Ohms vs Wattage


Unregistered guest
Assuming I had two 200RMS/400MAX wattage subs, both four-ohm single voice coil... If I were to run them in parallel to achieve 2 ohms, how much wattage could they take when combined? What is the equation for figuring combined wattage on parallel configurations? I can't find it anywhere else... are the wattages from each speaker just added, or is there something bigger that I'm missing?

Bronze Member
Username: Stanleyc

Post Number: 69
Registered: Oct-04
The wattage is the same. No addition no subtraction. In parallel you would want to supply 200watts.

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 4999
Registered: Dec-03
with two single coil 4 ohm subs, rated for 200wRMS each, in parallel, you want a mono amp rated for 400wRMS @ 2 ohms.
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