Setting the Unit ENGLISH
Gain ControlAdjusting the gain controls A and B willhelp match the output of the car stereo tothe Pioneer amplifier. Normally, set thegain controls to the NORMAL position.If the output is low, even when the vol-ume of the car stereo is turned up, turnthese controls clockwise. If there is dis-tortion when the volume of the car stereois turned up, turn these controls counter-clockwise.
• If you only use one input plug, set the gain
controls for speaker outputs A and B to the
• When using with an RCA equipped car
stereo (standard output of 500 mV), set to
the NORMAL position. When using with
an RCA equipped Pioneer car stereo with
max. output of 4 V or more, adjust level to
match the car stereo output level.
Power IndicatorThe power indicator lights when thepower is switched on.
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select SwitchSet the LPF/HPF select switch as follows according to the type of speaker that is connectedto the speaker output connector and the car stereo system:LPF/HPF Select Audio frequency range Speaker RemarksSwitch to be output Type
LPF (Left) 80 Hz and below with Subwoofer Connect a subwoofer.
–12 dB/oct. cut off slope
OFF (Center) Full range Full range
HPF (Right) 80 Hz and above with Full range Use if you want to cut the
–12 dB/oct. cut off slope very low frequency range
because it is not necessary
for the speakers you are
using.Thank you for purchasing this PIONEERproduct. Before attempting operation, besure to read this manual.
In case of troubleWhen the unit does not operate properly,contact your dealer or the nearest autho-rized PIONEER Service Station.
CAUTIONNever replace the fuse with one of greatervalue or rating than the original fuse. Useof an improper fuse could result in over-heating and smoke and could cause dam-age to the product and injury includingburns.
CAUTIONDo NOT install or use your Pioneer ampli-
fier by wiring speakers rated at 4 Ω (or
lower) in parallel to achieve a 2 Ω (orlower) bridged mode (Diagram B).Amplifier damage, smoke, and overheatingcould result from improper bridging. Theamplifier surface could also become hot tothe touch and minor burns could result.To properly install or use a bridged modefor a two-channel amplifier and achieve a 4
Ω load, wire two 8 Ω speakers in parallelwith Left + and Right – (Diagram A) or use
a single 4 Ω speaker. For a four-channelamplifier, follow the speaker output con-nection diagram for bridging as shown onthe back of your amplifier, and wire two 8
Ω speakers in parallel to achieve a 4 Ω load
or use a single 4 Ω speaker per channel.If you have any questions or concerns,please contact your local authorizedPioneer dealer or call Pioneer customerservice.
• Always use the special red battery and ground
wire [RD-223], which is sold separately. Connect
the battery wire directly to the car battery positive
terminal (+) and the ground wire to the car body.
• Do not touch the amplifier with wet hands.
Otherwise you may get an electric shock. Also, do
not touch the amplifier when it is wet.
• For traffic safety and to maintain safe driving
conditions, keep the volume low enough so that
you can still hear normal traffic sound.
• Check the connections of the power supply and
speakers if the fuse of the separately sold battery
wire or the amplifier fuse blows. Detect the cause
and solve the problem, then replace the fuse with
another one of the same size and rating.
• To prevent malfunction of the amplifier and
speakers, the protective circuit will cut the power
supply to the amplifier (sound will stop) when an
abnormal condition occurs. In such a case, switch
the power to the system OFF and check the
connection of the power supply and speakers.
Detect the cause and solve the problem.
• Contact the dealer if you cannot detect the cause.
• To prevent an electric shock or short-circuit
during connection and installation, be sure to
disconnect the negative (–) terminal of the battery
• Confirm that no parts are behind the panel when
drilling a hole for installation of the amplifier. Be
sure to protect all cables and important equipment
such as fuel lines, brake lines and the electrical
wiring from damage.
• DO NOT allow amplifier to come into contact
with liquids due to, for example, the location
where the amplifier is installed. Electrical shock
could result. Also, amplifier and speaker damage,
smoke, and overheating could result from contact
with liquids. In addition, the amplifier surface and
the surface of any attached speakers could become
hot to the touch and minor burns could result.
Before Using This Product ENGLISH
Input Select SwitchFor two-channel input, slide this switchto the left. For four-channel input, slidethis switch to the right.
Published by Pioneer Corporation.
Copyright © 2006 by Pioneer Corporation.
All rights reserved.
Publicado por Pioneer Corporation.
Copyright © 2006 Pioneer Corporation.
Todos los derechos reservados.
Printed in China
Impreso na China
<YRD5087-A/U> ES<KMINX> <06I00000>
AMPLIFICADOR DE POTENCIA DE
CUATRO CANALES EN PUENTE
Manual del PropietarioPIONEER CORPORATION
4-1, MEGURO 1-CHOME, MEGURO-KU, TOKYO 153-8654, 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
TEL: (0) 3/570.05.11
PIONEER ELECTRONICS ASIACENTRE PTE. LTD.
253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONICS AUSTRALIA PTY. LTD.
178-184 Boundary Road, Braeside, Victoria 3195, Australia
TEL: (03) 9586-6300
PIONEER ELECTRONICS OF CANADA, INC.
300 Allstate Parkway, Markham, Ontario L3R OP2, Canada
PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.
Blvd.Manuel Avila Camacho 138 10 piso
Col.Lomas de Chapultepec, Mexico, D.F. 11000
BFC (Beat Frequency Control) SwitchIf you hear a beat while listening to anAM broadcast with your car stereo,change the BFC switch using a small standard tip screwdriver.
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