Kicker KX350.4 Manuale utente

2KX Amplifiers

Features

KX350.4 / KX650.4 / KX850.4

KX.4 Series

Amplifier

Owner’s Manual

Four Channel Models:

Congratulations!

You have just purchased the latest in amplifier

technology to carry the famous KICKER name.

Your KICKER KX series amplifier is designed

and built to give you years of powerful and

trouble-free performance. This installation

manual contains valuable information on how

to get the most out of your new

KX series amplifier.

This is your “fuel for Livin’ Loud™”!

Authorized Kicker Dealer:

Purchase Date:

Amplifier Model Number:

Amplifier Serial Number:

_____________________________________________

Attention:

Please record your purchase information in the area

below. We recommend attaching the original sales

receipt to this manual for future reference.

If you require service on this speaker during the

warranty period, you will need to provide this

information and a copy of the original sales receipt to

Kicker for validation of warranty repairs.

ALWAYS KEEP YOUR RECEIPT!

KX Amplifiers

Features

Low Impedance Operation Class A/B stable into 2 ohm stereo

or 4 ohm mono loads.

SORT Protection Circuitry (Short circuit, Over-voltage, Reverse

polarity, Thermal) Protects amplifier from accidents and

undesirable operation.

MOSFET Power Supply Provides high efficiency operation.

KickBass Variable bass boost circuit which provides up to 18dB

of boost at 40Hz.

Built-In Variable Crossover 12dB High pass variable from

50-200Hz. User defeatable for full range operation.

High & Low level inputs Allows connection to various sources

such as: after-market stereo, factory radio, DVD Player, Video

Cassette Player, etc.

Custom tooled gold plated connectors Assure maximum

power transfer and clamping.

SAMS (Stereo And Mono Simultaneously) Amplifier will

operate into a bridged mono load and a stereo load at the same

time.

Remote Bass Level Control Dash or center console mountable

for remote fine-tuning of bass output.

EndKaps Cast aluminum, custom, removable covers to

protect and hide all your wiring connections to the amplifier.

Can be prepped and painted any custom color you choose.

Two Year Warranty When purchased from an Authorized

KICKER dealer.

4KX Amplifiers

Installation

Mounting

When selecting a location to mount your Kicker amplifier be

sure it is structurally sound and that there are no items behind

the area that could be damaged by the screws. Check for brake

lines, fuel lines, gas tanks, or wiring harnesses etc.

All amplifiers generate heat under normal operation. Be sure to

choose a location that allows adequate ventilation for the

amplifier. Also consider that the air temperature inside an

automobiles trunk can reach upwards of 140 degrees fahrenheit.

An amplifier mounted here may require additional cooling tactics

such as fans or venting to allow cool operation. If possible,

mounting the amp in the passenger compartment will allow

cooler operation.

Remove

Remember that the controls on top of the amp will need to be

accessible for adjustment later. Keep this in mind as you choose

your amplifier’s mounting location.

Now that you are ready to mount your amplifier, use the

supplied 3mm allen wrench to remove the amplifier EndKap. This

will give you access to the mounting holes in the amplifier and all

wiring connections.

With the EndKap removed, drill 4 holes using a 7/64” drill bit

and use the supplied #8 screws to mount the amplifier.

KX Amplifiers

Installation

The use of twisted pair interconnects is recommended for all

installations to minimize noise. When routing these cables

through the automobile, try to keep them away from factory

wiring harnesses and other power wiring. If you need to cross

any of this wiring do so at a 90 degree angle to reduce the

potential of noise problems.

When working with power connections it is always

recommended that you disconnect the battery to prevent

accidents.

Model Fuse Size Wire Size

KX-350.4 40A 8 GA

KX-650.4 80A 4 GA

KX-850.4 120A 2 GA

The ground should be connected to the amplifier first before

making any of the other connections. This wire should be as

short as possible (24 inches or less) and connected to a

paint/corrosion free solid metal area of the car’s chassis. Use the

same gauge wire as recommended for the amplifier’s power

connection to the battery. Adding an additional ground wire

between the car battery’s negative post and the car chassis of

this same gauge (or larger) is also recommended.

