Jeep Wrangler
UNLIMITED JK • 1/19
Jeep Wrangler
PSS-22WRA Sound System
Installation Manual
• Model: 4-Door Wrangler Unlimited JK
• Model Year: 2011 – 2018
*Not compatible with factory amplified systems
**Not compatible with manual transmission models
Model Year
Jeep Wrangler Unlimited 2011 – 2018
* The specified vehicles have been tested and have met compatibility specs at the time of testing. Compatibility is not guaranteed if
the manufacturer has made production changes to the listed vehicles above.
Introduction
• Congratulations on purchasing the PSS-22WRA. This installation manual is designed to take you through the
step-by-step installation of the PSS-22WRA into a 2011 - 2018 Jeep Wrangler Unlimited. Please familiarize
yourself with the owner’s manual and if you still have additional questions please call 1-800-TECH-101.
To Ensure Safe Use Always Follow These Precautions
•"The"installation"of"this"product"requires"specialized"skills"and"experience."We"recommend"that"you"have"the
product"installed"by"an"Alpine"authorized"dealer.
•"Before"you"use"this"product,"be"sure"to"carefully"read"this"installation"manual"and"the"separate"user's"manual
so"that"you"can"use"the"product"correctly."Alpine"Electronics"bears"no"responsibility"for"problems"that"arise"as
a"result"of"failure"to"follow"the"instructions"in"the"manuals.
•"This"manual"includes"a"number"of"symbols"that"are"intended"to"help"you"use"the"product"safely,"to"prevent
harm"to"you"and"others,"and"to"protect"against"damage"to"property."These"symbols"and"their"meanings"are
listed"below."Make"sure"you"fully"understand"these"symbols"before"you"begin"reading"the"main"text.
Explanations of Injury and Damage That May Result from Incorrect Use
Warning
Ignoring the content marked by this indication and using the product incorrectly
may lead to death or serious injury.
Caution
Ignoring the content marked by this indication and using the product incorrectly
may lead to injury or property damage.
Warning: Before you begin, remove the ground wire from the NEGATIVE (-) terminal of
the battery. Failing to do so can lead to electric shock, injury or damage to equipment.
Note
• Design and specifications are subject to change without notice for improvement.
Types of Precautions
Forbidde
n
Indicates actions that are
forbidden (must not be performed)
Forbidde
n
Indicates that disassembly is
forbidden.
Mandator
y
Indicates actions that are
mandatory (must be performed)
Marks content that should receive
your full attention.
Warning
Do not disassemble or modify the product.
Doing so could lead to an accident re or
electric shock.
Store screws and other small objects
where small children cannot reach them.
If one of these small objects is swal -
lowed, consult with a doctor immediately.
When replacing fuses, be sure to
use fueses with the specied current
rating. Failing to do so could lead to
an accident or re.
Only connect the product to a 12 VDC
negative ground car. Failing to do so could
lead to an accident or re.
Before you begin wiring, remove the
ground wire from the negative terminal of
the battery. Failing to do so could lead to
electric shock or injury.
Do not cut the insulation on a cord and take
power from another device. Doing so could
lead to re or electric shock.
Do not install the product in a location
where it will obstruct the driver’s forward
view; interfere with the operation of the
steering wheel, gearshift, or the like; or
pose a threat to passengers. Doing so could
lead to an accident or injury.
When making a hole in the vehicle body, be
careful to avoid damaging pipes, the fuel
tank, electrical wiring, and the like. This
kind of damage could lead to an accident
or re.
When installing and grounding the product,
do not use any of the bolts or nuts of the
steering wheel, brakes, fuel tank, or the
like. Doing so could make the brakes stop
working or lead to re.
Do not install the product near the
passenger-side airbag. Doing so could
interfere with the operation of the airbag
and lead to an accident or injury.
Bundle cords so that they don’t interfere
with driving. Wrapping cords around the
steering wheel, gearshift, brake pedal,
or the like, could lead to an accident or
damage equipment.
Caution
Connect the product properly according to
the instructions. Failing to do so could lead
to re or an accident.
Do not sandwich cords between the seat
railing or allow them to touch protrusions.
Resulting breaks or shorts could lead to
electric shock or re.
Do not block vents or heat sinks. Doing so
could lead to re or damage equipment.
Use the accessories according to the
instructions, and attach them securely.
Failing to do so could lead to an accident
or damage equipment.
Do not install the product where it may be
exposed to water or in a place with high
levels of humidity or dust. Doing so could
lead to re or damage equipment.
The installation and wiring of this product
requires specialized skills and experience.
Have the product installed by an Alpine
authorized dealer.
