Kicker MX350.4 User manual

MX
MULTI-CHANNELMARINE
AMPLIFIER
MX350.4
©2007 Stillwater Designs

Installation . . . as easy as 1, 2, 3
1. Mounting Choose astructurally sound locationto mount yourKicker amplifier. Thecontrols onthe
top of theamplifier need to beaccessible foradjustment. Makesure there are no itemsbehind thearea
where thescrews will bedriven. Choose alocationthat allows at least 4” (10cm) of open ventilationfor
theamplifier. Mount theamplifier in alocationfree from directcontactwith water. Drill fourholes using a
7/64” (3mm) bit and use thesupplied #8 screws to mount theamplifier.
2. Wiring Disconnectthevehicle’sbattery to avoid an electrical short. Then connectan 8 gauge
grounding wire from theamplifier to thebattery’snegativepost.
Use atwisted pair(s) of RCA interconnectcable to feed theaudio signal to theamplifier. If you are
using only one pair of RCA inputs, connect
theRCA cable to theAMP 1 inputs. Leave
therubber boots ontheAMP 2RCA inputs.
Push thefader buttonto “OFF”, and all four
channels will work with asingle pair of RCA
inputcable. Push thefader buttonto “ON”,
when using two pairs of RCA inputcables.
Keep theRCA cable away from factory wiring
harnesses and other power wiring. If you
need to cross this wiring, cross it at a90
degree angle.
Install afuse within 18” (45cm) of the
battery and in-line with thepower cable
connected to youramplifier. If you ever need
to removetheamplifier from thevehicle after
it has been installed, theground wire should
bethelast wire disconnected from the
amplifier--just theopposite as when you
installed it. See thebelowforpower and
ground wire size, and fusing
recommendations.
3. Configuration Thefollowing diagramsshowthemost commonconfigurations foryourKicker MX
series amplifier.
TwoChannelOperation (Stereo) These MX amplifiers are capable of operating into aminimum
impedanceof 2ohmsper channel in stereo operation. See Figure 2.
BridgedOperation (Mono) MX.4 series amplifiers are capable of operating into aminimum
impedanceof 4 ohmswhen in bridged operation. See Figure 3.
StereoBridgedOperation (Simultaneously) TheMX.4 series amplifiers are capable of operating into
aminimum impedanceof 4 ohmsbridged and 2ohmsper channel in stereo operation. See Figure 4.
INSTALLATION
MX.4AMPLIFIER
MX350.4
FourChannelModel:
MX.4SeriesMarineAmplifier
Owner’sManual
Congratulations on your
KICKER purchase
Please record yourpurchase
informationand keep yoursales
receiptforvalidationof warranty.
Authorized Kicker Dealer:
Purchase Date:
Amplifier Model Number:
Amplifier Serial Number:
__________________________
__________________________
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ModelMX350.4 Fuse40APowerGroundWire 8GA
Note: To get thebest performancefrom yournew Kicker Amplifier, we recommend using genuine Kicker Accessories and Wiring.
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Signal In AMP 1
Signal In AMP 2
Right Speaker AMP 2 Left Speaker AMP 2
Left Speaker AMP 1 Right Speaker AMP 1
Minimum impedance of 2 ohms per channel in stereo operation
Remote
Turn-On
Battery
+12V Fuse
18"
Or Less
(45cm)
Ground
Signal In AMP 1
Signal In AMP 2
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Mono Speaker AMP 2
Mono Speaker AMP 1
Minimum impedance of 4 ohms when in bridged operation
Remote
Turn-On
Battery
+12V Fuse
18"
Or Less
(45cm)
Ground
Signal In AMP 1
Signal In AMP 2
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Mono Speaker AMP 2
Left Speaker AMP 1 Right Speaker AMP 1
Minimum impedance of 4 ohms when in bridged operation
and 2 ohms per channel in stereo operation
Remote
Turn-On
Battery
+12V Fuse
18"
Or Less
(45cm)
Ground
2 3
Figure 2
Figure 3
Figure 4
CONFIGURATION
Figure 1
Sealed Top Panel protects the
controls from water damage.
