Is 2 ohm or 4ohm better?

 

Bronze Member
Username: Rubbersdown

Tucson, Az Usa

Post Number: 17
Registered: Jul-04
Is it better to get a smaller amp and run it at 2 ohm to get to yur rms or is it better to get a bigger amp so you can run it at 4 ohm at your rms?
 

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 4187
Registered: Dec-03
Honestly, it's technically better for car audio to run the amp at 4 ohms if you're after sound quality.
The problem is that most amps put out considerably more power at two ohms, so to get a lot of power from an amp, you either need to run at lower loads, or buy a relatively expensive, large amplifier to get the samw power at higher loads.

The system won't sound "bad" at 2 ohms.. but on paper, or on a scope, you'll get better headroom and SNR with lower distortion and superior damping by running at 4 ohms instead of 2.
If you'll actually hear the difference may be a different matter entirely.
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