Forbidde
n
Forbidde
n
Mandator
y
Mandator
y
Forbidde
n
Forbidde
n
Forbidde
n
Forbidde
n
Forbidde
n
Forbidde
n
Forbidde
n
Jeep Wrangler
UNLIMITED JK • 2/19
Panel Removal Tool Sockets #2 Phillips Screwdriver
Wire Cutters Extension Ratchet
Torx Cordless Power Drill Cordless Impact Gun
Heat Gun 9/32” Drill Bit
Tools Required
T
15 T30 T45
T20
Jeep Wrangler
UNLIMITED JK • 3/19
7mm 10mm 18mm
Amplifier Assembly Subwoofer Enclosure Main Harness
T-Harness RCA Adapter Power Cable
(3) 10-24 ¾” Hex Washer Head Screws (10) Cable Ties (4) Alpine Logo Badges
(4) Tweeters (4) Tweeter Crossovers (4) 6.5” Woofers
(4) Tweeter Adapter Plates (for 2015 – 2017
models only)
(2) Tweeter Bridge Grille Adapter (for 2007–
2014 models only)
(4) Polyfill sheets
(4) Foam Strips
Accessory List
TW level
TW level
+3db
0db
TW level
TW level
+3db
0db
TW level
TW level
+3db
0db
TW level
TW level
+3db
0db
Jeep Wrangler
UNLIMITED JK • 4/19
Remove the window switch pod using a panel
removing tool and extract (1) 7mm screw.
3
1
Remove the rubber cover from the top storage area
and extract (1) 7mm screw.
Extract (4) 7mm screws and remove the factory
radio.
5
Remove the dash panel.
4
2
Remove the knee cover panel and extract (2) 7mm
screws located to the right and left sides of the
steering wheel column.
Factory Equipment Removal Process 2011 – 2018 Models
Radio
Extract (4) 7mm screws and remove the instrument
cluster.
6
Jeep Wrangler
UNLIMITED JK • 5/19
40
60
80
20
100
0
20
40
60
80
100
120
140
160
km/h
34
5
1
6
0
km/h
MPHMPH
2
7
RPM
F
H
C
Left side of
steering wheel
column
Right side of
steering wheel
column
Factory Equipment Removal Process 2011 – 2014 Models
Tweeters
1
Remove the top dash tweeter using a panel removal
tool.
2
Gently open the (3) lock tabs to release the factory
tweeter.
Factory Equipment Removal Process 2015 – 2018 Models
1 2
Using a 7mm socket remove (2) screws, disconnect
and remove the factory speakers.
Remove the top dash tweeter using a panel removal
tool.
Top Das h Speakers
Jeep Wrangler
UNLIMITED JK • 6/19
Front Lower Dash Speaker Removal
1
Using a panel removing tools, remove the dash side
covers by each door.
2
Remove the driver side knee cover by releasing the
(2) top clips.
Driver Side Passenger Side
3
Extract (2) 10mm screws from the metal steering
wheel column cover and remove it.
4
Extract (2) 7mm screws from the lower dash.
10mm
5
Remove glove box by pushing both left and right
sides inwards.
6
Extract (2) 7mm screws located on the lower dash
section.
Jeep Wrangler
UNLIMITED JK • 7/19
7mm
Front Speakers Removal
5
Extract (2) 7mm screws from the side of each
respective dash enclosure.
Passenger SideDriver Side
7
Disconnect the speaker enclosure (connector
located on the back)
6
Remove (1) 10mm screws from under the each
enclosure.
8
Pull the dash towards the back of the vehicle and
remove the enclosure by turning towards the back.
9
10
Extract (2) 7mm screws from the lower dash.
Remove glove box by pushing both left and right
sides inwards.
0 7-’11 Models have (4) screws)
‘07-11 Models have (2) additional screws
Front Lower Dash Speaker Removal (continued)
Center Console Shifter Panel Removal
1
2
Remove the transfer case shifter knob
by pulling up. (some force may be
needed)
Remove the shifter panel by carefully
pulling upward and releasing the clips
with a panel removal tool.
Jeep Wrangler
UNLIMITED JK • 8/19
Sound Bar Speaker Removal 2011 - 2014
Sound Bar Speaker Removal 2015 - 2018
1. Remove (3) T15 Torx screws from the speaker grills.
2. Disconnect and remove the factory speaker.
1. Remove (3) T20 Torx screws from the speaker grill.
2. Remove (5) T20 Torx screws, disconnect and
remove both speakers.
Passenger Side Seat Removal All Models
1
Using a 18mm socket, extract the (4) seat bolts from
the passenger side seat.
2
Using a T45 Torx extract (1) bolt from the seat belt
anchor.
