Depth and powerful sound are important for good quality of music. Speakers can be installed at various places inside the car like door panels, dash and rear decks. They enhance the sound effect for higher notes. But to enjoy lower tones adding a sub woofer to a factory stereo is the best choice. Let us see how to do that now.

First we look into list of things needed to complete this work. They are trim panel removal tool, speaker wires and Philips head screw driver. First we should remove the connection of ground cable with the battery of the car. Usually the negative lead of car battery connects the car frame. To do this we shall take the help of Philip head screw driver which loosens the clamp of the cable connected to the negative lead of the battery.

The next step is to search for the amplifier in the vehicle. In most cases it is factory made. The manual which is issued along with the vehicle by the manufacturer is to be referred often. The sub woofer is placed either in the car area in the rear end in the case of hatch backs or SUV or in the trunk of the car. The speaker wires are then connected to the corresponding outputs that is positive and negative ends of the amplifier.

Fourth step is very important. The speaker wires should be connected with the positive and negative terminals of the amps correctly. The next step needs some attention. The wires of the speaker should be routed to the place where sub woofers are present. Suppose if the location of sub woofers is not near the amplifier then wires can be taken under the carpet of the vehicle. Use trim panel removal tool for prying of panels at the openings of the door. The trim panels can be replaced by hand itself after laying the wires under the carpet.

The carpets are lifted and the wires are routed through this. Hiding the wires gives a custom look and avoids clumsy look. The trim panels are replaced manually. To fit them properly, pressure must be applied uniformly through out the panel’s length.

The positive wires are then connected to the positive terminal and in the same way the negative terminals connected with the negative wires. That is in general corresponding connections between sub woofer input and the speaker wires are made. At last a re connection is established between the vehicle battery’s negative lead post and the grounding cable. Then the cable clamps are fixed in its position and re installed using a Philips screw driver.

This article would have provided a complete answer on How to Install a Sub woofer in a Factory Stereo with step by step instructions without the help of professionals to do the job.

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There are few tools required for accomplishment of this task. The usage of such tools will reduce the man power required and makes it easy to complete the task. It may include amplifier and dual speaker.

The first step is to check the impedance of the sub woofer. They come in many ranges of resistances or impedance. Four ohm and two ohm are the most common ranges available. This sub woofer may also be of dual voice coil they don have variations that are unusual. The very common type of sub woofer under using is the four ohm range. And so the plans for wiring are all designed so as to match this kind of sub woofer.

The woofer can be placed either in the cargo area at the rear back or the car’s trunk in the case of models like hatch backs or SUV .There are channels in the amplifiers. Then the amplifier position is located after which the manual is gone through for any kind of procedure to be followed.. To these channels the wire from the sub woofer is connected. The ends of these wires are stripped by an inch.

The connections are made through terminals amongst which push type is commonly used. In this type the wire is inserted into a hole which will open, when the lever connected to it is pushed. The steps are the instructions for dual channel amplifiers.

Amplifiers and sub woofers have different kinds of terminals. Push terminal is the most common type of terminal. This terminal pushes a small lever an a hole is generated. And the wire is slipped through this. A mono amplifier can also be used to wire a sub woofer. The step 2 is followed once again. The amplifier’s positive terminal is connected to the first sub woofer’s positive in the same way the negatives are also connected. These are repeated and also known as Daisy chaining often.

Now are woofers are connected.it should be noted that if the negatives and positives are mis- connected or not . These mis-connections will bring down the quality and the output of the music, because it disturbs the set up of the subwoofers. Thus it may result in malfunctioning of the woofer set. This will surely bring down the effects of the music. Subwoofers connected to dual or single channeled amplifier will not make much difference in the sound quality and music interpretations.

One should always know how to wire dual sub woofer, so as to have their car stereo and sub woofer working in a proper condition and to enhance good sound quality.

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