Is 20 watts x4 really enough ??

[Dro 10+ year member]

I was planning on buying a set of infinity comps (6x8's i think) but was wondering if powering them off the HU would be enough coupled w/ my sub (12" xxx @ 1 ohm [2500 watts] ported 2.1cu box) or is the sub gonna drown out my highs unless i cop a multi channel amp ?

also any reccomendations as far as a 4 channel amp to use for the comps ? i believe they are 90-100 watts rms something like that

seems like they would be underpowered, no ?

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[Dro 10+ year member]

getting two sets of comps btw so 4 channel amp i think i would need (if 20 will not be enough)

 

[psych0ticnemes1 5,000+ posts]

you could always try it first... then go ahead and get a 4 channel if it isn't enough... rarely are comps powered well by a HU

 

[revrider1 5,000+ posts]

you could always try it first... then go ahead and get a 4 channel if it isn't enough... rarely are comps powered well by a HU

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[Dro 10+ year member]

right, well i was trying to keep things as simple as possible

looks like i might have to get the amp for my comps then

so in that case, all the multi-channel amps RMS ratings are based still on the driven ohm loads ... so how would i measure that when powering comps ?

 

[Tempe 10+ year member]

Built-in amps in head unit are a joke compared to an outboard component amplifier. Buy one and you'll NEVER want to use head-unit power again //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

Tempe

 

[JimJ 5,000+ posts]

I completely agree //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[JoseMCeee 10+ year member]

just get a nice 75 x 4 amp and you'll never need or want more power to your speakers.