Top View of Seat
Jeep Wrangler
UNLIMITED JK • 9/19
Rear
Front
Jeep
1
Use a 10mm socket to connect the power cable to
the POSITIVE (+) battery terminal. Note: The
NEGATIVE terminal should remain disconnected
until the installation is completed.
2
Amplifier Installation
Lift the engine cover and pull towards the front of
the vehicle to remove it.
3
Route the power cable through the blank grommet
on the firewall on the drivers side.
4
Route the power cable following the OEM harness
and secure it with the cable ties provided as shown
below.
5
Route the amplifier main harness up to the cluster
area following the OEM harness. (Shown in dashed
line)
6
Use the supplied cable ties to secure the main
harness to the dashboard frame with the inductors
between the vehicle’s body and dash board frame.
Jeep Wrangler
UNLIMITED JK • 10/19
Viewfromdriverside
betweenthebody
anddashboardframe
7
Route the subwoofer cable and bass level knob
down to the center console.
8
Amplifier Installation (continued)
Route the In/Out audio connections behind the
dash frame to the radio location. Make all the
necessary connections based on your system
configuration see pages 17, 18 or 19.
9
Mount the bass level knob in one of the suggested
locations. Use a drill bit size 9/32”.
10
Route the subwoofer cable across the center
console over to the passenger side seat.
11
Insert the supplied water proof shrink tube into the
Power cable. Connect the female connector on the
power cable to the male connector on the main
harness and shrink the tube using a heat gun.
12
Use a 10mm socket to mount main harness ground
terminal to the OEM chassis ground above the kick
panel.
Jeep Wrangler
UNLIMITED JK • 11/19
1 2
Using a T30 Torx, remove the OEM harness
mounting plate as shown below. Use a panel
removing tool to remove the two plugs from the
mounting plate.
Subwoofer Installation
3
4
Secure the connector plugs using cable ties to the
left side of the seat as shown below.
13
Connect both amplifiers Note: Be sure to insert the
corresponding connector into each amplifier.
14
Use an impact gun to mount the amplifier assembly
with the supplied (3) Hex head screws.
Place the passenger seat over the enclosure while
carefully aligning the enclosure in between the seat
rails. Mount using (4) 18mm seat bolts.
Amplifier Installation (continued)
Connect the subwoofer to the main harness.
Jeep Wrangler
UNLIMITED JK • 12/19
+
+ +
1
Select the (2011-2014) crossover input wires and
connect to the vehicle plug. Connect tweeter
connectors. Secure the crossover.
Note: 2015-2017 input plug is not used.
2
Guide the tweeter in the opening and press into
place.
Front Speaker (Tweeters) Installation 2011 – 2014 Models
1
Remove the speaker by extracting the (3) factory
screws. (Save screws for later). Cut a slit in the center
of the polyfill, and pull the vehicle plug through. Insert
the excess polyfill into the enclosure. Note:
Installation of polyfill is needed for optimum
sound.
2
Add the foam strip, connect the vehicle plug to the
speaker.
1. Install using the reverse procedure
2. Repeat for the opposite side
Front Speaker (Woofers) Installation 2011 – 2018 Models
Add foam strip
(included)
Do not use
(2015-2017)
2007-2014
Connect the tweeter (-)
to the crossover and
select either:
0db wire
+3db wire
(Increased TW level)
for the tweeter (+) lead
(-)
(+)
(+)
TW level
TW level
+3db
0db
1
Press the tweeter into the 3.5” tweeter adapter.
2
Front Speaker (Tweeters) Installation 2015 – 2018 Models
Do not use
(2015-2017)
2007-2014
Connect the tweeter (-)
to the crossover and
select either:
0db wire
(Default TW level) or
+3db wire
(Increased TW level)
for the tweeter (+) lead
(-)
(+)
(+)
TW level
TW level
+3db
0db
Select the (2015-2018) crossover input wires and
connect to the vehicle plug. Connect tweeter
connectors. Secure the crossover.
Note: 2011-2014 input plug is not used.
Insert Polyfill
Jeep Wrangler
UNLIMITED JK • 13/19
1
Press the tweeter into the tweeter bridge grille
adapter. Observe the tab orientation.
2
Route the tweeter wires through the grille by
removing the wire cover. Ensure the wires do not get
pinched when reinstalling the wire cover.
Rear Sound Bar Speaker Installation 2011 – 2014 Models
3
Route the wire through the notch on the basket, then
press the grille into place. Ensure the wires do not get
pinched.
4
Add foam strip on top of wires in channel.
5
Cut a slit in the center of the polyfill, and pull the
vehicle plug through. then insert the excess polyfill into
the sound bar enclosure. Note: Installation of polyfill
is needed for optimum sound.
