USER'S MANUAL - Pyramid Car Audio

PB-136GX PB-336GX
PB-536GX PB-736GX
PB-936GX PB-1236GX
PB-1836GX
PB-236GX
PB-836GX
PB-636GX
PB-1036GX
USER'S MANUAL
www.pyramidcaraudio.com

congratulations...
on your purchase of a Pyramid Royal Blue Series
amplifier. This amplifier extends the Pyramid
tradition into a totally new series of amps, designed
from the ground up to deliver the power,
performance and flexibility the modern car audio
enthusiast demands.
When you check the list of features offered by the
PB-136GX, PB-236GX, PB-336GX, PB-536GX, PB-
636GX, PB-736GX, PB-836GX, PB-936GX, PB-1036GX,
PB-1236GX, PB-1836GX, you’ll know you made the
right choice with a Pyramid Power amplifier.

table of contents
electrical connections
PB-136GX/PB-236GX/PB-336GX20-21
PB-536GX/PB-636GX/PB-736GX
PB-836GX/PB-936GX/PB-1036GX
PB-1236GX/PB-1836GX
stereo input connections
PB-136GX/PB-336GX/PB-536GX22-23
PB-736GX/PB-936GX/PB-1236GX
PB-1836GX
mono input connections
PB-336GX/PB-536GX 24
PB-736GX/PB-936GX
PB-1236GX/PB-1836GX
2/4 channel input connections
general features 2-5
features and specifications
PB-136GX 6-7
PB-236GX 8-9
PB-336GX/PB-536GX/PB-736GX10-15
PB-936GX/PB-1236GX/PB-1836GX
PB-636GX 16-17
PB-836GX/PB-1036GX 18-19
PB-236GX 25-26
high level input connections
PB-636GX/PB-836GX/PB-1036GX27-28
mono input connections
PB-636GX/PB-836GX/PB-1036GX29
high level mono input connections
PB-636GX/PB-836GX/PB-1036GX30
speaker connections
PB-136GX/PB-336GX31
PB-536GX/PB-736GX
PB-936GX/PB-1236GX/PB-1836GX
speaker connections
PB-236GX/PB-636GX32-33
PB-836GX/PB-1036GX
mounting and installation 34
protection circuitry and troubleshooting 35
precautions 36
1

general features
PB-136GX
High Performance 240 Watt 2 Channel Amplifier
· 120 Watts x 2 Output
· Variable Input Level (Gain) Control
· Remote Turn On/Off
· Gold Plated RCA Inputs
· High Level MOLEX Input
· Power ON LED Indicator
· S/N Ratio: > 95 dB
· THD: 95 dB
· THD: 95 dB
· THD:

general features
PB-536GX
High Performance 800 Watt 2 Channel
Bridgeable MOSFET Amplifier
· 400 Watts x 2 Output
· 800W x 1 Bridged Output
· Variable Hi/Lo Electronic Crossover Network
· Variable Bass Boost (0 - +18 dB @ 60Hz)
· Variable Input Level (Gain) Control
· Remote Turn On/Off
· Gold Plated RCA Inputs
· High Level MOLEX Inputs
· Power ON LED Indicator
· LED Protection Indicator
· Remote Bass Boost
· S/N Ratio: > 95 dB
· THD: 95 dB
· THD: 95 dB
· THD:

general features
PB-836GX
High Performance 1600 Watt 4 Channel
Bridgeable MOSFET Amplifier
· 400 Watts x 4 Output
· 800 Watts x 2 Bridged Output(400Wx2+800Wx1)
· Dual Variable Hi/Lo Electronic Crossover Network
· Dual Variable Bass Boost (0 - +18 dB @ 60Hz)
· Variable Input Level (Gain) Control
· Remote Turn On/Off
· Gold Plated RCA Inputs
· High Level MOLEX Input
· Power ON LED Indicator
· LED Protection Indicator
· Remote Bass Boost
· S/N Ratio: > 95 dB
· THD: 95 dB
· THD: 95 dB
· THD:

general features
PB-1236GX
High Performance 1600 Watt 2 Channel
Bridgeable MOSFET Amplifier
· 800 Watts x 2 Output
· 1600W x 1 Bridged Output
· Variable Hi/Lo Electronic Crossover Network
· Variable Bass Boost (0 - +18 dB @ 60Hz)
· Variable Input Level (Gain) Control
· Remote Turn On/Off
· Gold Plated RCA Inputs
· High Level MOLEX Inputs
· Power ON LED Indicator
· LED Protection Indicator
· Remote Bass Boost
· S/N Ratio: > 95 dB
· THD: 95 dB
· THD:

