# Made a set of monitors(PICS ITT)

**URL:** <https://forums.speedlife.net/t/made-a-set-of-monitors-pics-itt/248314>\
**Category:** Shift518 Automotive\
**Created:** [November 12, 2009, 11:08am UTC](https://forums.speedlife.net/t/made-a-set-of-monitors-pics-itt/248314 "2009-11-12T11:08:51Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![votblindub](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/votblindub/32/6280_2.png) [@votblindub](https://forums.speedlife.net/u/votblindub)\
**Post date:** [November 12, 2009, 12:26pm UTC](https://forums.speedlife.net/t/made-a-set-of-monitors-pics-itt/248314/11 "2009-11-12T12:26:02Z")

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> [@FS: 2002 WRBlue Pearl WRX - update - SOLD](https://forums.speedlife.net/t/fs-2002-wrblue-pearl-wrx-update-sold/25758/4):
>
> Vot you should know this stuff!
> 
> House AC sockets are 120V 60Hz, say into a 4Ohm sub… that’s 30Amps… about 3600Watts. Most subs don’t like that :lol
> 
> The caps in an amp are for the power supply.
> 
> I dont have much time to go into why audio is AC, I actually have a lot to do today at work. Google it or better yet take a 9V battery and connect a speaker to it :lol

oh yea a battery will make a speaker buzz. but im talking the outputs for the speakers on the recievers. arent they DC?

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