The impedance has the most important role here and it is mandatory to connect a subwoofer to a correct impedance. Due to the fact this step depends on a subwoofer and it is different for most devices, you will have to follow the instructions. Keep in mind that connecting a subwoofer poorly, can cause damage and you will ruin a brand new device. One example is more than useful. If you use watt subwoofer, connect it so the amplifier sends watts of RMS.
The next step involves placing a subwoofer in its box. This must be done after you have connected impedance. Then, connect positive and negative wires to the terminals on the subwoofer.
When you complete this step, line the entire box with polyfill. Now, all you need to do is to fix the box. In addition, a subwoofer must be perfectly lined down.
This is the easiest step. All you need to do is to connect positive and negative wires to the amplifier. It is recommended to check this step two times, due to the fact the wrong wiring can cause severe issues.
You will have to tune up the bass boost, frequency response, gain and additional parameters. There are some excellent choices available today including a wonderful amp I reviewed here as well!
Look for a good combination of price, power rating, and features. Good reviews are a must, too. Also, I recommend you buy a sealed enclosure as mismatching a subwoofer with the wrong vented box can result in terrible sound! If the speaker is not matched correctly, the sound produced can be far below what it is cable of. In most cases, a brand name box with speakers is designed specifically to work well with the speakers based on their particular characteristics.
This is the most convenient option for some people. Many amps, both single channel or bridged multi-channel amps, require a minimum speaker impedance Ohm rating of 4 Ohms, so bear this in mind when shopping.
You can learn more about that here. A car powered subwoofer is one that is an all-in-one bass system made up of a special enclosure, matching subwoofer, and has an amplifier already built-in.
The total cost for a powered subwoofer vs. A powered subwoofer is an all-in-one solution for subwoofer bass. Typically their overall cost is less or the same as buying the items separately. They do have drawbacks, however: while they offer a more convenient way to install and remove the audio system, they tend to be more likely to have lesser performance than by using a standard amp and box system. Car powered subwoofers tend to be more oriented to solving the problem of limited space in a vehicle and may be more limited in their speaker size, amplifier power rating, and the bass volume they can produce.
Some models, however, feature larger speakers and high power built-in. Some of these can be bought at stores like Wal-Mart or Harbor Freight for a discount price. Most can be bought for cheap on eBay or Amazon. It was a great deal, and has lasted well! A crimp tool shown with crimp caps is a great tool for a professional-quality installation to avoid having issues with wire connections later. I highly recommend using a cordless drill and drywall screws as they go quickly into the wood material of the box.
Most subwoofers use 8 screws. Subwoofers are heavy and have a lot of vibration when in use. Installing an amplifier consists of several basic steps:. Always be careful, and if necessary, carefully use a flat head screwdriver between gaps to help pry them off. Pull back the carpet to find room to hide your amp wire. With a flashlight, look underneath the dashboard and try to find a plastic filler plug that can be pushed out exposing a free hole you can use or a rubber seal with a factory wiring harness that goes into the engine compartment.
If you need to do this, use a punch, pointed object, or even a very strong and long screwdriver to put a hole in the rubber seal.
If by chance you find a plastic hole plug like this pop it out using a screwdriver and use it as a ready-made power cable hole. That makes things MUCH easier!
Then push it through the car interior if no easier alternative is available and into the engine compartment, where you can then finally pull it through by hand and remove the power wire from it. For best results, make a small loop on the end where you want to attach your wire and wrap it well with electrical tape to smooth over sharp edges that may snag.
You may find it easier to remove the back seat and find a gap that will allow you to easily run the wire to the back. This is very straightforward. Connect a crimp ring terminal and crimp using vice grip pliers or other strong pliers or a crimp tool. Place the fuse holder near the battery with approx. It happens! Use the ring terminal to fasten to a battery clamp bolt or stud. Use sandpaper or a wire brush to remove corrosion and expose clean metal if necessary.
For the best method, use a crimp ring terminal to attach the positive wire to the battery clamp on a stud or bolt. Be sure to remove the fuse before doing so, and install the fuse holder on the wire before connecting it to the battery. Hold in place by using zip ties to attach to nearby wiring, hoses, or brackets. Use a crimp ring terminal and secure it to the car body bare metal with a factory screw or bolt.
An alternative and faster solution is to use a cordless drill and self-tapping screw to drill into the metal and fasten the ring terminal at the same time. Otherwise using a self-tapping screw and a cordless drill make the work very quick. If the stereo in use is an aftermarket model a remote lead output wire should be available blue or blue and white. Connect this to your remote on wire included with your kit.
If no aftermarket car stereo is installed, it will be slightly harder. In that case you have a few options:. It may take time, but using a good multimeter you can locate one and then connect similar to the speaker wiring connections shown below.
On most aftermarket car stereos a blue output wire is for switching an external amp on and off. Connect to this if available. I normally use butt connectors crimp connectors for connecting wire securely.
Connect to the RCA jacks if available in the following order of preference:. You need to find wiring information for your vehicle and check at sites like the12volt. To do so, either wrap wire or cut the factory wire and connect to it using crimp connectors while attaching a small gauge wire when doing so.
Crimp connectors see the tool list above are reliable and make good electrical contact. I recommend you use those if possible. Use wire cutters to cut off the extra remaining zip tie length. Bundle your power and cable wires together neatly like this. The ties hold wiring in place, make it more manageable, and help keep things from moving around over time. Two amplifier mounting ideas that work for nearly all installations.
One of these should work. However, the board mounting idea looks much better and means you can mount your amp out of the way in many cases. You can find some great ones I use here.
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