features and controls
2 ch amp PB-136GX
pb-136GX
2 CHANNEL POWER AMPLIFIER
LOW IN
HI IN
CH R CH L
+ - - +
CH R
CH L
LEVEL
POWER
MIN
MAX
high level inputs
low level inputs
input level control
power LED
6
speaker connections
+
L
-
+
R
-
FUSE
GROUND
REM
+12V BATT
power terminals
power fuse

features and specifications
2 ch amp PB-136GX
input level control
use this control to match the outputs of your head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level control until distortion begins to occur, and reduce slightly
from this point.
output power @ 14.4v DC, 1KHz
RMS Power @ 4 Ohms
Maximum Power Output
30 Watts x 2
120 Watts x 2
low level inputs
high level inputs
power LED this indicator is illuminated when power is applied.
power fuse
power terminals
speaker connections
this amp features gold-plated RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
if your car stereo lacks RCA-type output jacks, you may connect speaker
output leads to these input connectors.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.
frequency response
input impedance
low level inputs
high level inputs
input sensitivity
low level inputs
high level inputs
power supply voltage
matching speaker impedance
stereo mode
bridged mode
15 Hz-30 KHz
10K Ohms
100 Ohms
250mV
2.5V
14.4V DC Neg. Ground (10.5-16V)
2-4 Ohms
7
maximum current draw
5A
dimensions (W x H x L)
mm
inches
278 x 81 x 209
10.9 x 3.2 x 8.25

CH4 CH3 + - - +
features and controls
4 ch amp PB-236GX
pb-236GX
HI IN
4 CHANNEL POWER AMPLIFIER
LOW IN
CH 4 CH 3
LEVEL
POWER
LEVEL
LOW IN
CH 2 CH 1
HI IN
CH2 CH1
+ - - +
power LED
MIN
MAX
MIN
MAX
high level inputs
low level inputs
input level control
high level inputs
low level inputs
input level control
8
speaker connections
+
CH1
-
+
CH2
-
+
CH3
-
CH4
+ -
REM
FUSE
GROUND +12V BATT
power terminals
power fuse

features and specifications
4 ch amp PB-236GX
input level control
use this control to match the outputs of your head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level control until distortion begins to occur, and reduce slightly
from this point.
output power @ 14.4v DC, 1KHz
RMS Power @ 4 Ohms
Maximum Power Output
30 Watts x 4
100 Watts x 4
low level inputs
high level inputs
power LED this indicator is illuminated when power is applied.
power fuse
power terminals
speaker connections
this amp features gold-plated RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
if your car stereo lacks RCA-type output jacks, you may connect speaker
output leads to these input connectors.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.
frequency response
input impedance
low level inputs
high level inputs
input sensitivity
low level inputs
high level inputs
power supply voltage
matching speaker impedance
stereo mode
bridged mode
15 Hz-30 KHz
10K Ohms
100 Ohms
250mV
2.5V
14.4V DC Neg. Ground (10.5-16V)
2-4 Ohms
9
maximum current draw
10A
dimensions (W x H x L)
mm
inches
278 x 81 x 235
10.9 x 3.2 x 9.25

features and controls
2 ch amp PB-336GX • PB-536GX
pb-336GX
pb-536GX
power LED
protection LED
Remote Bass Boost
(PB-336GX Without )
REMOTE
BASS BOOST
PROTECT
2 CHANNEL MOSFET AMPLIFIER
POWER
HPF
80 2.5k
Hz
LPF
35 400
Hz
0
BASS
BOOST
+18db
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
LOW IN
L
R
HI IN
R L
+ - - +
high pass frequency control
low pass frequency control
bass boost level
crossover mode selector
high level inputs
low level inputs
input level control
10
speaker connections
+
L
-
+
R
-
FUSE
GROUND
REM
+12V BATT
power terminals
+
BRIDGED
-
power fuse

