I have a 300 watt (one channel) amp with two 150 watt subs hooked to it parallel. My question is, are both subs getting 300 watts, or is each sub getting 150 watts?
The amp is a mono amp with a 2 ohm load, the speakers are 4 ohm. I didn't know if the two subs are getting 300 watts each, or if they are getting 150 watts each.
Depends on the load impedance. Look closely at the specs: does it say "300 Watts at 8 ohms", or something like that? Then, look at the specs for your subs. If they happen to be 8 ohms each, putting them in parallel would result in a 4 ohm load. The answer is complicated, but it is possible that your amp is providing close to 600 Watts total power into a 4 ohm load. Keep it up for long, and it will overheat and burn out.
EDIT 11:59PM 2-DEC-10: Spec'ed at 300 Watts into 2 ohms? That's great: when you wire the two 4 ohm subs in parallel, they will present a load impedance of 2 ohms to the amp. So the amp will deliver its rated power of 300 Watts into the load, and 150 Watts will be delivered to each speaker. (The total current from the amp is split by the parallel connection.)
Enjoy it. Just don't ask me to stand near it!
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