PIONEER CORPORATION
28-8, Honkomagome 2-chome, Bunkyo-ku,
Tokyo 113-0021, JAPAN
PIONEER ELECTRONICS (USA) INC.
P.O. Box 1540, Long Beach, California 90801-1540, U.S.A.
TEL: (800) 421-1404
PIONEER EUROPE NV
Haven 1087, Keetberglaan 1, B-9120 Melsele, Belgium/Belgique
TEL: (0) 3/570.05.11
PIONEER ELECTRONICS ASIACENTRE PTE. LTD.
2 Jalan Kilang Barat, #07-01, Singapore 159346
TEL: 65-6378-7888
PIONEER ELECTRONICS AUSTRALIA PTY. LTD.
5 Arco Lane, Heatherton, Victoria, 3202 Australia
TEL: (03) 9586-6300
PIONEER ELECTRONICS DE MÉXICO S.A. DE C.V.
Blvd.Manuel Ávila Camacho 138, 10 piso
Col.Lomas de Chapultepec, México, D.F. 11000
TEL: 52-55-9178-4270
FAX: 52-55-5202-3714
先鋒股份有限公司
台北市內湖區瑞光路407號8樓
電話： 886-(0)2-2657-3588
先鋒電子（香港）有限公司
香港九龍長沙灣道909號5樓
電話： 852-2848-6488
© 2018 PIONEER CORPORATION.
All rights reserved.
© 2018 PIONEER CORPORATION.
Tous droits de reproduction et de
traduction réservés.
<5707000012760V> UC
<KYTZ18I>
<5707000012760V>2
Thank you for purchasing this PIONEER
product
To ensure proper use, please read through this
manual before using this product. It is espe-
cially important that you read and observe
WARNINGs and CAUTIONs in this manual.
Please keep the manual in a safe and accessible
place for future reference.
Information to User
Alteration or modifications carried out without
appropriate authorization may invalidate the
user’s right to operate the equipment.
After-sales service for
Pioneer products
Please contact the dealer or distributor from
where you purchased this unit for after-sales
service (including warranty conditions) or any
other information. In case the necessary infor-
mation is not available, please contact the
companies listed below:
Please do not ship your unit to the companies
at the addresses listed below for repair without
advance contact.
USA&CANADA
Pioneer Electronics (USA) Inc.
CUSTOMER SUPPORT DIVISION
P.O. Box 1760
Long Beach, CA 90801-1760
800-421-1404
For warranty information please see the Lim-
ited Warranty sheet included with this unit.
If you experience problems
Should this product fail to operate properly,
please contact your dealer or nearest author-
ized Pioneer Service Station.
Visit our website
http://www.pioneerelectronics.com
in Canada
http://www.pioneerelectronics.ca
! Learn about product updates (such as firm-
ware updates) for your product.
! Register your product to receive notices
about product updates and to safeguard
purchase details in our files in the event of
loss or theft.
! Access owner’s manuals, spare parts infor-
mation, service information, and much
more.
The Safety of Your Ears is in
Your Hands
Get the most out of your equipment by playing
it at a safe level—a level that lets the sound
come through clearly without annoying blar-
ing or distortion and, most importantly, with-
out affecting your sensitive hearing. Sound
can be deceiving. Over time, your hearing
“comfort level” adapts to higher volumes of
sound, so what sounds “normal” can actually
be loud and harmful to your hearing. Guard
against this by setting your equipment at a
safe level BEFORE your hearing adapts.
ESTABLISH A SAFE LEVEL:
! Set your volume control at a low setting.
! Slowly increase the sound until you can
hear it comfortably and clearly, without dis-
tortion.
! Once you have established a comfortable
sound level, set the dial and leave it there.
<5707000012760V>3
En
Before you start
BE SURE TO OBSERVE THE FOLLOWING
GUIDELINES:
! Do not turn up the volume so high that you
can’t hear what’s around you.
! Use caution or temporarily discontinue use
in potentially hazardous situations.
! Do not use headphones while operating a
motorized vehicle; the use of headphones
may create a traffic hazard and is illegal in
many areas.
About This Product
This product is a mono amplifier for subwoofer. If
both L (left) and R (right) channels are connected
to the RCA input of this product, output is mixed
because this product is a mono amplifier.