crossover mode selector
input level control
low pass frequency control
high pass frequency control
bass boost level control
low level inputs
high level inputs
power LED
protection LED
power fuse
power terminals
when used with normal, full range systems, set this switch to “FULL.” If
you wish to use the internal crossover to power a driver of specific frequency
range, use the “LOWPASS” or “HIGHPASS” settings.
use this control to match the outputs of your head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level control until distortion begins to occur, and reduce slightly
from this point.
when the crossover selector switch is in “low pass” mode, this control
sets the upper frequency limit for audio program sent to the speakers.
output power @ 14.4v DC, 1KHz
RMS Power @ 4 Ohms
RMS Power @ 2 Ohms
Maximum Power Output
frequency response
input impedance
low level inputs
high level inputs
input sensitivity
low level inputs
high level inputs
power supply voltage
matching speaker impedance
stereo mode
bridged mode
maximum current draw
dimensions (W x H x L)
mm
inches
40 Watts x 2
60 Watts x 2
300 Watts x 2
15 Hz-30 KHz
10K Ohms
100 Ohms
when the crossover selector switch is in “high pass” mode, this control
sets the lower frequency limit for audio program sent to the speakers.
Remote Bass Boost Plug in the Remote Bass Boost Control wire in here. 11
this control permits adjustment of the bass level up to an increase of
approximately 18 dB.
this amp features gold-plated RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
if your car stereo lacks RCA-type output jacks, you may connect speaker
output leads to these input connectors.
this indicator is illuminated when power is applied.
this indicator is illuminated when built-in protection circuitry is activated.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
features and specifications
2 ch amp PB-336GX • PB-536GX
250mV
2.5V
14.4V DC Neg. Ground (10.5-16V)
15A
278 x 81 x 209
10.9 x 3.2x 8.25
2-4 Ohms
4-8 Ohms
50 Watts x 2
75 Watts x 2
400 Watts x 2
15A
278 x 81 x 235
10.9 x 3.2x 9.25
speaker connections
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.

features and controls
2 ch amp PB-736GX • PB-936GX • PB-1236GX
pb-736GX
pb-936GX
pb-1236GX
power LED
protection LED
Remote Bass Boost
high pass frequency control
low pass frequency control
bass boost level
crossover mode selector
REMOTE
BASS BOOST
PROTECT
2 CHANNEL MOSFET AMPLIFIER
POWER
HPF
80 2.5k
Hz
LPF
35 400
Hz
0
BASS
BOOST
+18db
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
LOW IN
L
R
HI IN
R L
+ - - +
high level inputs
low level inputs
input level control
12
speaker connections
+
L
-
+
R
-
FUSE
GROUND
REM
+12V BATT
power terminals
+
BRIDGED
-
power fuse

crossover mode selectors
input level controls
low pass frequency controls
high pass frequency controls
Remote Bass Boost
bass boost level controls
low level inputs
high level inputs
power LED
protection LED
power fuse
power terminals
speaker connections
when used with normal, full range systems, set these switches to “FULL.”
If you wish to use the internal crossovers to power a driver of specific
frequency range, use the “LOWPASS” or “HIGHPASS” settings.
use these controls to match the outputs of your head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level controls until distortion begins to occur, and reduce slightly
from this point.
when one or both of the crossover selector switches is in “low pass”
mode, one can set the upper frequency limit for audio program sent to
the speakers.
when the one or both of crossover selector switch is in “high pass” mode,
one can set the lower frequency limit for audio program sent to the
speakers.
Plug in the Remote Bass Boost Control wire in here.
this control permits adjustment of the bass level up to an increase of
approximately 18 dB in either or both pairs of channels.
this amp features gold-plated RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
if your car stereo lacks RCA-type output jacks, you may connect speaker
output leads to these input connectors.
this indicator is illuminated when power is applied.
this indicator is illuminated when built-in protection circuitry is activated.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.
features and specifications
output power @ 14.4v DC, 1KHz
RMS Power @ 4 Ohms
RMS Power @ 2 Ohms
Maximum Power Output
frequency response
input impedance
low level inputs
high level inputs
input sensitivity
low level inputs
high level inputs
power supply voltage
matching speaker impedance
stereo mode
bridged mode
maximum current draw
dimensions (W x H x L)
mm
inches
2 ch amp PB-736GX • PB-936GX
PB -736GX
75 Watts x 2
125 Watts x 2
500 Watts x 2
15 Hz-30 KHz
10K Ohms
100 Ohms
250mV
2.5V
90 Watts x 2
150 Watts x 2
600 Watts x 2
14.4V DC Neg. Ground (10.5-16V)
2-4 Ohms
4-8 Ohms
20 A 30 A
278 x 81 x 305
10.9 x 3.2 x 12
PB -936GX
278 x 81 x 343
10.9 x 3.2 x 13.5
13

