XR-1S
KAC-X1D
MONO DIGITAL POWER AMPLIFIER 3 page 2-13
INSTRUCTION MANUAL
AMPLIFICATEUR MONO NUMÉRIQUE 3 page 14-25
MODE D’EMPLOI
AMPLIFICADOR DE POTENCIA DIGITAL MONOFÓNICO 3 página 26-36
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 amplifier.
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 XR-1S/KAC-X1D Serial number
US Residence Only
Register Online
Register your Kenwood product at
© B64-4327-00/00 (KV/EV)
Information on Disposal of Old Electrical
and Electronic Equipment (applicable for
EU countries that have adopted separate
waste collection systems)
7 Wiring
• Take the battery wire for this unit directly from the
battery. 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 filter
(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
electricity 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
(fireproof) power wring cord with a current capacity
greater than the unit’s fuse capacity. (Use a power
wiring cord with the range of 14 mm2 (AWG 6) to 21
mm2 (AWG 4).
• When more than one power amplifier 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
amplifier.
Products with the symbol (crossed-out
wheeled bin) cannot be disposed as
household waste.
Old electrical and electronic equipment
should be recycled at a facility capable
of handling these items and their waste
byproducts. Contact your local authority
for details in locating a recycle facility
nearest to you. Proper recycling and waste
disposal will help conserve resources whilst
preventing detrimental effects on our
health and the environment.
This Product is not installed by the manufacturer of a
vehicle on the production line, nor by the professional
importer of a vehicle into an EU Member State.
Cleaning the unit
If the front panel gets dirty, turn off 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
dampened by volatile solvents such as paint thinner
and alcohol. They can scratch the surface of the panel
and/or cause the indicator letters to peel off.
7 Speaker Selection
• The rated input power of the speakers that are
going to be connected should be greater than the
maximum output power (in Watts) of the amplifier.
Use of speakers having input power ratings that
are less than the output power of the amplifier will
cause smoke to be emitted as well as damage.
• The impedance of the speakers that are going
to be connected should be 2Ω or greater (for
stereo connections), or 4Ω or greater (for bridged
connections). When more than one set of speakers
are going to be used, calculate the combined
impedance of the speakers and then connect
suitable speakers to the amplifier.
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
accidents or problems that can occur.
When the protection function is triggered, the
PROTECTION indicator lights and the amplifier stops
operating.
• When a speaker wire may be short-circuited.
• When a speaker output contacts ground.
4Ω
4Ω
4Ω
4Ω
2Ω
8Ω
• When the unit malfunctions and a DC signal is sent
to the speaker output.
Combined impedance
English ꢁ
Installation
Self-tapping screw
(ø5 × 18 mm (3/16" × 11/16"))
235 mm (9-1/4”)
217 mm (8-9/16”)
(
)
ø 6 1/4”
Installation board, etc.
(thickness : 15 mm (9/16") or more)
7 Accessories
CAUTION
External Number
• Do not install in the below locations;
(Unstable location, In a location that interferes
with driving, In a location that gets wet, In a dusty
location, In a place that gets hot, In a place that
gets direct sunlight, In a location that gets hit by
hot air)
• Do not install the unit under the carpet.
Otherwise heat build-up occurs and the unit may
be damaged.
• Install this unit in a location which allows heat to
easily dissipate.
Once installed, do not place any object on top of
the unit.
Part name
View
of Items
Self-tapping screws
4
(ø5 × 18 mm (3/16" × 11/16"))
Hexagon Wrench (Large)
1
1
1
Hexagon Wrench (Small)
Terminal cover (Power
terminal)
• The surface temperature of the amplifier will
become hot during use. Install the amplifier in a
place where people, resins, and other substances
that are sensitive to heat will not come into
contact with it.
• This unit has cooling fan to decrease the internal
temperature. Do not mount the unit in a place
where the cooling fan and ducts of the unit are
blocked. Blocking these openings will inhibit the
cooling of the internal temperature and result in
malfunction.
7 Installation procedure
Since there are large variety of settings and
connections possible according to applications, read
the instruction manual well to select the proper
setting and connection.
1. Remove the ignition key and disconnect the
negative · terminal of the battery to prevent short
circuits.