If you ever need to remove the amp from the vehicle after it

has been installed, the ground wire should be the last wire

disconnected from the amplifier, just the opposite as when you

installed it.

A fuse must be installed within 18 inches of the battery to

protect the power wire feeding your amplifier. This fuse should be

of at least the same value used in the amplifier but no higher

than the capacity of the wire. See the chart below for wire size

and fusing recommendations.

Wiring

Signal can be input into the amplifier using either the low level

RCA input connections or the high level (speaker level)

connections. Using the low level RCA connections is the

preferred method. Use the high level inputs only if your head unit

does not have low level RCA type outputs.

All four channels will work with only one set of RCA cables, but

there will be no fade capability.

SOURCE UNIT

LEFT +

LEFT -

RIGHT -

RIGHT +

LEFT +

LEFT -

RIGHT -

RIGHT +

WARNING-Use Only

High Or Low Level

NOT...Both!!!

MP 1

AMP 2

Note: To get the best performance from your new Kicker Amplifier,

we recommend using genuine Kicker Accessories and Wiring.

6KX Amplifiers

Installation

RCA Dummy Plugs

SOURCE UNIT

LEFT +

LEFT -

RIGHT -

RIGHT +

LEFT +

LEFT -

RIGHT -

RIGHT +

AMP 1

AMP 2

Speaker

Outputs

RCA Dummy Plugs

When using both sets of High Level inputs, RCA dummy plugs

must be inserted into the AMP 2 inputs in order for the fader to

work properly. If the amplifier is being used in any other

configuration do not use the RCA dummy plugs! If you do not

have dummy plugs available, simply using raw RCA ends or

cutting the ends off of existing cables will be sufficient. See the

Amplifier Technical manual for more information. DO NOT USE

SHORTING PLUGS!

KX Amplifiers

System Diagram

The following diagrams show the most common configurations

for your system.

STEREO FOUR CHANNEL OPERATION

KX.4 amplifiers are capable of operating into a minimum

impedance of 2 ohms per channel in stereo operation.

GROUND

REMOTE

TURN-ON

BATTERY

+12V FUSE

SIGNAL IN AMP 1

SIGNAL IN AMP 2

18"

or less

GROUND

REMOTE

TURN-ON

BATTERY

+12V FUSE

SIGNAL IN AMP 1

SIGNAL IN AMP 2

18"

or less

R-

R+

L-

L+

R-

R+

L-

L+

BRIDGED OPERATION (MONO)

KX.4 amplifiers are capable of operating into a minimum

impedance of 4 ohms in Bridged operation.

SIGNAL IN AMP 1

SIGNAL IN AMP 2

GROUND

REMOTE

TURN-ON

BATTERY

+12V FUSE

18"

or less

R-

R+

L-

L+

R-

R+

L-

L+

STEREO AND BRIDGED

KX.4 amplifiers are capable of operating into a minimum

impedance of 2 ohms stereo and 4 ohms bridged operation.

R-

R+

L-

L+

R-

R+

L-

L+

GROUND

REMOTE

TURN-ON

BATTERY

+12V FUSE

18"

or less SIGNAL IN AMP 1

SIGNAL IN AMP 2

Installation

8KX Amplifiers

Navigation

On your Kicker amplifier there are six rotary controls on top

and two switches on the end panel. These controls ensure the

reliability and performance of the amplifier, so they need to be

set correctly.

CROSSOVER SWITCHES

NEVER CHANGE THE CROSSOVER SWITCH SETTING WITH

THE SYSTEM ON!

The switches located on the end panel next to the RCA jacks

are for setting the internal crossover. In the OFF position the

amplifier passes a full range signal to the speakers. Use the LO

position when connected to a subwoofer. The HI position should

be selected when connected to any speakers which you do not

want to receive sub-bass information.

BEFORE TURNING ON THE SYSTEM FOR THE FIRST TIME,

MAKE SURE THAT THE SIX ROTARY CONTROLS ON TOP

OF THE AMPLIFIER ARE TURNED FULLY

COUNTER-CLOCKWISE!