features and controls
2 ch amp PB1836GX
pb-1836GX
power LED
protection LED
Remote Bass Boost
REMOTE
BASS BOOST
PROTECT
2 CHANNEL MOSFET AMPLIFIER
POWER
HPF
LPF
BASS
BOOST
FREQ.
LEVEL
L
R
HI IN
R L
+ - - +
80 2.5k
Hz
35 400
Hz
0
+18db
HPF
LPF
FULL
MIN
MAX
LOW IN
high pass frequency control
low pass frequency control
bass boost level
crossover mode selector
high level inputs
low level inputs
input level control
14
speaker connections
+
L R FUSE
- + -
GROUND
REM
+12V BATT
power terminals
+
BRIDGED
-
power fuse

crossover mode selectors
input level controls
low pass frequency controls
high pass frequency controls
Remote Bass Boost
bass boost level controls
low level inputs
high level inputs
power LED
protection LED
power fuse
power terminals
speaker connections
when used with normal, full range systems, set these switches to “FULL.”
If you wish to use the internal crossovers to power a driver of specific
frequency range, use the “LOWPASS” or “HIGHPASS” settings.
use these controls to match the outputs of your head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level controls until distortion begins to occur, and reduce slightly
from this point.
when one or both of the crossover selector switches is in “low pass”
mode, one can set the upper frequency limit for audio program sent to
the speakers.
when the one or both of crossover selector switch is in “high pass” mode,
one can set the lower frequency limit for audio program sent to the
speakers.
Plug in the Remote Bass Boost Control wire in here.
this control permits adjustment of the bass level up to an increase of
approximately 18 dB in either or both pairs of channels.
this amp features gold-plated RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
if your car stereo lacks RCA-type output jacks, you may connect speaker
output leads to these input connectors.
this indicator is illuminated when power is applied.
this indicator is illuminated when built-in protection circuitry is activated.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.
features and specifications
output power @ 14.4v DC, 1KHz
RMS Power @ 4 Ohms
RMS Power @ 2 Ohms
Maximum Power Output
frequency response
input impedance
low level inputs
high level inputs
input sensitivity
low level inputs
high level inputs
power supply voltage
matching speaker impedance
stereo mode
bridged mode
maximum current draw
dimensions (W x H x L)
mm
inches
2 ch amp PB-1236GX • PB-1836GX
PB -1236GX
125 Watts x 2
200 Watts x 2
800 Watts x 2
15 Hz-30 KHz
10K Ohms
100 Ohms
250mV
2.5V
150 Watts x 2
225 Watts x 2
1200 Watts x 2
14.4V DC Neg. Ground (10.5-16V)
2-4 Ohms
4-8 Ohms
30 A 40 A
278 x 81 x 381
10.9 x 3.2 x 15
PB -1836GX
278 x 81 x 432
10.9 x 3.2 x 17
15

features and controls
4 ch amp PB-636GX
pb-636GX
ch 3/4 input level control
ch 3/4 high level inputs
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
HPF PROTECT POWER HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
BASS
BOOST
0
+18db
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
CH 2
CH 1
+ - - +
CH2 CH1
HI IN
ch 1/2 input level control
ch 1/2 high level inputs
CHANNEL 3/4
CHANNEL 1/2
LOW IN
4 CHANNEL MOSFET AMPLIFIER
LOW IN
ch 3/4 low level inputs
ch 3/4 crossover mode selector switch
ch 3/4 bass boost level control
ch 3/4 low pass frequency control
ch 3/4 high pass frequency control
protection LED
power LED
ch 1/2 low level inputs
ch 1/2 crossover mode selector switch
ch 1/2 bass boost level control
ch 1/2 low pass frequency control
ch 1/2 high pass frequency control
16
speaker connections
CH1
+ -
CH2
+ -
CH3
+ -
CH4
+ -
FUSE
GROUND
REM
+12V BATT
power terminals
+
BRIDGED
-
+
BRIDGED
-
power fuse