2. Set the unit according to the intended usage.
3. Connect the input and output wires of the units.
4. Connect the speaker wires.
• When making a hole under a seat, inside the
trunk, or somewhere else in the vehicle, check
that there is nothing hazardous on the opposite
side such as a gasoline tank, brake pipe, or wiring
harness, and be careful not to cause scratches or
other damage.
5. Connect the power wire, power control wire and
grounding wire following this order.
6. Install the installation fittings in the unit.
7. Attach the unit.
• Do not install near the dashboard, rear tray, or air
bag safety parts.
8. Install the remote controller.
• The installation to the vehicle should securely
fasten the unit to a place in which it will not
obstruct driving. If the unit comes off due to a
shock and hits a person or safety part, it may
cause injury or an accident.
9. Connect the negative · terminal of the battery.
• After installing the unit, check to make sure that
electrical equipment such as the brake lamps,
turn signal lamps and windshield wipers operate
normally.
ꢀ English
■ Remote controller (Accessory of KAC-X1D, Optional accessory for XR-1S.)
Mounting bracket
Remote controller
Self-tapping screw
(ø2.6 × 12 mm (1/8" × 1/2"))
■ Accessories
Part name
External View Number of Items
Remote cable (6.0 m : 19.7 ft)
1
Remote controller
Mounting bracket
1
1
Self-tapping screws
(ø2.6 × 12 mm (1/8" × 1/2"))
2
English ꢂ
* Commercially available parts
Connection
WARNING
Remove the ignition
key and disconnect the
negative · terminal of
the battery to prevent
short circuits.
CENTER UNIT
(CD receiver, etc.)
RCA cable*
Power control wire*
Left input
REMOTE
LININ LINE OUT
FUSE [30Ax2]
BATT.
GND
L
Hexagon Wrench
(Small)
P.CN
SPEAER OUPUT
Right input
Hexagon Wrench
(Small)
Hexagon
Wrench
(Large)
Use the
attached
Hexagon
Wrench.
Use the attached
Hexagon Wrench.
Protective Fuse*
Battery wire*
Subwoofer (L + R)
Terminal cover
Ground wire*
When two
subwoofers are
connected.
Battery
WARNING
Dual voice coil subwoofer
• To prevent fire caused by a short in the
wiring, connect a fusible link or breaker
nearby the battery’s positive terminal.
(4Ω + 4Ω)
(2Ω + 2Ω)
SPEAKER OUPUT
SPEAKER OUPUT
ꢀ English
CAUTION
• If sound is not output normally, immediately turn
power off and check connections.
• Be sure to turn the power off before changing the
setting of any switch.
• If the fuse blows, check wires for shorts, then
replace the fuse with one of the same rating.
• Check that no unconnected wires or connectors
are touching the car body. Do not remove caps
from unconnected wires or connectors to prevent
short circuits.
• Connect the speaker wires to appropriate speaker
connectors separately. Sharing the negative wire
of the speaker or grounding speaker wires to the
metal body of the car can cause this unit to fail.
• After installation, check that the brake lamps,
winkers, and wipers work properly.
7 About the Lead Terminals
1. Wire Thicknesses
You can use wires with the following thicknesses:
Battery wire and ground wire
Speaker wire
AWG 4 – AWG 6
AWG 8 – AWG 12
ꢀ. Strip the wire
Make a cut in the wire sheath (insulator made from vinyl, etc.)
at the position 10-13 mm (3/8" - 1/2") away from the end of the
wire, and then remove the unnecessary portion of the sheath
by twisting it.
ꢁ. Install the wire
Loosen the screw using the supplied hexagon wrench. Insert
the conductor of the wire in the terminal hole, and then
tighten the screw.
Hexagon
Wrench
(Large)
10 - 13 mm
(3/8" - 1/2")
Hexagon Wrench
(Small)
English ꢃ
Connection
■ Remote cable connection (Accessory of KAC-X1D, Optional accessory for XR-1S.)
CAUTION
Remote cable (6.0 m : 19.7 ft)
• Before connecting the remote controller
cables, always turn the Bass boost level knob
all the way to the left.
REMOTE
LINE IN LINE OUT
[
x
]
2
FUSE 30A
BATT.
GND
L
R
Remote controller
P.CON
SPEAKER OUTPUT
8 English
* Commercially available parts
■ Multi Amplifier with Remote cable connection
(Accessory of KAC-X1D, Optional accessory for XR-1S.)
