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How To Install a Subwoofer

Old 07-13-2006, 11:54 AM
Join Date: Jan 2006
Posts: 183
Default RE: How To Install a Subwoofer

O.K., lets start with the headunit. How many outputs does it have? Front/rear/subwoofer? Front/rear? Does it have high-level outs? These are things you can find in your owners manual. The outputs are what sends signals to an external amplifier.

The sub and box comes next. Unless the box has an amp, or the subwoofer is self-powered, you'll need one of each. It doesn't sound like it's either.

Typically you have a sub, an enclosure and an amplifier.

When you are looking at an enclosure make sure that it is proper for the subwoofer. Some subs are for sealed, ported or bandpass enclosures.

When you are looking at an amplifier make sure it can be utilized for a subwoofer. See if it has a high-level in for the signal.

You'll need RCA's, fuses', power cables and a plan of what you want to do.

I'm sure you'll have more questions, so just ask.


P.S. I'm sure I'm missing a number of things, but this just gives you an idea...
Old 07-13-2006, 10:32 PM
Jm is offline
Join Date: Jul 2006
Posts: 36
Default RE: How To Install a Subwoofer

You should maybe go to bestbuy or local car audio place to get them to install it. Remeber when you are going to buy an amp check out the RMS watts and not the peak, RMS is what really counts. 6.5s are door speakers you would be better off getting 2 10" subs i suggest Alpine type-Rs only becasue they sound good with all kinds of music. I have a 1600watt 600rms on my stock battery and its perfectly fine.

Everything you buy for the system counts. So make sure you get a big enough guage wires for everything too. I think you can go to and they have wire guides for all kinds of systems.

hope this helps!
Old 07-14-2006, 02:57 AM
Been Around A Long Time Member
Join Date: Jan 2006
Posts: 1,475
Default RE: How To Install a Subwoofer

first...... goto best buy to have them install it if you dont care if anything in your car gets screwed up.

second any amp wiring kit usually provides you with everything you need xfeet of power wire, a few feet of ground wire, an inline fusebox with a fuse, x feet of remote turn on wire (this gets tapped onto your decks ignition wire), and then x feet of speaker wire

third usually the cut off point for when you need a capacitor is defined at about 800watts rms, otherwise most anything below that can run off the stock system with little to no issues (issues meaning dimming lights)
the stock alternator is made to power everything in your car for the peak amperage of all the items that are stock which is usually about 70 amps

but if you arent going to run high power you wont need a cap or second battery

this website lays out the general gauge you need for power wire depending on the distance from the battery that you have the amp and how much power the amp draws
Old 08-01-2006, 03:57 PM
Join Date: Aug 2006
Posts: 45
Default RE: How To Install a Subwoofer

Wow, do a LOT of reading. There's no way to completely explain the how to and what not to do's of car audio installation. There are SO many things that will make you very unhappy with the sound.

1- Installation (and this is the biggie). It's NOT how much wattage you have or how much you spend (sometimes this isn't always true), but its what you do WITH what you have that makes or breaks the system. I used to compete in car audio and won a major show (best in show) running my entire car off a 20w x 4 amp. That was 4 sound-stage speakers and one 12" sub. In wiring a car, you can do things that will create feedback (alternatore noise) or distortion. I always recommend drawing out your car on paper, then diagraming where you will run your wires. DO NOT run them together. Get some help with this, as it is the most important issue. Make sure you don't run signal (source) wires with power wires. I always ran wires on opposite sides of the car.

2- Equipment. You can do a lot with cheap equipment (if it is hooked up well). However, the higher quality components are more forgiving. Cheaper components will generally pick up noise easier. You can teach an elephant to sing, but he won't sound pretty. In other words, you get what you pay for. However, most high end competition equipment is designed to sound increadible. But the difference between the competition stuff and just high end consumer stuff is negligible, and most people (not audiophiles) won't know the difference.

Summary: Get the best stuff you can afford and put most of your attention into propper installtion. I'm a do-it-yourselfer, so I didn't follow this advice. I learned the old fashioned way. through trial and error. But there were a lot of heartaches and some ruined amps/speakers from incorrect wiring. I enjoyed this, but I would recommend people have it professionally installed if the are complete novices (like yourself) or if you must DIY, then get a semi-competent friend who has done it before (and buy him some beer and pizza).

Old 08-03-2006, 01:39 AM
Join Date: Jul 2006
Location: Stow/Cuyahoga Falls/Kent, OHIO
Posts: 96
Default RE: How To Install a Subwoofer

buy subs from theyll give you vehicle specific instructions
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