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RMS basically means the wattage at which the sub woofer can run indefinitely without any serious risk of failure. Typically the companies that produce the Sub woofers advertise a max power. A good estimate of the RMS wattage is about 1/3 to 1/2 the max wattage, so typically a sub that says max wattage of 1000w would be around 300 - 500 watts RMS.

Also take into consideration that not all sub woofers are constructed the same, a good example is from my personal experience, I bought 2 12" off brand Legacy subwoofers rated at 800w RMS and I ran them at about 1000w RMS, and they both blew after a week. On the same note I bought my brother in laws 2 12" Rockford Fosgate subs rated at 2000w RMS and they have been running strong at 10000W for a couple years and absolutely no problems.

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Q: How do you find the RMS on a subwoofer?
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Related questions

What amp do you use for a car subwoofer?

You must first check with the guide to your subwoofer. Either you can probably find it online , but you need to know the RMS wattage for the subwoofer. Than buy an amp that can put out the same number of watts and the RMS is for the subwoofer.


Will a 1600 watt amp blow a 450 watt sub woofer?

Well, it depends. When you look at subwoofers, it will say RMS and peak. Now, let's talk about the "RMS" and "peak" on the subwoofer. The RMS is the real power. That's what were gonna be looking for. The RMS is the continuous power design for the subwoofer to operate. The peak is the maximum power the subwoofer can handle. Obviously, were not gonna be running the subwoofer with its peak power because that will decrease the life of your subwoofer. Running too much power or too little can damage your subwoofer. It's also important to run it by it's RMS rating. So, I don't know if that 450 watt is the RMS or peak. I'm assuming that it's the RMS. As long as you don't bridge it, it should be fine.


If your subwoofer is 350 watt RMS what watt RMS amp should you run it off?

biggest u can afford!


Do you need a bridgeable amp for a loaded subwoofer?

depending on how many rms the sub is


What Size amp should I get for a 900 watt RMS subwoofer. Im not sure of the max power.?

the subs rms tells you what u need.. so a 900 watt rms sub would be best with an amp from 800-1000 watts


Will a JBL 12" subwoofer put out as much bass as a Sony Xplode 12"?

The JBL is rated up to 400 Watts RMS, while the Sony is rated up to 380 Watts RMS.


How loud is 15 watt RMS amp?

How loud?I cant write how loud it is.but 15w RMS subwoofer is enough for a small room full of bass.10w RMS Satellite speaker is enough for enjoying Vocals and other midrange for a normal room.


How many RMS 5.1 home theatre speakers do you need for 180 sq feet room?

Should be between 200 -250 RMS Are you asking for the recommended POWER in watts RMS, or do you want to know how many speakers you will need? For a 5.1 speaker system, a system with 100-120 watts per channel RMS would suffice. This would be a total of 500 watts of power, plus the power amp that is built into the subwoofer. This would use 5 speakers, and one subwoofer.


Okay so im buying two Kenwood 12 4-Ohm SingleVoice Subwoofer they have 400w rms each I kno amp rms has to equal subs rms Now my question is what type of amp am i looking for what about ohms?

Get a 1600 watt amp. The best amps are Rockford Fosgates.


Do you need to run an amp with subwoofers?

Yes. Most head units only put out about 15-20 watts RMS, you need more than that to properly power a subwoofer. Ignore peak ratings, only use RMS ratings to match everything together.


How many watts can the Rockford Fosgate Prime 2-Channel Car Amplifier handle?

The Rockford Fosgate R150-2 2-channel amp puts out 50 watts RMS per channel to your speaker system, or you can bridge it to supply 150 watts RMS to a subwoofer.


What kind of amp do you need for one 10 inch Alpine Type X subwoofer?

Alpine offered up until last year the PDX-1000 wich is a 1000 Watts RMS amplifier designed with the type X subwoofer series in mind. Now the best match would be the PDX-M12. Set the amplifier gain carefully as this amplifier is a bit strong for this subwoofer.