 wpc rms. I plan to use it indoors with
a 12v ps. How many amps should i need? Thanks.


Its likely you will get less than 16 wpc at 12 volts. You need 13.8 volts or up to 16 volts max.
Fuse at 5-6 amps.

greg