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J12W
Installation Guidelines
To achieve the best possible sound from this subwoofer enclosure,
Dual recommends acquiring the services of a professional car
audio installation center.
If you feel confident in your ability to install this product
without the assistance of a professional, please read this
section thoroughly. We have provided a number of placement
recommendations and installation tips to assist you. Keep in mind
these are provided as a guideline and you may find that other
placements specific to your vehicle may provide better results.
• Make sure all moving parts and factory electrical wires are out of
the way and will no interfere after installation.
• Ensure the wire is of sufficient length to avoid pulling or
stretching. This is even more important if the wires will be run
under or through the factory interior.
• Use electrical tape and wire ties to ensure all wires are properly
secured.
• Avoid installing speakers or electronics where they can be
subject to moisture.
• Ensure the speaker wires are connected using correct polarity.
The positive polarity is marked by a (+) sign. Incorrectly connected
subwoofers will result in limited bass output.
• Speaker wire should be isolated from the vehicle’s electrical
system to avoid noise being picked up by the amplifiers.
• We recommend using 14 gauge or larger sized speaker wire
to ensure your subwoofer receives the full power output of your
amplifier.
• Remember to listen responsibly and respect your ears. Being
exposed to sounds over 125dB for even short periods of time can
create permanent hearing loss!
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