MX350.4

Operation
You rKicker MX.4 series amplifier has six rotary controls and three switches onthetop panel. Before
turning onthesystem forthefirst time, removethesealed top panel (protects thecontrols from water
damage) by removing thetwo phillipsscrews. See Figure 1. Then turn thesix rotary controls onthetop
of theamplifier to thefull counter-clockwise position.
1. CrossoverSwitch Thecrossover switches onthetop panel are forsetting theinternal crossovers.
IntheOFF positiontheamplifier passes afull-range signal to thespeakers. Use theLO positionwhen
connected to asubwoofer. TheHI positionshould beselected when connected to speakers, which you
do notwant to receiveany sub-bass information. Never change thecrossover "OFF/HI/LO" switch
setting with theaudio system on!
2. InputGainControl Theinputgain controlis notavolumecontrol. Itmatches theoutputof the
sourceunit to theinputlevel of theamplifier. Turn thesourceunit up to about3/4 volume(if thesource
unit goes to 30, turn it to 25). Next, slowly turn (clockwise) thegain ontheamplifier up until you can
hear audible distortion, then turn it down alittle. Adjust AMP 1, then proceed to AMP 2.
3. BassBoostControl Thebass boost controlis designed to giveyou increased output0- 18dB at
40Hz. Thesetting forthis controlis subjective. If you turn it up, you must go back and adjust theinput
gain controlto avoid clipping theamplifier.
4. CrossoverControl Thesetting forthis controlis subjective; 80Hz is agood placeto start.
LED Red, no output? 1) Amplifier is very hot. Thermal protectionis engaged. Test forproper impedanceat the
speaker terminals with aVOM meter (see thediagramsin this manual forminimum recommended impedanceand
multiple speaker wiring suggestions). Also check foradequate airflowaround theamplifier. 2) Amplifier shuts down
only while vehicle is running. Voltage protectioncircuitry is engaged. Voltage to theamplifier is notwithin the9-16
volt operating range. Havethevehicle'scharging and electrical system inspected. 3) Amplifier will only play at low
volumelevels. Short circuit protectionis engaged. Check forspeaker wires shorted to each other orto thevehicle
chassis. Check fordamaged speakers, orspeaker(s) operating belowtheminimum recommended impedance.
No output from one channel? 1) Check thebalancecontrolonsourceunit 2) Check theRCA and speaker
outputconnections forthechannel 3) Swap theRCA cable from leftto right. If the problem changes sides then you
have a bad RCA cable or source unit problem. 4) Swap thespeaker outputwire from leftto 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? 1) Check fordamaged RCA (orspeaker input) cable
2) Check therouting of RCA (orspeaker input) cable 3) Check thesourceunit forproper grounding 4) 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 thebalancecontrolfrom left
to right. If there is more bass outputwhen turned to either side, then check yourspeaker wiring, passivecrossover
networksand speaker terminals forproper positiveand negativeconnections. Reverse aspeaker connectionfrom
positiveto negativeonthestereo/subwoofer channel(s); if thebass improves, thespeaker was outof phase.
Ground-Loop Noise? If you are using only one pair of RCA inputs, connecttheRCA cable to theAMP 1 inputs.
No Fader? When using both sets of low-level (RCA) inputs, thefader buttonmust bein the“ON” position.
If you havemore questions abouttheinstallationoroperationof yournew KICKER product, see theAuthorized
KICKER Dealer where you madeyourpurchase. Formore adviceoninstallation, click ontheSUPPORT tab onthe
Kicker homepage, www.kicker.com. Choose theTECHNICAL SUPPORT tab, choose thesubjectyou are interested in,
and then download orview thecorresponding information.
Please E-mail [e-mail] orcall Technical Services [phone] forunanswered orspecific questions.