dual crossover mode selectors
dual input level controls
dual low pass frequency controls
dual high pass frequency controls
dual bass boost level controls
low level inputs
high level inputs
power LED this indicator is illuminated when power is applied.
protection LED this indicator is illuminated when built-in protection circuitry is activated.
power fuse
power terminals
when used with normal, full range systems, set these switches to “FULL.”
If you wish to use the internal crossovers to power a driver of specific
frequency range, use the “LOWPASS” or “HIGHPASS” settings.
use these controls to match the outputs of your head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level controls until distortion begins to occur, and reduce slightly
from this point.
when one or both of the crossover selector switches is in “low pass”
mode, one can set the upper frequency limit for audio program sent to
the speakers.
when the one or both of crossover selector switch is in “high pass” mode,
one can set the lower frequency limit for audio program sent to the
speakers.
this control permits adjustment of the bass level up to an increase of
approximately 18 dB in either or both pairs of channels.
this amp features gold-plated RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
if your car stereo lacks RCA-type output jacks, you may connect speaker
output leads to these input connectors.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
features and specifications
4 ch amp PB-636GX
output power @ 14.4v DC, 1KHz
RMS Power @ 4 Ohms
RMS Power @ 2 Ohms
Maximum Power Output
frequency response
input impedance
low level inputs
high level inputs
input sensitivity
low level inputs
high level inputs
power supply voltage
matching speaker impedance
stereo mode
bridged mode
maximum current draw
dimensions (W x H x L)
mm
inches
35 Watts x 4
55 Watts x 4
250 Watts x 4
15 Hz-30 KHz
10K Ohms
100 Ohms
250mV
2.5V
14.4V DC Neg. Ground (10.5-16V)
2-4 Ohms
4-8 Ohms
20A
278 x 81 x 305
10.9 x3.2 x 12
17
speaker connections
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.

features and controls
4 ch amp PB-836GX • PB-1036GX
pb-836GX
pb-1036GX
ch 3/4 input level control
ch 3/4 high level inputs
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
CHANNEL 3/4
HPF
HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
PROTECT
REMOTE
BASS BOOST(CH3/4)
POWER
BASS
BOOST
0
+18db
CHANNEL 1/2
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
CH 2
CH 1
+ - - +
CH2 CH1
HI IN
ch 1/2 input level control
ch 1/2 high level inputs
LOW IN
4 CHANNEL MOSFET AMPLIFIER
LOW IN
ch 3/4 low level inputs
ch 3/4 crossover mode selector switch
ch 3/4 bass boost level control
ch 3/4 low pass frequency control
ch 3/4 high pass frequency control
power LED
protection LED
ch 1/2 low level inputs
ch 1/2 crossover mode selector switch
ch 1/2 bass boost level control
ch 1/2 low pass frequency control
ch 1/2 high pass frequency control
18
speaker connections
CH1
+ -
CH2
+ -
CH3
+ -
CH4
+ -
FUSE
GROUND
REM
+12V BATT
power terminals
+
BRIDGED
-
+
BRIDGED
-
power fuse

dual crossover mode selectors
dual input level controls
dual low pass frequency controls
dual high pass frequency controls
CH 3/4 Remote Bass Boost
dual bass boost level controls
low level inputs
high level inputs
power LED
protection LED
power fuse
power terminals
speaker connections
when used with normal, full range systems, set these switches to “FULL.”
If you wish to use the internal crossovers to power a driver of specific
frequency range, use the “LOWPASS” or “HIGHPASS” settings.
use these controls to match the outputs of your head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level controls until distortion begins to occur, and reduce slightly
from this point.
when one or both of the crossover selector switches is in “low pass”
mode, one can set the upper frequency limit for audio program sent to
the speakers.
when the one or both of crossover selector switch is in “high pass” mode,
one can set the lower frequency limit for audio program sent to the
speakers.
Plug in the Remote Bass Boost Control wire in here.
this control permits adjustment of the bass level up to an increase of
approximately 18 dB in either or both pairs of channels.
this amp features gold-plated RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
if your car stereo lacks RCA-type output jacks, you may connect speaker
output leads to these input connectors.
this indicator is illuminated when power is applied.
this indicator is illuminated when built-in protection circuitry is activated.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.
features and specifications
output power @ 14.4v DC, 1KHz
RMS Power @ 4 Ohms
RMS Power @ 2 Ohms
Maximum Power Output
frequency response
input impedance
low level inputs
high level inputs
input sensitivity
low level inputs
high level inputs
power supply voltage
matching speaker impedance
stereo mode
bridged mode
maximum current draw
dimensions (W x H x L)
mm
inches
4 ch amp PB-836GX • PB-1036GX
PB -836GX
50 Watts x 4
75 Watts x 4
400 Watts x 4
15 Hz-30 KHz
10K Ohms
100 Ohms
250mV
2.5V
PB -1036GX
75 Watts x 4
115 Watts x 4
500 Watts x 4
14.4V DC Neg. Ground (10.5-16V)
2-4 Ohms
4-8 Ohms
30 A 40 A
278 x 81 x 381
10.9 x 3.2 x 15
278 x 81 x 432
10.9 x 3.2 x 17
19

