Pioneer RS-A99 User Manual
Optical Digital Reference System
BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER
RS-A99
Owner’s Manual
English
Contents
Thank you for purchasing this PIONEER product.
To ensure proper use, please read through this manual before using this product.
Please keep the manual in a safe and accessible place for future reference.
Before you start
In case of trouble 3
Before connecting/installing the amplifier 3
Setting the Unit
What’s what 5
Setting level adjustment control
appropriately 5
Connecting the units
Setting example 7
Connection diagram 7
Before connecting the amplifier 8
About bridged mode 8
About suitable specification of speaker 9
Connecting the speakers 9
Connections when using the RCA input
jack 10
Solderless terminal connections 11
Connecting the power terminal 11
Connecting the speaker output
terminals 12
Installation
Before installing the amplifier 13
Example of installation on the floor mat or
chassis 13
Changing the direction of the badge 14
Additional information
Specifications 15
2
En
Before you start
If you want to dispose this product, do not mix
it with general household waste. There is a separate collection system for used electronic
products in accordance with legislation that requires proper treatment, recovery and recycling.
Private households in the member states of
the EU, in Switzerland and Norway may return
their used electronic products free of charge
to designated collection facilities or to a retailer (if you purchase a similar new one).
For countries not mentioned above, please
contact your local authorities for the correct
method of disposal.
By doing so you will ensure that your disposed
product undergoes the necessary treatment,
recovery and recycling and thus prevent potential negative effects on the environment
and human health.
In case of trouble
Should this product fail to operate properly,
please contact your dealer or nearest authorized Pioneer Service Station.
Before connecting/
installing the amplifier
WARNING
! The use of a special red battery and ground
wire RD-228, available separately, is recommended. Connect the battery wire directly to
Section
01
Before you start
the car battery positive terminal + and the
ground wire to the car body.
! This unit is for vehicles with a 12 V battery and
negative grounding. Before installing in recreational 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.
! Use a fuse of the rating prescribed.
! 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.
! Do not allow this unit to come into contact
with liquids. Electrical shock could result.
Also, damage to this unit, smoke, and overheating 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 unable to determine the cause, please contact
your dealer.
! Disconnect the negative terminal of the bat-
tery before installation.
En
3
Section
01
Before you start
CAUTION
! Always keep the volume low enough to hear
outside sounds.
! Extended use of the car stereo while the en-
gine is at rest or idling may exhaust the
battery.
4
En
Setting the Unit
Section
02
What’s what
Top
1
Left
2 3 4 4 3 2
To adjust the switch, use a flathead screwdriver if needed.
1 Power indicator
The power indicator lights up to indicate
power ON.
2 LEVEL ADJUST (level adjustment) control
LEVEL ADJUST (level adjustment) control
helps align the input level of each channel.
Both LEFT CHANNEL (left channel) and
RIGHT CHANNEL (right channel) are available for CH A (channel A) and CH B (channel B).
To increase the level, turn LEVEL ADJUST
(level adjustment) clockwise. To decrease
the level, turn LEVEL ADJUST (level adjustment) counterclockwise.
! In case of a bridge connection of speak-
ers, set the speakers’ LEVEL ADJUST
(level adjustment) switches to the same
position.
! When connecting to a car stereo that
outputs high power, if you turn up the volume of the car stereo and distortion is
increased, turn down the car stereo volume.
3 INPUT SELECT (input select) switch
Select 2CH for two-channel input and 4CH
for four–channel input.
! Set the LEFT CHANNEL (left channel)
and RIGHT CHANNEL (right channel)
switches to the same position.
4 SUPER HI-VOLTAGE MODE (super highvoltage mode) switch
When connecting to RS-P99 (sold separately), turn on the
SUPER HI-VOLTAGE MODE (super high-voltage mode) switch.
! Set the LEFT CHANNEL (left channel)
and RIGHT CHANNEL (right channel)
switches to the same position.
! When connecting to devices other than
RS-P99, turn the switch to off. If you turn
it on, the volume may decrease.
Setting level adjustment
control appropriately
! Protective function included to prevent
malfunction of the unit and/or speakers
due to excessive output, improper use or
improper connection.
! When outputting high volume sound etc.,
this function cuts off the output for a few
seconds as a normal function, but output
is restored when the volume of the head
unit is turned down.
Setting the Unit
En
5
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