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Depends on how much juice the sub uses ,but almost always the answer is yes especially if you want a sub that kicks at all.You'll need an amp if your subwoofer costs anywhere over about 50 USD. Otherwise the subwoofer is probably junk and you shouldn't waste your money on it anyway.

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Q: Do you need an amp if you want to put a subwoofer in your car?
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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.


How do you add a subwoofer to your car when you have no power amp on a 1990 Honda civic EX?

in fact , some subwoofer with amp. you don't need buy amp. give you one good guide http://www.12vcity.com


Why does your car stall after installing a subwoofer?

your car should not stall after installing a subwoofer. your problem might be the fact that your amp and your subwoofer(s) could be using too much of your cars electricity.


What is the best set of car speakers for playing heavy metal music?

12 inch Bose speakers are what you want, along with a amp and subwoofer.


How do you put a subwoofer in your car?

You have to run the powers and grounds for the amp, do not forget to set up the remote wire either. then you will need to connect the amp to the CD player auxillary with the RCA's, then you just wire your sub to the amp.-Shocker


I have two 1200 watt subwoofers for my car Do you need an amp and if so what size Will they affect your battery much?

First you will absolutely need an amp to power any subwoofers. Nowadays subwoofers come along with amp..& normally one 1200watt subwoofer decrease your car battery lifetime to 2-4 month


How do you connect subwoofer?

Wire the subwoofer to and AMP and the amp has to be directly hooked up to your battery. There is a second wire that is hooked up to a wire that only has power when the keys are turned. This turns the Amp on by turning on a relay in the amp powering the sub. And connect the ground to something steel in the car.


How do you mount subwoofer?

To often mount a subwoofer you will need your desired subwoofer box of choice. Once you have decided what type of box you want, then you will need to take your subwoofer and insert it into the subwoofer hole. Then you screw it down. Once this is done you take your wires and run it into the subwoofer. An amplifier is not necessarily needed, but you'll definitely want one. You will then take your amplifier and connect it to your cars battery, and then also ground it to your car.


What speaker match to 500 watts amp?

All car speakers will go well with a 500 Watt amp, but for the best effect, get a power subwoofer.


How do you power a powered subwoofer to factory car stereo?

Take the rcas from the amp and connect it to the + and - posts on one of your speakers.


What is a really good car subwoofer with a built in amp for under 100 with 200 watts or more?

There isn't one


What do you need to install a car audio system?

Head unit amp and subwoofer with box also mid range woofer and tweeters.Yes, but if you only want to install say 2 6x9's you won't need an amp and it'll still sound ok. You'll also need wiring kits for each component.But that not a system that would be speakers. There are asking about a audio system.