Before connecting/
installing the amplifier
WARNING
! This product contains chemicals known to the
State of California and other governmental en-
tities tocause cancer and birth defects or
other reproductive harm. Wash hands after
handling.
! Slots and openings in the cabinet are provided
for ventilation to ensure reliable operation of
the product, and to protect it from overheat-
ing. To prevent fire hazard, the openings
should never be blocked or covered with items
(such as papers, floor mat, cloths).
! This unit is for vehicles with a 12 V battery and
negative grounding. Before installing in re-
creational vehicles, trucks or buses, check the
battery voltage.
! When installing this unit, make sure to con-
nect the ground wire first. Ensure that the
ground wire is properly connected to metal
parts of the car’s body. The ground wire of the
one of this unit must be connected to the car
separately with different screws. If the screw
for the ground wire loosens or falls out, it
could result in fire, generation of smoke or
malfunction.
! Be sure to install the fuse to the battery wire.
! Always use a fuse of the rating prescribed.
The use of an improper fuse could result in
overheating and smoke, damage to the pro-
duct and injury, including burns.
! Check the connections of the power supply
and speakers if the fuse of the separately sold
battery wire or the amplifier fuse blows. Deter-
mine and resolve the cause, then replace the
fuse with and identical equivalent.
! Always install the amplifier on a flat surface.
Do not install the amplifier on a surface that
is not flat or on a surface with a protrusion.
Doing so could result in malfunction.
! When installing the amplifier, do not allow
parts such as extra screws to get caught be-
tween the amplifier and the automobile.
Doing so could cause malfunction.
! Do not allow this unit to come into contact
with liquids. Electrical shock could result.
Also, damage to this unit, smoke, and over-
heating could result from contact with liquids.
The surfaces of the amplifier and any attached
speakers may also heat up and cause minor
burns.
! In the event of any abnormality, the power
supply to the amplifier is cut off to prevent
equipment malfunction. If this occurs, switch
the system power off and check the power
supply and speaker connections. If you are un-
able to determine the cause, please contact
your dealer.
! Always disconnect the negative * terminal of
the battery beforehand to avoid the risk of
electric shock or short circuit during installa-
tion.
! Do not attempt to disassemble or modify this
unit. Doing so may result in fire, electric
shock or other malfunction.
<5707000012760V>4
En
Before you start
<5707000012760V> <1>
English
Français
CLASS D MONO AMPLIFIER
AMPLIFICATEUR MONO DE CLASSE D
GM-D8701
GM-DX871
GM-D9701
GM-DX971
Owner’s Manual
Mode d’emploi
<5707000012761V> UC
Thank you
for purchasing this PIONEER
product
To ensure proper use, please read through this
manual before using this product. It is espe
-
cially important that you read and observe
WARNINGs and CAUTIONs in this manual.
Please keep the manual in a safe and accessible
place for future reference.
Information to User
Alteration or modifications carried out without
appropriate authorization may invalidate the
user’s right to operate the equipment.
Note
This equipment has been tested and found
to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reason
-
able protection against harmful interference
i
n a residential installation. This equipment
generates, uses and can radiate radio fre
-
quency energy and, if not installed and used
i
n accordance with the instructions, may
cause harmful interference to radio commu
-
nications. However, there is no guarantee
th
at interference will not occur in a particu-
lar installation. If this equipment does cause
h
armful interference to radio or television
reception, which can be determined by
turning the equipment off and on, the user is
encouraged to try to correct the interference
by one or more of the following measures:
— Reorient or relocate the receiving
antenna.
— Increase the separation between the
equipment and receiver.
— Connect the equipment into an out-
let on a circuit different from that to
w
hich the receiver is connected.
— Consult the dealer or an experienced
radio/TV technician for help.
FEDERAL COMMUNICATIONS
COMMISSION SUPPLIER’S DECLARATION
OF CONFORMITY
Product Name: Class D Mono Amplifier
Model Number: GM-D8701/GM-DX871/
GM-D9701/GM-DX971
Responsible Party Name: PIONEER
ELECTRONICS (USA) INC.
