KMA AMPLIFIERS Owner’s Manual KMA150.2 KMA300.4 KMA450.
KMA MULTI-CHANNEL SERIES AMPLIFIERS OWNER’S MANUAL MODEL: KMA150.2 | KMA300.4 | 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 CATCHING FIRE AND RESULTING IN SERIOUS DAMAGE TO YOUR COMPONENTS AND/OR VEHICLE. AMPLIFIERS REQUIRE UP TO 4 INCHES (10CM) OPEN VENTILATION. SUBWOOFERS SHOULD BE MOUNTED WITH AT LEAST 1 INCH (2.
source unit high-level speaker outputs to amplifier core conductor + KICKER KISL (optional) OR – to amplifier shield from source unit highlevel speaker outputs Install a fuse within 7” (18cm) of the battery and in-line with the power cable connected to your amplifier. Model External Fuse Power/Ground Wire KICKER Wiring Kit (sold separately) KMA150.2 1 x 40 Ampere 8 Gauge PK8, CK8 KMA300.4 1 x 60 Ampere 4 Gauge PK4, CK4 KMA450.
STEREO OPERATION minimum impedance of 2 ohm (KMA450.
For multiple amplifier installations where distribution blocks are used, each amplifier should have its proper-rated fuse, or breaker, installed between the amplifier and the distribution block within seven inches of the block, or on the distribution block if it provides for fusing.
OPERATION REMOTE LEVEL not available with KMA150.2 and KMA300.4 Automatic Turn-On Selection: The KMA series offers two different automatic turn-on modes that can be selected on the end panel; +12V and DC Offset. Using the DC Offset mode causes the REM wire to have +12V out for turning on additional amplifiers. • Remote Turn-On: Set the switch to +12V to use the remote turn-on lead from your source unit.
KMARC REMOTE LEVEL INSTALLATION KMA450.6 only Surface-mount the KMARC remote using the supplied screws. back view Remote cable passes audio; do not run cable parallel to power wires. Connect the cable to the KMARC remote and the Remote connection on the amplifier TROUBLESHOOTING If your amplifier does not appear to be working, check the obvious things first such as blown fuses, poor or incorrect wiring connections, incorrect setting of crossover switch and gain controls, etc.
No or low output? nCheck the balance control on source unit oCheck the RCA (or speaker input) and speaker output connections. pCheck for reversed polarity at the speaker(s) Alternator noise-whining sound with engine’s RPM? nCheck for damaged RCA (or speaker input) cable oCheck the routing of RCA (or speaker input) cable pCheck the source unit for proper grounding qCheck the gain settings and turn them down if they are set too high.
ELECTRONICS LIMITED WARRANTY When purchased from an Authorized KICKER Dealer, KICKER warrants this product to be free from defects in material and workmanship under normal use for a period of TWO (2) YEARS from date of original purchase with receipt. If this product is identified as “Refurbished” or “B Goods”, the warranty is limited to a period of THREE (3) MONTHS from the date of original purchase. In all cases you must have the original receipt.
INTERNATIONAL WARRANTY Contact your International KICKER dealer or distributor concerning specific procedures for your country’s warranty policies. WARNING: KICKER products are capable of producing sound levels that can permanently damage your hearing! Turning up a system to a level that has audible distortion is more damaging to your ears than listening to an undistorted system at the same volume level.
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