CAUTION: When jump starting thevehicle, besure that connections madewith jumper cables are correct. Improper
connections can result in blown amplifier fuses as well as thefailure of other critical systemsin thevehicle.
Performance
Model MX350.4
RMSPower in Watts, all channels driven
@14.4V, 4ΩStereo ≤1% THD+N 60x 4
@14.4V, 2ΩStereo, ≤1% THD+N 90x 4
@14.4V, 4ΩMono, ≤1% THD+N 175 x 2
Length: 13 1/2” (342mm)
Height: 23/8” (60mm)
Width: 10” (254mm)
Frequency Response, ± 0.5 dB: 20 Hz - 20 kHz
Signal-to-Noise Ratio: >95 dB, a-weighted, re: rated power
InputSensitivity: 125 mV - 5 V
Electronic Crossover: Variable HI, LO orOFF (bypass), 50- 200Hz, 12dB per octave
Bass Boost: Variable 0to +18 dB boost @ 40Hz
MX.4AMPLIFIER
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Model MX350.4
60 x 4 @ 4 ohms, 14.4Vdc, 1% THD, CEA-2006 (Watts)
Signal to Noise Ratio -98 CEA-2006 (ref: 1W, A-weighted)
PERFORMANCE
OPERATION
All specifications and performancefigures are subjectto change. Please visit thewww.kicker.com forthemost current information.
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Figure 5
Two Kicker Coax Speakers wired
in series to a single channel.
Wiring two Kicker Speakers to a single channel
Modern high performancecoaxial and component speakers havealower DC Resistancethan what
used to beavailable. TheKicker speakers are rated at fourohmsand work with any sourceunit or
amplifier designed to operate at afourohm load. If you want to use two Kicker coax orcomponent
speakers oneach channel of youramplifier wire thespeakers in series, as shown in Figure 5. This will
improvethesound quality, lower thetotal harmonic distortionand lessen thethermal load at thesource
unit oramplifier. This may prevent an amplifier from shutting down, dueto over-current protection
circuitry.
TroubleShooting
If youramplifier does notappear to beworking, check theobviousthings first such as blown fuses, poororincorrect
wiring connections, incorrectsetting of crossover switch and gain controls, etc. There is one LEDonthetop of your
Kicker MX series amplifier. When theLEDis green this indicates theamplifier is turned onand no trouble exists. If the
LEDis red, this indicates that theprotectioncircuitry (SORT) is engaged.
LED Green, no output? With aVolt Ohm Meter (VOM) check thefollowing: 1) +12volt power terminal (should
read +12V to +16V) 2) Remote turn-onterminal (should read +12V to +16V) 3) Check forreversed power and
ground connections 4) Ground terminal, forproper conductivity.
LED Green, no output? Check thefollowing: 1) RCA connections 2) Test speaker outputs with a“known” good
speaker. 3) Substitute sourceunit with a“known” good sourceunit. 4) Check forasignal in theRCA cable feeding
theamplifier with the“AC” test positionselected ontheVOM meter.

ElectronicsLimitedWarranty
Kicker warrants this productto befree from defects in material and workmanship under normal use foraperiod of
THREE (3) MONTHSfrom date of original purchase with receipt. When purchased from an Authorized KICKER Dealer
it is warranted forTWO (2) YEARSfrom date of original purchase with receipt. Inall cases you must havetheoriginal
receipt. Should servicebenecessary under this warranty forany reasondueto manufacturing defectormalfunction
during thewarranty period, Kicker will repair orreplace(at its discretion) thedefectivemerchandise with equivalent
merchandise at no charge. Warranty replacements may havecosmetic scratches and blemishes. Discontinued
products may bereplaced with more current equivalent products.
This warranty is valid only fortheoriginal purchaser and is notextended to owners of theproductsubsequent to the
original purchaser. Any applicable implied warranties are limited in durationto aperiod of theexpress warranty as
provided herein beginning with thedate of theoriginal purchase at retail, and no warranties, whether express or
implied, shall apply to this productthereafter. Somestates do notallowlimitations onimplied warranties; therefore
these exclusions may notapply to you. This warranty gives you specific legal rights; however you may haveother
rights that vary from state to state.
