Looking for Deals On Car Audio Subwoofers
July 29, 2010 by JoelC2009
Since I can remember, I’ve been linked to car audio to one degree or another. Although the car companies have significantly improved their stock sound systems lately, they however cannot achieve the quality furnished by after market car car stereo products. With my experience, one topic which is usually discussed is “which are the Best Car Subwoofers” in the marketplace. Truthfully speaking, it really is clear the answer is strictly subjective and dependant on a person’s connection with a particular car speaker brand. A subwoofer is a bigger speaker created only to reproduce those deep bass frequencies that add so much towards richness and pleasure of nearly any music.
In real life it is really abnormal if any salesman ever endorsed anything different then a brand name he personally has for sale in his store as being the best model subwoofer. Even though salesmen could come in contact with numerous famous brands, their motive for suggesting any specific car speaker should be suspect given that his selling that specific subwoofer brand name is his basis of personal earnings. For this reason it really is refreshing to report the findings of an unofficial survey based upon many years of responses and recommendations from actual purchasers of different brand names of car audio subwoofers. This appears like the good way of judging overall performance of any speaker in real life conditions. I’ve heard often of the customer who adored a specific subwoofer inside the show room then disliked the sound when it had been set up in his car or truck.
The survey shows that the JL subwoofer is among the most well liked car audio subwoofers available on the market. These subwoofers are favorites among the critical car audio enthusiasts as well as those new to the hobby of car audio.
Three additional sub woofers that remain on the favorites list are the Alpine subwoofers, Rockford Fosgate subwoofer and the Polk subwoofer. All the brands mentioned have great records in sound competitions as well as being very musical subs.
For being judged among the “Best Car Audio Subwoofers”, the subs taken into account ought to be capable of producing good sound quality when played at all power levels. Often a number of models of car audio subwoofers will have a tendency to lose decent sound quality when played at increased levels. This of course would disqualify them from being judged the best best car subwoofers.

Hot! Hot! (Bass Mix) – Co-Fusion // Frequencies – Francois K. #nowplaying
check the output on the radio.make sure it is actually an output.many radios come with more than one set of rca connectors on the back of the rado.also check to make sure you dont have to turn the output on if its a dedicated sub output.also check the fuse in the power line be sure the that its getting pwr from the remote only,some amps will turn the light on but not have enough pwr to run the amp.hope this helps
#nowplaying Factory Floor's 16-16-9-20-1-14-9-7. The bass frequencies have realigned my internal organs, but at least I can read Grazia now.
Sounds like a defective unit.
If you do get it working, here are some suggestions on how to set it up….
The gain (level) is the most important.
The purpose of the gain is to match the signal volts RMS coming from the source (CD player, etc.) to the input of the amp for correct power matching and to prevent clipping (damage by over powering).
Here is a guide that will help you set the gain correctly
You'll need a multi-meter (AC voltmeter, $15 from Radio$hack), Microsoft Excel and a way to burn an audio CD from an MP3 (test tone included).
If you don't have Excel, You can downlaod OpenOffice by Java (SunMicro Systems) for free to read spweadsheets (and you thought spreadsheets were for business).
Set the LPF to just below the highest range of the frequency response of the subs. Meaning if the frequency response of the sub is 20-200Hz, set the LPF to about 180Hz
OR
set the LPF to where the other speakers start off. example, if the speakers start at 150Hz, set the LPF to about 160Hz. This overlap (or crossover – where the term comes from) is the ideal setting.
Set the subsonic (infrasonic) filter to about the same as the lowest setting in the range of the frequency repsonse of the subs. Meaning about 20Hz if that's the lowest in the range (20 -200Hz as above, if applicable).
Don't set the Bass Boost above +2dB (if applicable).
Set the phase to 0 (if applicable).
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