APX_DPX Amps.qxd 2/6/2008 11:53 AM Page 9
Matching subwoofer output to mid-range speakers
The DPX1851 and DPX11551 feature a polarity control switch for reversing the polarity of the output signal. This can be useful when matching the acoustic output of your subwoofers to the output of your
Connecting directly to a head unit
The amps provide connections directly to a head unit without a
WARNING!
When using the speaker
Care and maintenance
Cleaning the case
Use a soft, dry cloth to gently wipe dust and dirt from the unit.
Do not use benzene, thinner, car cleaner, or other cleaners. These substances may damage the unit or cause the paint to peel.
Servicing the unit
In the event that trouble arises, never open the case or disassemble the unit. The internal parts are not serviceable by the user. Opening any components will void the warranty.
CAUTION
Changes or modifications to this product not approved by the manufacturer will void the warranty and will violate FCC approval.
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