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Introduction KX.2 Series Amplifier Owner’s Manual Two Channel Models: KX350.2 / KX450.2 / KX550.2 / KX850.2 Congratulations! Attention: You have just purchased the latest in amplifier Please record your purchase information in the area technology to carry the famous KICKER name. below. We recommend attaching the original sales Your KICKER KX series amplifier is designed receipt to this manual for future reference. and built to give you years of powerful and trouble-free performance. This in
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Features Low Impedance Operation Class A/B stable into 2 ohm stereo Remote Bass Level Control Dash or center console mountable or 4 ohm mono loads. for remote fine-tuning of bass output. SORT Protection Circuitry (Short circuit, Over-voltage, Reverse EndKaps Cast aluminum, custom, removable covers to polarity, Thermal) Protects amplifier from accidents and protect and hide all your wiring connections to the amplifier. undesirable operation. Can be prepped and painted any custom color you cho
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Installation Mounting When selecting a location to mount your Kicker amplifier be Remember the controls on top of the amplifier will need to be sure it is structurally sound and that there are no items behind accessible for adjustment. Keep this in mind as you choose your the area where the screws will be driven that could be damaged. amplifier’s mounting location. Check for wire harnesses, brake lines, fuel lines, gas tanks, etc. Now that you are ready to mount your amplifier, use the All am
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Wiring The ground should be connected to the amplifier first before Signal can be input into the amplifier using either the low level making any of the other connections. This wire should be as RCA input connections or the high level (speaker level) input short as possible (24 inches or less) and connected to a paint- connections. Using the low level RCA connections is the and corrosion-free solid metal area of the car’s chassis. Use the preferred method. Use the high level inputs only if your s
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Installation USING THE SIGNAL OUTPUT JACKS (PAST) Remote Bass Level The Output (Pre Amp Signal Transfer) RCA jacks allow you to When the crossover on your KX series amplifier is set to LOW send the incoming signal from one Kicker KX series amplifier to another amplifier or processor without the need for Y cables. The PASS, you have the ability to control the output level of the signal from the PAST jacks is identical to the signal fed to the amplifier from the driver’s seat using the supplied
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System Diagram The following diagrams show the most common configurations for your Kicker KX series amplifier. TWO CHANNEL OPERATION (STEREO) KX.2 series amplifiers are capable of operating into a minimum impedance of 2 ohms per channel in stereo operation. RIGHT SPEAKER(S) GROUND _ R - REMOTE + R+ TURN-ON SIGNAL OUT 18" SIGNAL IN or less L - _ L+ +12V FUSE + BATTERY LEFT SPEAKER(S) BRIDGED OPERATION (MONO) KX.2 series amplifiers are capable of operating into a minimum impedance of 4 ohms when i
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Installation System Diagram STEREO AND MONO SIMULTANEOUSLY (SAMS) KX.2 series amplifiers are capable of operating into a minimum impedance of 4 ohms mono and 2 ohm stereo simultaneously with the use of passive crossovers. GROUND RIGHT SPEAKER(S) _ _ HIGH PASS CROSSOVER R- REMOTE + TURN-ON R+ SIGNAL OUT 18" or less SIGNAL IN L- +12V FUSE _ L+ + MONO BATTERY HIGH PASS SPEAKER + CROSSOVER LOW PASS CROSS- OVER LEFT SPEAKER(S) 8 KX AMPLIFIERS
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GAIN CONTROL Navigation Remember, the gain control is not a volume control, it matches On your Kicker amplifier there are three rotary controls on top the output of the head unit to the input level of the amplifier and and one switch on the end panel. These controls ensure the reli- must be adjusted properly for best performance. All the way up ability and performance of the amplifier, so they need to be set or down is not necessarily the best.Turn the head unit up to correctly. about 3/4 volume
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Help Red LED on, no output: Troubleshooting 1.) Amp is very hot. Thermal protection is engaged. Check for proper If your amplifier does not appear to be working, check impedance at speaker terminals. Also check for obvious things first such as blown fuses, poor or incorrect wiring adequate airflow around amplifier. connections, incorrect setting of crossover switch and gain 2.) Amp shuts down only while vehicle is running. controls, etc. Voltage protection is engaged. Voltage to the amp
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Trouble Shooting Poor stereo image or reduced bass response: Please Note: Modern high performance speakers have a lower Check system phasing by turning the balance control DC Resistance than what used to be available. The Kicker from left to right. If there is more bass output when Coaxial and Component Speakers are rated at four ohms (some turned to either side then check your speaker wiring for DC Resistances may be as low as 3 ohms) and work with any proper positive and negative connection
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Specifications Performance Model KX350.2 KX450.2 KX550.2 KX850.2 RMS Power in Watts, All Channels Driven @ 14.4V, 4 Ω Stereo, < 1% THD+N 110 x 2 150 x 2 205 x 2 295 x 2 @ 2 Ω Stereo, < 1% THD+N 175 x 2 225 x 2 275 x 2 425 x 2 @ 4 Ω Mono, < 1% THD+N 350 450 550 850 @ 12.5V, 4 Ω Stereo, 0.085% THD+N 70 x 2 90 x 2 115 x 2 180 x 2 @ 2 Ω Stereo, 0.5% THD+N 135 x 2 180 x 2 230 x 2 360 x 2 @ 4 Ω Mono, 0.5% THD+N 265 360 420 650 Length With EndKaps 16” (40.64cm) 19.25” (48.90c
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WHAT IS NOT COVERED? ELECTRONICS LIMITED WARRANTY This warranty is valid only if the product is used for the purpose for which it was Kicker warrants this product to be free from defects in material and workmanship designed. under normal use for a period of THREE (3) MONTHS from date of original purchase with receipt. When purchased from a Authorized KICKER Dealer it is It does not cover: warranted for TWO (2) YEARS from date of original purchase with receipt. In all • Damage due to improper
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Notes Notes Tech Lines 14 KX AMPLIFIERS
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Pizza Delivery #’s Hookups 15 KX AMPLIFIERS Notes
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