CAUTION
•
Before connecting the remote controller cables, always turn the Bass boost level knob all the way to the left.
You can control the Bass boost level of the second and subsequent Slave amplifiers simultaneously from the
Master amplifier.
The volume level of each amplifier is determined by the setting of the Master amplifier (INPUT SENSITIVITY, boost
level of the remote controller).
Setting the Master amplifier
1. Adjust the INPUT SENSIVITY to the output of the center unit to be connected.
2. Set the LPF frequency and ISF.
3. Turn the LINE OUT FILTER switch ON.
Setting the Slave amplifier
1. Turn the LINE OUT FILTER switch OFF.
2. Adjust the INPUT SENSIVITY.
• To adjust the Slave amplifier to the same volume as the Master amplifier, adjust the INPUT SENSIVITY to 0.2 V
(max.).
Remote cable
RCA cable*
CENTER UNIT
(CD receiver, etc.)
Remote
controller
Power control wire*
LINE OUT FILTER
OFF ON
REMOTE
LININ LINE OUT
[
x
2
]
FUSE 30A
BATT.
GND
L
1
2
0.5
0.3
3
P.C
SPEAKER OUTPUT
4
MIN
[
]
0.2
5
[
]
MAX
Master amplifier
Extension wire*
RCA cable*
LINE OUT FILTER
OFF ON
REMOTE
LININ LINE OUT
[
x
2
]
FUSE 30A
BATT.
GND
L
1
2
0.5
0.3
R
3
P.C
SPEAKER OUTPUT
4
MIN
[
]
0.2
5
[
]
MAX
Slave amplifier
Hexagon Wrench
(Small)
Use the
LINE OUT FILTER
OFF ON
REMOTE
LININ LINE OUT
BATT.
GND
attached
Hexagon
Wrench.
L
1
2
0.5
0.3
3
P.CON
SPEAKER OUTPUT
4
[
]
MIN
0.2
MAX
5
[
]
Slave amplifier
English ꢄ
Controls
REMOTE
LINE IN LINE OUT
[
x
]
2
FUSE 30A
BATT.
GND
L
R
P.CON
SPEAKER OUTPUT
ꢆ
ꢇ
ꢁ
ꢀ
ꢂ
ꢃ
ꢄ
ꢅ
LINE OUT FILTER
OFF ON
LPF
ISF
[
]
[
]
FREQUENCY Hz FREQUENCY Hz
30
1
150
100
2
0.5
0.3
70
3
20
4
[
]
MIN
5
0.2
50
200
15
40
[
]
MAX
INPUT
SENSITIVITY
[
]
V
ꢁ
ꢀ
ꢂ
ꢃ
Z
ON position:
1 Fuse (ꢁ0 A × ꢀ)
The audio signal adjusted when setting LPF,
INPUT SENSIVITY control and Bass boost is output
to the LINE OUT terminal.
NOTE
If you can’t find the specified capacity fuse at your
store etc., consult your Kenwood dealer.
OFF position:
2 Battery terminal
The audio signal input from the LINE IN terminal
is output to the LINE OUT terminal (through
output).
3 Power control terminal
Controls the unit ON/OFF.
NOTE
CAUTION
Controls the unit power. Be sure to connect it
with all the systems.
The volume of the audio output to the LINE OUT
terminal is different in ON and OFF position.
Remember this when changing the LINE OUT
FILTER switch from ON to OFF.
4 Ground terminal
5 Speaker output terminals
As this unit accepts speakers with a minimum
impedance of 2 ohm, connect speakers with 2-
ohm or higher impedance to these terminals.
0 INPUT SENSITIVITY control
Set this control according to the pre-output level
of the center unit connected with this unit.
6 REMOTE terminal
NOTE
Connects the Remote cable.
For the pre-output level, refer to the
<Specifications> in the instruction manual of the
center unit.
NOTE
Use the Remote cable of the accessory.
7 LINE IN terminal
- LPF(Low-Pass Filter) FREQUENCY
control
8 LINE OUT terminal
This control adjusts the frequency band output
from this unit.
The audio signal set with the LINE OUT FILTER
switch will be output.
= ISF (infrasonic filter) control
9 LINE OUT FILTER switch
Changing over the audio signal output to the
LINE OUT terminal.
