![]() ![]() Getting a “good enough” power supply if you’re not driving the amp hard (fine for casual listening).For casual listening, you can get by with a lot less.īasically, there are 2 ways to go about choosing a power supply for a car amp: However, the truth is that’s only if you need a lot of power. You can estimate how much electrical current (amperage, “amps”) your amp will draw based on its maximum power given in watts RMS. You can find many affordably priced parts on Amazon, eBay, and from electronic part suppliers. Retail stores are pretty bad about not having the parts you may need, so you might want to plan ahead and order parts online. ![]() The good news is that most of it is affordable and you can even make use of some power supplies like a computer DC supply you may left over. Unless you have all the parts already, you may need to spend a little bit of money to get what you need & get it working.However, there are some easy ways to deal with this, too. Turning the amp on/off (remote wire): Home stereos or other audio devices don’t have a remote wire output to switch your amp on and off.Not just any AC/DC 12V adapter will do – I’ll cover this below. You’ll need a +12V AC-DC power supply with enough current to run the amp. ![]()
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