electrical connections
2 ch amp PB-136GX • PB-336GX • PB-536GX
PB-736GX • PB-936GX • PB-1236GX • PB-1836GX
pb-136GX
pb-336GX
pb-536GX
pb-736GX
pb-936GX
pb-1236GX
+
+
L
R
- + -
BRIDGED -
FUSE
GROUND
REM
+12V BATT
20
pb-1836GX
12V battery
head unit
to remote turn-on
+12V

electrical connections
4 ch amp PB-236GX • PB-636GX
PB-836GX • PB-1036GX
pb-236GX
pb-636GX
pb-836GX
pb-1036GX
CH1 CH2
+ - + -
+ BRIDGED -
CH3 CH4
+ - + -
+ BRIDGED -
FUSE
GROUND
REM
+12V BATT
21
12V battery
head unit
to remote turn-on
+12V

using low level inputs
stereo input connections
2 ch amp PB-136GX
pb-136GX
HI IN
CH R CH L
+ - - +
2 CHANNEL POWER AMPLIFIER
LOW IN
CH R CH L
LEVEL
POWER
MIN
MAX
L/R Audio
Outputs
head unit
22
using high level inputs
PLEASE NOTE! If using high level
inputs, do not use the low level RCA
inputs at the same time!
head unit
L L R R
wiring harness
from speaker terminals

using low level inputs
stereo input connections
2 ch amp PB-336GX • PB-536GX • PB-736GX
PB-936GX • PB-1236GX • PB-1836GX
pb-336GX
pb-536GX
pb-736GX
pb-936GX
pb-1236GX
pb-1836GX
REMOTE
BASS BOOST
PROTECT
using high level inputs
2 CHANNEL MOSFET AMPLIFIER
POWER
HPF
80 2.5k
Hz
LPF
35 400
Hz
0
BASS
BOOST
+18db
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
L/R Audio
Outputs
LOW IN
L
R
HI IN
R L
+ - - +
Y Adaptors
head unit
PLEASE NOTE! If using high level
inputs, do not use the low level RCA
inputs at the same time!
23
head unit
L L R R
REMOTE
BASS BOOST
PROTECT
2 CHANNEL MOSFET AMPLIFIER
POWER
HPF
80 2.5k
Hz
LPF
35 400
Hz
0
BASS
BOOST
+18db
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
LOW IN
L
R
HI IN
R L
+ - - +
from speaker terminals

using low level inputs
mono input connections
2 ch amp PB-336GX • PB-536GX • PB-736GX
PB-936GX • PB-1236GX • PB-1836GX
pb-336GX
pb-536GX
pb-736GX
pb-936GX
pb-1236GX
pb-1836GX
REMOTE
BASS BOOST
PROTECT
To a second amplifier
using high level inputs
2 CHANNEL MOSFET AMPLIFIER
POWER
HPF
80 2.5k
Hz
LPF
35 400
Hz
0
BASS
BOOST
+18db
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
LOW IN
L
R
HI IN
R L
+ - - +
Y Adaptors
head unit
24
PLEASE NOTE! If using high level
inputs, do not use the low level RCA
inputs at the same time!
head unit
REMOTE
BASS BOOST
PROTECT
2 CHANNEL MOSFET AMPLIFIER
POWER
HPF
LPF
BASS
BOOST
FREQ.
LEVEL
L
R
HI IN
R L
+ - - +
To a second amplifier
L
L
R
R
80 2.5k
Hz
35 400
Hz
0
+18db
HPF
LPF
FULL
MIN
MAX
LOW IN
wiring harness
wiring harness
from speaker terminals