Ultralow frequencies that cannot be reproduced
even by a subwoofer speaker do not become
sound but become unnecessary oscillations,
10 English
Remote controller (Accessory of KAC-
X1D, Optional accessory for XR-1S.)
ꢂ
ꢃ
ꢄ
THERMAL MANAGEMENT PROTECTION
ꢀ
ꢁ
:
which affect the sound by causing distortion, etc.
Setting this control cuts the frequencies below the
respective frequency.
This improves the reproduction performance
of the speakers by eliminating unnecessary
oscillations which will not become sound.
~ Cooling fan
! Power indicator
When the power is turned on, the Power indicator
lights.
@ PROTECTION indicator
Lights this indicator when the protection function
is activated. (See page 3)
# THERMAL MANAGEMENT indicator
Lights this indicator when the internal temperature
is high.
$ BOOST LEVEL (Bass boost level) control
Sets the level by which the low frequency range
should be boosted.
% Power indicator
^ FREQUENCY (Bass boost frequency)
control
Sets the center frequency around which the low
frequency range should be boosted.
English 11
Troubleshooting Guide
What might appear to be a malfunction in your unit may just be the result of slight misoperation or
miswiring. Before calling service, first check the following table for possible problems.
PROBLEM
POSSIBLE CAUSE
SOLUTION
No sound.
• Input (or output) cables are
• Connect the input (or output) cables.
(No sound from one side.) disconnected.
(Blown fuse.)
• Protection circuit may be activated.
• Check connections by referring to
<Protection function>.
• Replace the fuse and use lower
volume.
• After check the speaker cord and
fixing the cause of the short, replace
the fuse.
• Volume is too high.
• The speaker cord is shorted.
The output level is too
small (or too large).
• The input sensitivity adjusting control • Adjust the control correctly referring
is not set to the correct position. to <Controls>.
The sound quality is bad. • The speakers wire are connected with • Connect them properly checking the
(The sound is distorted.)
wrong ª/·polarity. ª/· of the terminals and wires well.
• A speaker wire is pinched by a screw • Connect the speaker wire again so
in the car body. that it is not pinched by anything.
• The switches may be set improperly. • Set switches properly by referring to
<System examples>.
The Remote Controller
does not function.
• The Remote Cable is disconnected.
• Connect the Remote Cable securely
and correctly.
1ꢀ English
Specifications
Specifications subject to change without notice.
CEA-ꢀ00ꢅ
RMS Watts per channel @ 4 ohms, 1 % THD+N...................................................................................... 600 W × 1
Signal to Noise Ratio (Reference: 1Watt into 4 ohms)...............................................................................83 dBA
Audio Section
Max Power Output ............................................................................................................................................................................................1500 W
Rated Power Output (+B = 14.4 V)
(4 Ω) (20 Hz – 200 Hz, 1.0 % THD) ........................................................................................................................................600 W × 1
(4 Ω) (DIN45324 , +B = 14.4V).................................................................................................................................................600 W × 1
(2 Ω) (100 Hz, 1.0 % THD)...........................................................................................................................................................700 W × 1
Frequency Response (+0, –3 dB)..............................................................................................................................................20 Hz – 200 Hz
Sensitivity (rated output) (MAX.) .....................................................................................................................................................................0.2 V
(MIN.) ......................................................................................................................................................................5.0 V
Input Impedance.....................................................................................................................................................................................................10 kΩ
Signal to Noise Ratio........................................................................................................................................................................................... 105 dB
Low Pass Filter Frequency (-24 dB/oct.)..........................................................................................................50 Hz – 200 Hz (variable)
Infrasonic Filter Frequency (-24 dB/oct.)...........................................................................................................15 Hz – 40 Hz (variable)
Bass Boost Level ..............................................................................................................................................................0 dB – +18 dB (variable)
Bass Boost Frequency................................................................................................................................................40 Hz – 100 Hz (variable)
General
Operating Voltage...................................................................................................................................................14.4 V (11 – 16 V allowable)
Current Consumption ............................................................................................................................................................................................60 A
Dimensions (W × H × D).....................................................................................................................................................235 × 52 × 192 mm
9-1/4 × 2-1/16 × 7-9/16 inch
Weight.........................................................................................................................................................................................................2.9 kg (6.3 lbs)
English 1ꢁ
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