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3

Install a fuse within 7” (18cm) of the battery and in-line with the power cable connected to your amplifi er.

source unit
high-level speaker
outputs

to amplifi er

shield

+

core conductor

KICKER KISL (optional)

from source unit high-
level speaker outputs

OR

to amplifi er

Model

External Fuse

(sold separately)

Power/Ground Wire

KICKER Wiring Kit

KMA150.2

1 x 40 Ampere

8 Gauge

PK8, CK8

KMA300.4

1 x 60 Ampere

4 Gauge

PK4, CK4

KMA450.6

1 x 80 Ampere

4 Gauge

PK4, CK4

12V

battery

external fuse

remote turn-on (see page 6)

POWER WIRING

ABYC-compliant power terminals

Amplifi er uses 304-stainless steel 
screws and conformal coated PCB 
for increased weather resistance

aluminum bottom 
plate

≤7”

(18cm)

 

 

 

 

 

 

 

 

 

   

 

   

 

Summary of Contents for KMA300.4

Page 1: ...KMA150 2 KMA300 4 KMA450 6 KMA AMPLIFIERS Owner s Manual...

Page 2: ...KMA450 6 IMPORTANT SAFETY WARNING PROLONGED CONTINUOUS OPERATION OF AN AMPLIFIER SPEAKER OR SUBWOOFER IN A DISTORTED CLIPPED OR OVER POWERED MANNER CAN CAUSE YOUR AUDIO SYSTEM TO OVERHEAT POSSIBLY CAT...

Page 3: ...outputs OR to ampli er Model External Fuse sold separately Power Ground Wire KICKER Wiring Kit KMA150 2 1 x 40 Ampere 8 Gauge PK8 CK8 KMA300 4 1 x 60 Ampere 4 Gauge PK4 CK4 KMA450 6 1 x 80 Ampere 4 Ga...

Page 4: ...TION STEREO MONO minimum impedance of 4 ohms STEREO OPERATION minimum impedance of 2 ohm STEREO AND MONO SIMULTANEOUSLY OPERATION minimum impedance of 4 ohms bridged mono and 2 ohm per channel stereo...

Page 5: ...ircuit KICKER will now provide a three year warranty with all KXA Series Ampli er purchases paired with a qualifying KICKER Installation Kit This extends the standard warranty by an additional year Am...

Page 6: ...o adjust the crossover frequency of AMP3 KMA450 6 only to OFF hi pass or lo pass from 50 200Hz and the hi pass crossover frequency of AMP1 AMP2 from OFF 200Hz OFF will pass a full range signal HI will...

Page 7: ...vity Green LED on no output Check the following RCA connections Test speaker outputs with a known good speaker Substitute source unit with a known good source unit Check for a signal in the RCA cable...

Page 8: ...ers head units Some head units may require additional grounding to prevent noise from entering the audio signal CAUTION When jump starting the battery be sure that connections made with jumper cables...

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