CH4 CH3 + - - +
CH4 CH3 + - - +
4 CH input connections using low level inputs
2/4 channel input connections
4 ch amp PB-236GX
pb-236GX
4 CHANNEL POWER AMPLIFIER
LOW IN
LOW IN
HI IN
CH 4 CH 3
LEVEL
POWER
LEVEL
CH 2 CH 1
HI IN
CH2 CH1
+ - - +
MIN
MAX
MIN
MAX
L/R REAR
Audio Outputs
2 CH input connections using low level inputs
L/R FRONT
Audio Outputs
head unit
25
4 CHANNEL POWER AMPLIFIER
LOW IN
LOW IN
HI IN
CH 4 CH 3
LEVEL
POWER
LEVEL
CH 2 CH 1
HI IN
CH2 CH1
+ - - +
MIN
MAX
MIN
MAX
L
Y adaptors
R

CH4 CH3 + - - +
high level input connections
4 ch amp PB-236GX
4 CH floating ground connections
pb-236GX
4 CHANNEL POWER AMPLIFIER
LOW IN
LOW IN
HI IN
CH 4 CH 3
LEVEL
POWER
LEVEL
CH 2 CH 1
HI IN
CH2 CH1
+ - - +
MIN
MAX
MIN
MAX
26
4 CH harness wiring for common ground connections
REAR
L R L R FRONT
CH 3/4
CH 1/2
ORANGE
BLACK
BLACK
ORANGE
PLEASE NOTE! If using high level inputs,
do not use the low level RCA inputs at
the same time!
from speaker terminals
ORANGE
BLACK
BLACK
ORANGE
REAR
ORANGE
BLACK
BLACK
ORANGE
L R L R FRONT
from speaker terminals
ORANGE
BLACK
BLACK
ORANGE

4 CH Stereo input connections using low level inputs
Stereo input connections
4 ch amp PB-636GX • PB-836GX • PB-1036GX
pb-636GX
pb-836GX
pb-1036GX
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LOW IN
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
CHANNEL 3/4
HPF
HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
PROTECT
REMOTE
BASS BOOST(CH3/4)
POWER
BASS
BOOST
+18db
CHANNEL 1/2
FREQ.
HPF
LPF
FULL
4 CHANNEL MOSFET AMPLIFIER
0
MIN
LEVEL
MAX
CH 2
CH 1
LOW IN
+ - - +
CH2 CH1
HI IN
L/R REAR
Audio Outputs
2 CH Stereo input connections using low level inputs
L/R FRONT
Audio Outputs
head unit
27
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
CHANNEL 3/4
HPF
HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
PROTECT
REMOTE
BASS BOOST(CH3/4)
POWER
BASS
BOOST
0
+18db
CHANNEL 1/2
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
CH 2
CH 1
+ - - +
CH2 CH1
HI IN
LOW IN
4 CHANNEL MOSFET AMPLIFIER
LOW IN
R
Y adaptors
L

4 CH floating ground connections
4 CH floating ground connections
high level Stereo input connections
4 ch amp PB-636GX • PB-836GX • PB-1036GX
pb-636GX
pb-836GX
pb-1036GX
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
CHANNEL 3/4
HPF
HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
PROTECT
REMOTE
BASS BOOST(CH3/4)
POWER
BASS
BOOST
0
+18db
CHANNEL 1/2
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
CH 2
CH 1
+ - - +
CH2 CH1
HI IN
LOW IN
4 CHANNEL MOSFET AMPLIFIER
LOW IN
28
4 CH harness wiring for common ground connections
REAR
L R L R FRONT
CH 3/4
CH 1/2
ORANGE
BLACK
BLACK
ORANGE
PLEASE NOTE! If using high level inputs,
do not use the low level RCA inputs at
the same time!
from speaker terminals
ORANGE
BLACK
BLACK
ORANGE
REAR
ORANGE
BLACK
BLACK
ORANGE
L R L R FRONT
from speaker terminals
ORANGE
BLACK
BLACK
ORANGE

