Output wattage question


New member
Username: The_red_ranger

Post Number: 3
Registered: Jul-05
If a head unit only states that it has 45 watts of power for 4 channels, is it a waste of money to buy speakers with more than 45 watts of nominal output? Will quality suffer?

Bronze Member
Username: Firlefanz

Post Number: 28
Registered: Jul-05
Your ears will suffer when you turn up the vol of the hu all the way.
I wouldn't consider it a waste of money to invest into some good speakers, if you have decent hu and you might upgrade an amp later you wont regret it.
Of course the full potential isn't used till then.
Besides 45 W rms is quite normal for car speakers.

Gold Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 8572
Registered: Dec-03
no head unit is 45x4 RMS
that's a peak rating.
real power is about 15 watts x 4 RMS

don't confuse power handling of speakers with the amount of power they need to perform well.
power handling is only a thermal tolerance rating.

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