Installation manual
TROUBLE SHOOTING
Check amplifier’s input gain control
settings - adjust levels if necessary.
Verify battery voltage is greater than
11.5v DC at amplifier with engine off.
Check Car Stereo and amplifier’s
ground connections.
Disconnect Speaker from Amplifier.
Verify speaker impedances. For Stereo/
2-channel mode speakers should be 2
or 4 ohms each. For Bridged mode
speaker(s) should be no less than
4ohms. Speaker impedances can be
found by checking speaker manufac-
turer specification or using a Digital
Volt/Ohm meter. If you need further
assistance with this please call
1-800-621-3695 x3.
Amplifier’s input gain control may be set too
high or settings not correct.
Low vehicle battery voltage.
Bad connection on car stereo or Amplifier
Wrong speaker impedances.
Lower gain control
Disconnect speaker from Amplifier.
Verify speaker impedances. For Stereo/
2-channel mode speakers should be 2
or 4 ohms each. For Bridged mode
speaker(s) should be no less than
4ohms. Speaker impedances can be
found by checking speaker manufac-
turer specification or using a DigitalVolt/
Ohm meter. If you need further
assistance with this please call
1-800-621-3695 x3.
Verify mounting location allows free air
circulation around amplifier.
Input gain control too high
Wrong Speaker impedances.
Not enough air circulation around amplifier.
Amplifier is covered by Carpet or other
material.
Amplifier operates.
But gets very hot.
Amplifier turns off
during loud or
distorted passages
or Protection Light
comes On.
EFX Audio warrants this product to be free from defects in material and workmanship, for a period of 1 year from purchase. This EFX Audio product is
sold with the understanding that the purchaser has independently determined the suitability of this product. This warranty DOES NOT cover any
expenses incurred from the installation, removal, or re-installation of this product incidental or otherwise.This warranty is offered to the original purchaser
of the product only. This warranty does not cover the product if physically damaged, subjected to negligence or misuse, abuse, improper installation,
alteration, accident, connection to improper WATTAGE amounts, or an act of God. Also excluded from this warranty are costs for the correction of faulty
installation, and elimination of electromagnetic interference. (Engine noise) The original dated sales slip or proof of purchase will establish warranty
eligibility. If the product should prove defective, within the warranty period, return the product with proof of purchase to EFX Audio, EFX Audio at its
option, will replace or repair the product free of charge, and return the product postage-paid. In no event shall EFX Audio, can not be responsible for
claims beyond the replacement value of the defective product, or in any way be liable or responsible for consequential or incidental damages. No
express warranties and no implied warranties whether for fitness or any particular use, or otherwise, except as set forth above (which is made expressly
in lieu of all other warranties) shall apply to products. EFX Audio can not be held responsible for discrepancies/inconsistencies that may occur, due to
automotive manufacturing changes or options.
LIMITED WARRANTY
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EFX Audio is a division of Scosche Industries Inc. 2009, visit us at www.efxcaraudio.com