Kicker Troubleshooting Your Amplifier Issues - ZX Series
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TROUBLESHOOTING

If your amplifi er does not appear to be working, check the obvious things fi rst such as blown fuses, poor or incorrect wiring connections, incorrect setting of crossover switch and gain controls, etc. There is an illuminated red badge on top of the amplifi er denoting the power state of the amp in addition to the Protection LED on the end panel of your KICKER ZX series amplifi er. When the red badge is lit, this indicates the amplifi er is turned on and the amplifi er is functioning properly.

RED Badge Light off, no output? With a Volt Ohm Meter (VOM) check the following: +12 volt power terminal (should read +12V to +16V) Remote turn-on terminal (should read +12V to +16V) Check for reversed power and ground connections. Ground terminal, for proper conductivity. Check for blown fuses.

RED Badge Light 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 feeding the amplifi er with the VOM meter set to measure “AC” voltage.

Protection LED flashing with loud music? The red LED indicates low battery voltage. Check all the connections in your vehicle’s charging system. It may be necessary to replace or charge your vehicle’s battery or replace your vehicle’s alternator.

Protection LED on, no output? Amplifi er is very hot = thermal protection is engaged. Test for proper impedance at the speaker terminals with a VOM meter (see the diagrams in this manual for minimum recommended impedance and multiple speaker wiring suggestions). Also check for adequate airfl ow around the amplifi er. Amplifi er shuts down only while vehicle is running = voltage protection circuitry is engaged. Voltage to the amplifi er is not within the 10–16 volt operating range. Have the vehicle’s charging and electrical system inspected. Amplifi er will only play at low volume levels = short circuit protection is engaged. Check for speaker wires shorted to each other or to the vehicle chassis. Check for damaged speakers or speaker(s) operating below the minimum recommended impedance.

No output from one channel? Check the balance control on source unit Check the RCA (or speaker input) and speaker output connections for the channel Swap the RCA (or speaker input) cable from left to right. If the problem changes sides then you have a bad RCA (or speaker input) cable or source unit problem. Swap the speaker output wire from left to right. If the problem changes sides then you have a bad speaker cable, passive crossover network and/or speaker.

Alternator noise-whining sound with engine’s RPM? Check for damaged RCA (or speaker input) cable Check the routing of RCA (or speaker input) cable Check the source unit for proper grounding Check the gain settings and turn them down if they are set too high.

Poor stereo image or reduced bass response? Check system phasing by turning the balance control from left to right. If there is more bass output when turned to either side, then check your speaker wiring, passive crossover networks and speaker terminals for proper positive and negative connections. Reverse a speaker connection from positive to negative on the stereo/subwoofer channel(s); if the bass improves, the speaker was out of phase.

No Fader? When using both sets of low-level (RCA) or high-level (speaker wire) inputs, the fader button must be pushed in.

Ground Noise? KICKER amplifi ers are engineered to be fully compatible with all manufacturers’ head units. Some head units may require additional grounding to prevent noise from entering the audio signal. If you are experiencing this problem with your head unit, in most cases running a ground wire from the RCA outputs on the head unit to the chassis will remedy this issue.

Please Note: Modern high performance speakers have a lower DC Resistance than what used to be available. The KICKER Coaxial and Component speakers are rated at four ohms (some DC Resistances may be as low as 3 ohms) and work with any amplifi er designed to operate at a four ohm load. If you want to use two KICKER Coaxial or Component speakers on a single channel of your amplifi er, wire the speakers in series. This will improve the sound quality, lower the total harmonic distortion and lessen the thermal load at the amplifi er. This may prevent an amplifi er from shutting down due to over-current protection circuitry.

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ZX AMPLIFIERS

2011 ZX 700.5 RevB.indd 6

10/12/2010 10:41:54 AM

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Contents ZX Amplifier Model InstallationRMS Power Performance≤18 ≤24Slide the housing until it snaps Into the metal bracket ZXRC* Remote Bass InstallationSignal Woofer Zxrc not included Conductor phone cableOperation Troubleshooting A. Only EE.UU. solamente Nur USA Les USA Seulement ZX700.5 Rendimiento Amplificador DE LA Serie ZX.5Modelo InstalaciónKicker Conexión a tierra o blindajeSeñal de entrada Woofer Funcionamiento POR Cuatro Canales CON SubwooferZXRC* Control Remoto DE Bajos Instalación Zxrc no incluido Cable de teléfono de 4 conductoresFuncionamiento Resolución DE Problemas ZX700.5 Leistung Verstärker DER ZX.5 SerieModell RMS-LeistungOder Vierkanalbetrieb MIT Subwoofer ZXRC* BASSPEGEL- Fernbedienung InstallationSignaleingang Tieftöner BefestigenBetrieb Problembehebung ZX700.5 Puissance Efficace MODÈLEZX700.5Performances SpécificationsMise sous tension à distance ÂmeMasse ou blindage BatterieFonctionnement À Quatre Canaux Avec Caisson DE Graves ZXRC* Télécommande DU Niveau DES Graves InstallationEntrée du signal Woofer MétalliqueUtilisation EN CAS DE Difficulté 2011 ZX 700.5 RevB.indd 10/12/2010 104201 AM Electronics Limited Warranty Box 459 Stillwater, Oklahoma 74076 USA 405 11ZX.5-B-20101012International Warranty Box 459 Stillwater, Oklahoma 74076 USA 405Stillwater Designs
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ZX700.5 specifications

The Kicker ZX700.5 and ZX550.3 are exceptional car amplifiers designed for audio enthusiasts seeking powerful sound performance and reliability. Both models are engineered to enhance your in-car audio experience with high-quality components and innovative technologies that ensure crystal-clear sound reproduction and robust power delivery.

The Kicker ZX700.5 is a versatile 5-channel amplifier that delivers a maximum power output of 700 watts. This amplifier is perfect for those looking to power multiple speakers and a subwoofer in their vehicle. The unique construction of the ZX700.5 ensures that it can efficiently drive the speakers while providing deep, thunderous bass. It features variable low-pass and high-pass crossovers for tailored frequency response, along with a remote bass boost control that allows you to adjust the bass levels from your driver's seat. The Kicker ZX700.5 is also equipped with short circuit protection, thermal overload protection, and a rugged heatsink design to ensure the amplifier remains cool during extended use.

On the other hand, the Kicker ZX550.3 is a 3-channel amplifier that produces an impressive 550 watts of power. This amplifier is ideal for those who want to drive three channels typically configured for front and rear speakers along with a subwoofer. The ZX550.3 includes an integrated crossover with adjustable low-pass and high-pass filters, which allows for precise control of the audio output. Its compact design makes it easy to fit in tight spaces, while also ensuring high-performance audio delivery. The ZX550.3 also comes with the same protective features that Kicker is known for, ensuring long-lasting reliability.

Both the ZX700.5 and ZX550.3 utilize Kicker's proprietary technology, which includes circuitry designed to minimize distortion and improve sound quality. They are compatible with a wide range of speaker configurations and can be easily integrated into existing audio systems. The amplifiers feature a sleek, durable chassis that not only looks great but also provides excellent cooling for optimal performance.

In conclusion, the Kicker ZX700.5 and ZX550.3 are standout amplifiers that offer high-quality audio performance, advanced technology, and reliable construction. Whether you’re looking to enhance your factory audio system or build a custom setup, these amplifiers deliver the power and clarity needed for an immersive listening experience on the road.
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