Kenwood Excelon X303-4 Manual

Kenwood Modtager Excelon X303-4

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Side 1/11

X303-4

X3001-4

KAC-334

CLASS D FOUR CHANNEL POWER AMPLIFIER

INSTRUCTION MANUAL

AMPLIFICATEUR DE PUISSANCE 4 CANAUX CLASSE D

MODE D’EMPLOI

AMPLIFICADOR DE POTENCIA DE 4 CANALES CLASE D

MANUAL DE INSTRUCCIONES

Take the time to read through this instruction manual.

Familiarity with installation and operation procedures

will help you obtain the best performance from your new

power amplier.

For your records

Record the serial number, found on the back of the unit, in the spaces designated on the warranty card, and in the

space provided below. Refer to the model and serial numbers whenever you call upon your Kenwood dealer for

information or service on the product.

Model X303-4 / X3001-4 / KAC-334 Serial number

US Residence Only

B5A-4583-00 (K / W)

213 mm (8-3/8”)

149 mm (5-7/8”)

53 mm

(2-1/16”)

Dimensions / Dimensions / Dimensiones

Accessories / Accessoires / Accesorios

①

Ø4×16 mm

Self-tapping screws

Vis taraudeuses

Tornillo autorroscantes

③

4.0 mm

Hexagon wrench

Clé polygonale

Llave hexagonal

②

2.5 mm

Hexagon wrench

Clé polygonale

Llave hexagonal

④

Speaker level input cable

Câble d’entrée de niveau d’enceinte

Cable de entrada del nivel de altavoces

Safety precautions

WARNING

To prevent injury or re, take the following precau-

tions:

• Mounting and wiring this product requires skills and

experience. For safety’s sake, leave the mounting and

wiring work to professionals.

• When extending the ignition, battery, or ground wires,

make sure to use automotive-grade wires or other

wires with the range of 14 mm

(AWG 6) to 21 mm

(AWG 4) to prevent wire deterioration and damage to

the wire coating.

• To prevent a short circuit, never put or leave any metal-

lic objects (such as coins or metal tools) inside the unit.

• If the unit starts to emit smoke or strange smells,

turn off the power immediately and consult your

KENWOOD dealer.

• Do not touch the unit during use because the sur-

face of the unit becomes hot and may cause burns if

touched.

CAUTION

To prevent damage to the machine, take the follow-

ing precautions:

• Be sure the unit is connected to a 12 V DC power sup-

ply with a negative ground connection.

• Do not open the top or bottom covers of the unit.

• Do not install the unit in a spot exposed to direct

sunlight or excessive heat or humidity. Also avoid

places with too much dust or the possibility of water

splashing.

• When replacing a fuse, only use a new one with the

prescribed rating. Using a fuse with the wrong rating

may cause your unit to malfunction.

• To prevent a short circuit when replacing a fuse, rst

disconnect the wiring harness.

NOTE

• If you experience problems during installation, consult

your KENWOOD dealer.

• If the unit does not seem to be working right, consult

your KENWOOD dealer.

Cleaning the unit

If the front panel gets dirty, turn o the power and wipe

the panel with a dry silicon cloth or soft cloth.

CAUTION

Do not wipe the panel with a hard cloth or a cloth damp-

ened by volatile solvents such as paint thinner and alco-

hol. They can scratch the surface of the panel and / or

cause the indicator letters to peel o.

To prevent battery rise

When the unit is used in the ACC ON position without

turning the engine ON, it depletes the battery. Use it after

starting the engine.

Protection function

The protection function is activated in the following

situations:

This unit is equipped with a protection function for

protecting this unit and your speakers from various acci-

dents or problems that can occur.

When the protection function is triggered, the power

indicator goes o and the amplier stops operating.

• When a speaker wire may be short-circuited.

• When a speaker output contacts ground.

• When the unit malfunctions and a DC signal is sent to

the speaker output.

• When the internal temperature is high and unit won’t

operate.

Wiring

• Take the battery wire for this unit directly from the bat-

tery. If it’s connected to the vehicle’s wiring harness, it

can cause blown fuses etc.

• If a buzzing noise is heard from the speakers when the

engine is running, connect a line noise lter (optional)

to each of the battery wire.

• Do not allow the wire to directly contact the edge of

the iron plate by using Grommets.

• Connect the ground wire to a metal part of the car

chassis that acts as an electrical ground passing elec-

tricity to the battery‘s negative ⊖ terminal. Do not turn

the power on if the ground wire is not connected.

• Be sure to install a protective fuse in the power cord

near the battery. The protective fuse should be the

same capacity as the unit’s fuse capacity or somewhat

larger.

• For the power cord and ground, use a vehicle type

(reproof ) power wring cord. (Use a power wiring cord

with the range of 14 mm

(AWG 6) to 21 mm

(AWG 4).

• When more than one power amplier are going to be

used, use a power supply wiring wire and protective

fuse of greater current-handling capacity than the total

maximum current drawn by each amplier.

Speaker selection

• Using speakers with smaller input ratings than the

amplier’s output power would result in smoke gener-

ation or equipment failure.

• The impedance of the speakers that are going to be

connected should be 2 Ω or greater (for stereo con-

nections), or 4 Ω or greater (for bridged connections).

When more than one set of speakers are going to be

used, calculate the combined impedance of the speak-

ers and then connect suitable speakers to the amplier.

Combined

impedance

Produkt Specifikationer

Mærke:	Kenwood
Kategori:	Modtager
Model:	Excelon X303-4

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