User Manual

ManualsBrandsPioneer ManualsCar AmplifiersGM-Series 2000 W Max Power 5-Ch. Class-D Amplifier - Black

About the protection function

This product has protection function. When this

product detects something abnormal, the follow-

ing functions will operate to protect the product

and speaker output.

! The POWER/PROTECT indicator will turn red

and the amplifier will shut down in the situa-

tions outlined below.

— If a DC voltage is applied to the speaker

output terminal.

! The POWER/PROTECT indicator will turn red

and the output will be muted in the situations

outlined below.

— If the speaker output terminal and speaker

wire are short-circuited.

— If the subwoofer output terminal and sub-

woofer wire are short-circuited.

! The amplifier will reduce the power output if

the temperature inside the amplifier gets

high. If the temperature gets too high, the

POWER/PROTECT indicator will turn off, and

the amplifier will shut down.

Component names and

functions

Front side

43 321 12

673819

Rear side

To adjust the switch, use a flathead screwdri-

ver if needed.

1 FREQ (cut off frequency) control

Cut off frequency selectable from 40 Hz to

500 Hz.

! Set the LPF/HPF select switch to LPF or

HPF according to the type of frequency

that you want to cut off.

2 LPF (low-pass filter)/HPF (high-pass fil-

ter) select switch

Switch the settings based on the connected

speaker.

! When a full-range speaker is connected,

select HPF or OFF. HPF eliminates low-

range frequency and outputs high-range

frequency. OFF outputs the entire fre-

quency range.

! When a low-range speaker or subwoofer

is connected, select LPF.

3 GAIN (gain) control

Adjusting the gain controls helps align the

car stereo output to the Pioneer amplifier.

The default setting is the NORMAL position.

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Before you start Setting the unit

If the output remains low, even when the car

stereo volume is turned up, turn the con-

trols to a lower level. If distortion occurs

when the car stereo volume is turned up,

turn these controls to a higher level.

! In case of a bridge connection, set the

gain controls for speaker outputs A and

B to the same position.

! For use with an RCA equipped car stereo

(standard output of 500 mV), set to the

NORMAL position. For use with an RCA

equipped Pioneer car stereo, with maxi-

mum output of 4 V or more, adjust level

to match that of the car stereo output.

! For use with an RCA equipped car stereo

with output of 4 V, set to the H position.

4 2CH-4CH INPUT SELECT (input select)

switch

For details, refer to Connecting the car

stereo.

5 SP INPUT (speaker input) terminal

Please see the following section for speaker

connection instructions. Refer to Connec-

tions when using the speaker input wir e.

6 POWER/PROTECT indicator

The power indicator lights up to indicate

power ON.

! If something is not normal, the indicator

turns red.

7 A/B-SW INPUT SELECT (input select)

switch

For details, refer to Connecting the car

stereo.

8 SLOPE (slope) select switch

Select the slope of LPF from –12 dB (shallow

slope) or –24 dB (sharp slope).

9 BB-REMOTE (bass boost level remote

control) jack

By connecting the Bass boost level remote

control to the jack on the main unit, you will

be able to select a bass boost level from

0 dB to 18 dB.

! The bass boost level setting applies only

to the subwoofer output.

! For instruction of connecting the bass

boost remote control to the amplifier, see

the Connection diagram.

Setting gain properly

! 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.

! A cut in sound output may indicate impro-

per setting of the gain control. To ensure

continuous sound output with the head

unit at a high volume, set amplifier gain

control to a level appropriate for the preout

maximum output level of the head unit, so

that volume can remain unchanged and to

control excess output.

! Despite correct volume and gain settings,

the unit sound still cuts out periodically. In

such cases, please contact the nearest

authorized Pioneer Service Station.

Gain control of this unit

Preout level: 2 V (Standard: 500 mV)

Preout level: 4 V

Above illustration shows NORMAL gain set-

ting.

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Setting the unit

Relationship between amplifier gain

and head unit output power

If amplifier gain is raised improperly, this will

simply increase distortion, with little increase

in power.

Signal waveform when outputting at

high volume using amplifier gain

control

If the signal waveform is distorted due to high

output, even if the amplifier gain is raised, the

output power will change only slightly.

Connection diagram

1 Batter y wire (sold separately)

! The maximum length of the wire be-

tween the fuse and the positive + term-

inal of the battery is 30 cm (12 in.).

! For the wire size, refer to Connecting the

power terminal. The battery wire, the

ground wire and the optional direct

ground wire must be same size. After

making all other connections at the am-

plifier, connect the battery wire terminal

of the amplifier to the positive + term-

inal of the battery.

2 Fuse (100 A) (sold separately)

Each amplifier must be separately fused at

100 A.

3 Positive + terminal

4 Negative (*) terminal

5 Batter y (sold separately)

6 Ground wire, Terminal (sold separately)

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Setting the unit Connecting the units

The ground wires must be same size as the

battery wire.

Connect to metal body or chassis.

7 External output

If only one input plug is used, do not connect

anything to RCA input jack B or RCA subwoo-

fer input jack.

8 Car stereo with RCA output jacks (sold sepa-

rately)

9 Connecting wire with RCA pin plugs (sold se-

parately)

a Bass boost level remote control

b Bass boost level remote control wire (5 m

(16 ft. 5in.))

c RCA input jack A

d RCA input jack B

e RCA subwoofer input jack

f Front side

g Fuse (30 A) × 3

h Speaker/subwoofer output terminals

Please see the following section for speaker

connection instructions. Refer to Connections

when using the speaker input wire.

i Rear side

j System remote control wire (sold separately)

Connect male terminal of this wire to the sys-

tem remote control terminal of the car stereo.

The female terminal can be connected to the

auto-antenna relay control terminal. If the car

stereo lacks a system remote control terminal,

connect the male terminal to the power term-

inal via the ignition switch.

Note

INPUT SELECT (input select) switch must be set.

For details, refer to Connecting the car stereo.

Before connecting the

amplifier

WARNING

! Secure the wiring with cable clamps or adhe-

sive tape. To protect the wiring, wrap sections

in contact with metal parts in adhesive tape.

! Never cut the insulation of the power supply

to feed power to other equipment. Current ca-

pacity of the wire is limited.

CAUTION

! Never wire the speaker negative cable directly

to ground.

! Never band together multiple speaker’s nega-

tive cables.

! If the system remote control wire of the ampli-

fier is connected to the power terminal via the

ignition switch (12 V DC), the amplifier will re-

main on with the ignition whether the car

stereo is on or off, which may exhaust battery

if the engine is at rest or idling.

! Install and route the separately sold battery

wire as far as possible from the speaker wires.

Install and route the separately sold battery

wire, ground wire, speaker wires and the am-

plifier as far away as possible from the anten-

na, antenna cable and tuner.

About bridged mode

! The maximum speaker impedance is 4 W.

Please carefully check. Improper connection

to the amplifier may result in malfunction or

personal injury due to burns from overheat-

ing.

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Connecting the units