WHAT TO DO IF YOU NEED WARRANTY OR SERVICE
Defectivemerchandise should bereturned to yourlocal Authorized Stillwater Designs (Kicker) Dealer forwarranty
service. Assistancein locating an Authorized Dealer can befound at www.kicker.com orby contacting Stillwater
Designs directly. You c an confirm that adealer is authorized by asking to see acurrent authorized dealer window
decal.
If it becomes necessary foryou to return defectivemerchandise directly to Stillwater Designs (Kicker), call theKicker
Customer ServiceDepartment at [phone]foraReturn Merchandise Authorization(RMA) number. Package all
defectiveitemsin theoriginal container orin apackage that will prevent shipping damage, and return to:
Stillwater Designs, 5021 North Perkins Road, Stillwater, OK 74075
TheRMA number must beclearly marked ontheoutsideof thepackage. Please return only defectivecomponents.
Thereturn of functioning itemsincreases yourreturn freightcharges. Non-defectiveitemswill bereturned freight-
collectto you.
Includeacopy of theoriginal receiptwith thepurchase date clearly visible, and a"proof-of-purchase" statement listing
theCustomer'sname, Dealer'snameand invoicenumber, and productpurchased. Warranty expirationonitems
withoutproof-of-purchase will bedetermined from thetypeof sale and manufacturing date code. Freightmust be
prepaid; itemssent freight-collect, orCOD, will berefused.
WHAT IS NOT COVERED?
This warranty is valid only if theproductis used forthepurpose forwhich it was designed.
Itdoes notcover:
o Damage dueto improper installation
o Subsequent damage to other components
o Damage caused by exposure to moisture, excessiveheat, chemical cleaners, and/orUV radiation
o Damage through negligence, misuse, accident orabuse. Repeated returns forthesamedamage may be
considered abuse
o Any cost orexpense related to theremoval orreinstallationof product
o Speakers damaged dueto amplifier clipping ordistortion
o Itemspreviously repaired ormodified by any unauthorized repair facility
o Return shipping onnon-defectiveitems
o Products with tampered ormissing barcodelabels
o Products returned withoutaReturn Merchandise Authorization(RMA) number
o FreightDamage
o Thecost of shipping productto Kicker
o Serviceperformed by anyone other than Kicker
HOW LONG WILL IT TAKE?
Kicker strives to maintain agoal of 72-hourserviceforall electronics(amplifiers, crossovers, equalizers, etc.) returns.
Delaysmay beincurred if lack of replacement inventory orparts is encountered.
Failure to followthese stepsmay void yourwarranty. Any questions can bedirected to theKicker Customer Service
Department at [phone].
InternationalWarranty
ContactyourInternational Kicker dealer ordistributorconcerning specific procedures foryourcountry'swarranty
policies.
WARNING: KICKER products are capable of producing sound levels that can permanently damage yourhearing!
Turning up asystem to alevel that has audible distortionis more damaging to yourears than listening to an
undistorted system at thesamevolumelevel. Thethreshold of pain is alwaysan indicatorthat thesound level is too
loud and may permanently damage yourhearing. Please use commonsense when controlling volume.
GARANTÍA INTERNACIONAL VersiónEspañol
Comuníquese consu concesionario o distribuidorKicker internacional para obtener inforaciónsobre procedimientos
específicosrelacionadosconlas normas degarantíadesu país.
ADVERTENCIA: Losexcitadores Kicker soncapaces deproducir niveles desonido quepueden dañar
permanentemente el oído. Subir el volumen del sistemahasta unnivel queproduzcadistorsiónes másdañino para el
oído queescuchar unsistemasin distorsiónal mismo volumen. Eldolores siempre una indicacióndequeel sonido es
muy fuerte y quepuededañar permanentemente el oído. Sea precavido cuando controle el volumen.
