Relay for Audio System

-lanz-

Known Member
Senior Member
Jul 9, 2009
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Perak/Kedah
I just install a Double Din HU in my car recently.The shop guy tel me to install a relay with it for better performance.The relay is very expensive as RM100++.What is the relay function for the audio system in our car?
 

Izso

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Helmet Clan
Moderator
Mar 28, 2004
15,389
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KL
a relay for better performance??? And a brand new relay for a headlamp costs RM30 at most. I suggest you go somewhere else for a 2nd opinion
 

arturo

nooB
Senior Member
Aug 5, 2004
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SateCelupLand
Relay is just a switch...how can that improve performance? n what sort of performance they talking bout? sound quality or car go fast fast?
 

howiechoo

8,000 RPM
Senior Member
Jul 25, 2004
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Bukit Jalil
in some cases, a relay are used to direct another better source of current to a system, but if install a headunit must add in relay is just a gimmick. unless you got some special mod on ur system. Find a good installer and you are saved from these marketing stuffs......
 

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