SERVICE SUPPORT DIVISION
Address: 2050 W. 190TH STREET, SUITE 100,
TORRANCE, CA 90504, U.S.A.
Phone: 1-800-421-1404
URL:
https://www.pioneerelectronics.com/PUSA/
After-sales service for
Pioneer products
Please contact the dealer or distributor from
where you purchased this unit for after-sales
service (including warranty conditions) or any
other information. In case the necessary infor
-
mation is not available, please contact the
c
ompanies listed below:
Please do not ship your unit to the companies
at the addresses listed below for repair without
advance contact.
USA & CANADA
Pioneer Electronics (USA) Inc.
CUSTOMER SUPPORT DIVISION
P.O. Box 1760
Long Beach, CA 90801-1760
800-421-1404
For warranty information, please see the Limited
Warranty sheet included with this unit.
If you experience problems
Should this product fail to operate properly,
please contact your dealer or nearest autho-
rized Pioneer Service Station.
Visit our website
http://www.pioneerelectronics.com
in Canada
http://www.pioneerelectronics.ca
Learn about product updates (such as
firmware updates) for your product.
Register your product to receive notices
about product updates and to safeguard
purchase details in our files in the event of
loss or theft.
Access owner’s manuals, spare parts infor-
mation, service information, and much
m
ore.
The Safety of Your Ears is in
Your Hands
Get the most out of your equipment by playing
it at a safe level—a level that lets the sound
come through clearly without annoying blar
-
ing or distortion and, most importantly, with-
out affecting your sensitive hearing. Sound
c
an be deceiving. Over time, your hearing
“comfort level” adapts to higher volumes of
sound, so what sounds “normal” can actually
be loud and harmful to your hearing. Guard
against this by setting your equipment at a
safe level BEFORE your hearing adapts.
ESTABLISH A SAFE LEVEL:
Set your volume control at a low setting.
Slowly increase the sound until you can
hear it comfortably and clearly, without
distortion.
Once you have established a comfortable
sound level, set the dial and leave it there.
BE SURE TO OBSERVE THE FOLLOWING
GUIDELINES:
Do not turn up the volume so high that you
can’t hear what’s around you.
Use caution or temporarily discontinue use
in potentially hazardous situations.
Do not use headphones while operating a
motorized vehicle; the use of headphones
may create a traffic hazard and is illegal in
many areas.
About This Product
This product is a mono amplifier for subwoofer. If
both L (left) and R (right) channels are connected
to the RCA input of this product, output is mixed
because this product is a mono amplifier.
Before connecting/
installing the amplier
WARNING
This product contains chemicals known to the
State of California and other governmental
entities tocause cancer and birth defects or
other reproductive harm. Wash hands after
handling.
Slots and openings in the cabinet are provided
for ventilation to ensure reliable operation
of the product, and to protect it from over-
heating. To prevent fire hazard, the openings
should never be blocked or covered with items
(such as papers, floor mat, cloths).
This unit is for vehicles with a 12 V battery and
negative grounding. Before installing in rec-
reational vehicles, trucks or buses, check the
battery voltage.
When installing this unit, make sure to con-
nect the ground wire first. Ensure that the
ground wire is properly connected to the
metal parts of the car’s body. The ground wire
of the one of this unit must be connected to
the car separately with different screws. If the
screw for the ground wire loosens or falls out,
it could result in fire, generation of smoke or
malfunction.
Be sure to install the fuse to the battery wire.
Always use a fuse of the rating prescribed.
The use of an improper fuse could result in
overheating and smoke, damage to the prod-
uct, and injury, including burns.
Check the connections of the power supply
and speakers if the fuse of the separately
sold battery wire or the amplifier fuse blows.
Determine and resolve the cause, then
replace the fuse with and identical equivalent.
Always install the amplifier on a flat surface.
Do not install the amplifier on a surface that
is not flat or on a surface with a protrusion.
Doing so could result in malfunction.
When installing the amplifier, do not allow
parts such as extra screws to get caught
between the amplifier and the automobile.
Doing so could cause malfunction.
<KNGZ20J>
<5707000012762V> UC
© 2018-2020 PIONEER CORPORATION.
All rights reserved.
© 2018-2020 PIONEER CORPORATION.
Tous droits de reproduction et de traduction
réservés.
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