Lafrase "combustible para vivir la vidaLivin' Loud™ atodo volumen" se refiere al entusiasmo porla vidaquela marca
Kicker deestéreosdeautomóvil representa y ala recomendaciónanuestrosclientes dequevivan lo mejorposible ("a
todo volumen") en todo sentido. Lalínea dealtavoces y amplificadores Kicker es la mejordel mercado deaudio de
automóviles y porlo tanto representa el "combustible" para vivir atodo volumen en el área de"estéreosdeautomóvil"
dela vidadenuestrosclientes. Recomendamosatodosnuestrosclientes queobedezcan todas las reglas y
reglamentoslocales sobre ruido en cuanto alosniveles legales y apropiadosdeaudiciónfuera del vehículo.
INTERNATIONALE GARANTIE DeutscheVersion
Nehmen Sie mit Ihren internationalen Kicker-Fachhändler oder Vertrieb Kontaktauf, um Details über die
Garantieleistungen in Ihrem Land zu erfahren.
WARNUNG: KICKER-Treiber können einen Schallpegel erzeugen, der zu permanenten Gehörschäden führen kann!
Wenn Sie ein System auf einen Pegel stellen, der hörbare Verzerrungen erzeugt, schadet das Ihren Ohren mehr, als ein
nichtverzerrtes System auf dem gleichen Lautstärkepegel. Die Schmerzschwelle ist immer eine Anzeige dafür, dass
der Schallpegel zu lautist und zu permanenten Gehörschäden führen kann. Seien Sie bei der Lautstärkeeinstellung
bitte vernünftig!
Der Slogan "Treibstoff fürLivin' Loud" beziehtsich auf die mit den Kicker-Autostereosystemen assoziierte
Lebensfreudeund die Tatsache, dass wir unsere Kunden ermutigen, in allen Aspekten ihres Lebens nach dem Besten
("Livin' Loud") zu streben. Die Lautsprecher und Verstärker vonKicker sind auf dem MarktfürAuto-Soundsysteme
führend und stellen somit den "Treibstoff" fürdas Autostereoerlebnis unserer Kunden dar. Wir empfehlen allen unseren
Kunden, sich bezüglich der zugelassenen und passenden Lautstärkepegel außerhalb des Autosan die örtlichen
Lärmvorschriften zu halten.
GARANTIE INTERNATIONALE VersionFrançaise
Pourconnaître les procédures propres à la politiquedegarantie devotre pays, contactez votre revendeurou
distributeurInternational Kicker.
AVERTISSEMENT: Les haut-parleurs Kicker ont la capacité deproduire des niveaux sonores pouvant endommager
l'ouïedefaçonirréversible ! L'augmentationdu volumed'unsystèmejusqu'à unniveau présentant une distorsion
audible endommage davantage l'ouïequel'écoute d'unsystèmesans distorsionau mêmevolume. Leseuil dela
douleurest toujours le signe quele niveau sonore est trop élevé et risqued'endommager l'ouïedefaçonirréversible.
Réglez le volumeen faisant prevuedebonsens !
L'expression" carburant pourvivre plein pot" fait référenceau dynamismedela marqueKicker d'équipements audio
pourvéhicules et apourbutd'encourager nosclients à faire le maximum (" vivre plein pot") dans tousles aspects de
leurvie. Les haut-parleurs et amplificateurs Kicker sont les meilleurs dans le domaine des équipements audio et
représentent donc pournosclient le " carburant pourvivre plein pot" dans l'aspect" installationaudio devéhicule "
deleurvie. Nousencourageons tousnosclients à respecter toutes les lois et réglementations locales relatives aux
niveaux sonores acceptables à l'extérieurdes véhicules.
WARRANTY
MX.4AMPLIFIER 01252007+07MX.4
P.O. Box 459 • Stillwater, Oklahoma74076 • U.S.A. • [phone]
GARANTIE
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