GAIN CONTROLS

Remember, the gain control is not a volume control, it matches

the output of the head unit to the input level of the amplifier and

must be adjusted properly for best performance. All the way up

or down is not necessarily the best.Turn the head unit up to

about 3/4 volume. (eg. If the head unit goes to 30, turn it to 25.)

Next, turn (clockwise) the gain on the amplifier up slowly until

you can hear audible distortion, then turn it down just a little.

Adjust AMP 1 first, then proceed to AMP 2.

CROSSOVER CONTROL

Where you set the crossover is very subjective and can be fine

tuned to match your listening preference or speaker

requirements.

BASS BOOST

The BASS BOOST control is designed to give you increased

output at 40 Hz. The setting for this control is subjective,

however, if you turn it up, you must go back and adjust the gain

control to avoid clipping the amplifier.

Amp 2 Input Gain

Low Level High Level

170mV - 5V 340mV - 10 V

Amp 2 Bass Boost

0 - 18 dB @ 40 Hz

Amp 2 Crossover

50Hz - 200 Hz 12 dB/Oct

Amp 1 Input Gain

Low Level High Level

170mV - 5V 340mV - 10 V

Amp 1 Bass Boost

0 - 18 dB @ 40 Hz

Amp 1 Crossover

50Hz - 200 Hz 12 dB/Oct

Operation

KX Amplifiers

Remote Bass Level

When using AMP 2 as a subwoofer amplifier you have the

ability to control the level of the subs from the driver’s seat. To

mount the controller simply screw the metal bracket to the

chosen location, then slide the housing onto the bracket until it

snaps into place. Run the cable

from the controller to the

appropriate jack on the amplifier

chassis.

Mounting Surface

REMOTE BASS

LEVEL CONTROL

PHONE

CABLE

operation

10 KX Amplifiers

Performance

MODEL KX350.4 KX650.4 KX850.4

RMS Power in Watts, All Channels Driven

@ 14.4V, 4ΩStereo, < 1% THD+N 4 x 60 4 x 120 4 x 175

@ 2ΩStereo, < 1% THD+N 4 x 90 4 x 170 4 x 215

@ 4ΩMono, < 1% THD+N 2 x 175 2 x 325 2x 425

@ 12.5V, 4ΩStereo, 0.085% THD+N 4 x 35 4 x 70 4 x 90

@ 2ΩStereo, 0.5% THD+N 4 x 70 4 x 135 4 x 180

@ 4ΩMono, 0.5% THD+N 2 x 130 2 x 250 2 x 325

Length with EndKaps: 16” 22 1/2” 25 3/4”

(40.64cm) (57.15cm) (65.40cm)

SPECIFICATIONS COMMON TO ALL MODELS

Height: 2.5 inches / 6.35 centimeters

Width: 10.125 inches / 25.7 centimeters

Length Without EndKaps: Subtract 5” (12.7 cm) from chart above

Frequency Response: 20Hz - 20kHz, + 0/- 1dB

Input Sensitivity: 170mV - 5V low level, 340mV - 10V high level

Signal-to-Noise Ratio: >95dB, a-weighted, re: rated power

Electronic Crossover: Variable high or low pass, 50 - 200Hz,

12dB/octave

KickBass Boost: Variable 0 to +18dB boost @ 40Hz

Specification

Model KX350.4

60 x 4 @ 4 ohms, 14.4Vdc, 1% THD,

CEA-2006 (Watts)

Signal to Noise Ratio -98

CEA-2006 (ref: 1W, A-weighted)

Model KX650.4

120 x 4 @ 4 ohms, 14.4Vdc, 1% THD,

CEA-2006 (Watts)

Signal to Noise Ratio -95

CEA-2006 (ref: 1W, A-weighted)

Model KX850.4

175 x 4 @ 4 ohms, 14.4Vdc, 1% THD,

CEA-2006 (Watts)

Signal to Noise Ratio -94

CEA-2006 (ref: 1W, A-weighted)

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