4 CH mono input connections using low level inputs
mono input connections
4 ch amp PB-636GX • PB-836GX • PB-1036GX
pb-636GX
pb-836GX
pb-1036GX
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LOW IN
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
CHANNEL 3/4
HPF
HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
PROTECT
REMOTE
BASS BOOST(CH3/4)
POWER
BASS
BOOST
+18db
CHANNEL 1/2
FREQ.
HPF
LPF
FULL
4 CHANNEL MOSFET AMPLIFIER
0
MIN
LEVEL
MAX
CH 2
CH 1
LOW IN
+ - - +
CH2 CH1
HI IN
RIGHT FRONT Audio Outputs
LEFT FRONT Audio Outputs
LEFT REAR Audio Outputs
head unit
29
RIGHT REAR Audio Outputs
2 CH mono input connections using low level inputs
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
CHANNEL 3/4
HPF
HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
PROTECT
REMOTE
BASS BOOST(CH3/4)
POWER
BASS
BOOST
0
+18db
CHANNEL 1/2
FREQ.
HPF
LPF
FULL
MIN
LEVEL
MAX
CH 2
CH 1
+ - - +
CH2 CH1
HI IN
LOW IN
4 CHANNEL MOSFET AMPLIFIER
LOW IN
L
Y adaptors
R

4 CH floating ground connections
high level mono input connections
4 ch amp PB-636GX • PB-836GX • PB-1036GX
pb-636GX
pb-836GX
pb-1036GX
+ - - +
CH4 CH3
HI IN
CH 4
CH 3
LOW IN
LEVEL
MIN
MAX
FREQ.
HPF
LPF
FULL
BASS
BOOST
LPF
0 +18db 35 400
Hz
CHANNEL 3/4
HPF
HPF LPF
80 2.5k
80 2.5k 35 400
Hz Hz Hz
PROTECT
REMOTE
BASS BOOST(CH3/4)
POWER
BASS
BOOST
+18db
CHANNEL 1/2
FREQ.
HPF
LPF
FULL
4 CHANNEL MOSFET AMPLIFIER
0
MIN
LEVEL
MAX
CH 2
CH 1
LOW IN
+ - - +
CH2 CH1
HI IN
4 CH harness wiring
for common ground connections
CH 3/4
30
CH 1/2
R
L
ORANGE
BLACK
BLACK
ORANGE
PLEASE NOTE! If using high level inputs,
do not use the low level RCA inputs at
the same time!
from speaker terminals
ORANGE
BLACK
BLACK
ORANGE
ORANGE
BLACK
BLACK
ORANGE
R
L
ORANGE
BLACK
BLACK
ORANGE
from speaker terminals

Stereo Output Mode
speaker connections
2 ch amp PB-136GX • PB-336GX • PB-536GX • PB-736G
PB-936GX • PB-1236GX • PB-1836GX
pb-136GX
pb-336GX
+
L
-
+
R
-
FUSE
REM
GROUND +12V BATT
pb-536GX
+
BRIDGED
-
pb-736GX
pb-936GX
pb-1236GX
Bridged Mono Output Mode (PB-136GX WITHOUT)
31
pb-1836GX
LEFT speaker
RIGHT speaker
+
L
-
+
R
-
FUSE
REM
GROUND +12V BATT
+
BRIDGED
-
speaker
MINIMUM
SPEAKER
IMPEDANCE
4 OHMS!

4 CH Output Mode
speaker connections
4 ch amp PB-236GX • PB-636GX
PB-836GX • PB-1036GX
pb-236GX
pb-636GX
pb-836GX
pb-1036GX
CH1 CH2
+ - + - + - + -
+ BRIDGED - + BRIDGED -
REM
CH3 CH4
FUSE
GROUND
L
R
FRONT speakers R L REAR speakers
+12V BATT
Bridged Dual Mono Output Mode (PB-236GX WITHOUT)
32
CH1 CH2
+ - + -
+ BRIDGED -
CH3 CH4
+ - + -
+ BRIDGED -
FUSE
GROUND
REM
+12V BATT
MINIMUM
SPEAKER
IMPEDANCE
4 OHMS!
L
speakers
R

speaker connections
4 ch amp PB-636GX • PB-836GX • PB-1036GX
pb-636GX
pb-836GX
pb-1036GX
2 CH Bridged Output Mode with Subwoofer Output
CH1 CH2
+ - + - + - + -
REM
CH3 CH4
FUSE
GROUND
+12V BATT
33
+
BRIDGED
-
+
BRIDGED
-
SUBWOOFER
L
R
SPEAKERS
MINIMUM
SPEAKER
IMPEDANCE
4 OHMS!