Specifications
Symptom Probable Cause Action To Take
Distorted output 
Internal crossover not set  Readjust crossovers. Refer to the
properly for speakers  Internal Crossover Configuration
section of this guide for detailed 
instructions.
Speakers are blown  Check system with known work
ing speakers and fix or replace 
as needed.
Poor bass response
Speakers wired with wrong  Check speaker polarity and fix 
polarity causing cancellation as needed.
at low frequencies
Crossover set incorrectly  Reset crossovers. Refer to the 
Internal Crossover Configuration
section of this guide for detailed 
instructions.
Impedance load at amplifier Check speaker impedance load, 
is too low  if below 1W, rewire speakers to 
achieve higher impedance.
Battery fuse
blowing
Short in power wire or  Check power and ground con-
incorrect wiring  nections and replace or repair as 
needed.
Fuse used is smaller than  Replace with proper fuse size.
recommended 
Actual current exceeds fuse  Check speaker impedance load. 
rating  If below 1W, rewire speakers to 
achieve higher impedance. 
Amplifier fuse 
blowing 
Fuse used is smaller than  Replace with proper fuse size.
recommended 
Impedance load at  Check speaker impedance load. 
amplifier too low  If below 1W, rewire speakers to 
achieve higher impedance.
Speaker is blown with  Check system with known work
shorted outputs  ing speakers and fix or replace 
as needed.
Actual current exceeds  Check speaker impedance load. 
fuse rating  If below 1W, rewire speakers to 
achieve higher impedance. 
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©2004 Directed Electronics, Inc.