6
Insert Polyfill
Select the (2011-2014) crossover input wires and
connect to the vehicle plug. Connect tweeter
connectors. Secure the crossover.
Note: 2015-2017 input plug is not used.
Do not use
(2015-2017)
2007-2014
Connect the tweeter (-)
to the crossover and
select either:
0db wire
+3db wire
(Increased TW level)
for the tweeter (+) lead
(-)
(+)
(+)
TW level
TW level
+3db
0db
Jeep Wrangler
UNLIMITED JK • 14/19
7
Align the factory speaker grille over the tweeter bridge
grille adapter tabs, connect the vehicle plug to the
speaker and mount to the sound bar using the (3) T15
Torx screws.
8
Rear Sound Bar Speaker Installation 2011 – 2014 Models (continued)
Clean the factory grille surface and apply the
Alpine Badges.
Rear Sound Bar Speaker Installation 2015 – 2018 Models
3 4
1 2
Cut a slit in the center of the polyfill, and pull the
vehicle plug through. then insert the excess polyfill into
the sound bar enclosure. Note: Installation of polyfill
is needed for optimum sound.
Insert Polyfill
Do not use
(2015-2017)
2007-2014
Connect the tweeter (-)
to the crossover and
select either:
0db wire
(Default TW level) or
+3db wire
(Increased TW level)
for the tweeter (+) lead
(-)
(+)
(+)
TW level
TW level
+3db
0db
Select the (2015-2018) crossover input wires and
connect to the vehicle plug. Connect tweeter
connectors. Secure the crossover.
Note: 2011-2014 input plug is not used.
Press the tweeter into the 3.5” tweeter adapter.
Add the foam strip, connect the vehicle plug to the
speaker.
1. Install using the reverse procedure
2. Repeat for the opposite side
Add foam strip
(included)
Jeep Wrangler
UNLIMITED JK • 15/19
Jeep Wrangler
UNLIMITED JK • 16/19
PSS-22WRA WIRING DIAGRAM FOR FACTORY HEADUNIT
To Vehicle Connectors
Power/Speaker
16-pin Gray Connector
Front Speakers
Rear
RearFront
Blue
Amp Turn-on
To Chassis
Ground
To Vehicle’s Battery POSITIVE (+) Terminal
Amplier Speaker Wiring
CH 1 - White (+) White/Black (-)
CH 2 - Gray(+) Gray/Black (-)
CH 3 - Green (+) Green/Black (-)
CH 4 - Purple (+) Purple/Black (-)
KTA-30F-WRA
Subwoofer
OEM T-HARNESS
ADAPTER
Subwoofer
High Level Out
To OEM Headunit
NOTE: FOR BEST PERFORMANCE SET AMPLIFIER AND SUBWOOFER TO RECOMMENDED SETTINGS AS SHOWN ABOVE
SubwooferRearFront
BLACK
RED
To Battery Cable
4 PIN BLACK CONNECTOR
4 PIN WHITE CONNECTOR
Subwoofer
Level Remote
KTA-30M-WRA
KTA-30F-WRA SOUND SETTINGS
KTA-30M-WRA SOUND SETTINGS
SBV-10-WRA
INPUT GAIN SUBSONIC
LP FILTER
BASS
EQ
RCA SPK
MIN MAX
NOM
15
40
5
+5
+12
0
(Hz) (dB)
OFF ON
80
400
50
60
120
(Hz)
INPUT
FILTER
RCA SPK
GAIN
MIN MAX
NOM
FREQ
80
400
50
60
120
(Hz)
2CH 4CH
FREQ
80
400
50
60
120
(Hz)
GAIN
MIN MAX
NOM
OFF HP LP OFF HP LP
FILTER
CH3/4
CH1/2
Jeep Wrangler
UNLIMITED JK • 17/19
PSS-22WRA WIRING DIAGRAM FOR ALPINE RESTYLE HEADUNIT
To Vehicle Connectors
iDatalink MAESTRO Module
To OBDII Connector
Power/Speaker
16-pin Gray Connector
OEM Audio
20-pin Gray Connector
Front
Rear
Rear
Front
L
R
L
R
L
R
Front
Front
Rear
Rear Subwoofer
Subwoofer
Blue
Amp Turn-On
To Vehicle’s Battery POSITIVE (+) Terminal
For a detailed Alpine Restyle headunit wiring diagram
refer to it’s corresponding installation manual.
Connect to Alpine Restyle
headunit low level output
NOTE: FOR BEST PERFORMANCE SET AMPLIFIER AND SUBWOOFER TO RECOMMENDED SETTINGS AS SHOWN ABOVE
RED/WHITE
RCA Adapter
WHITE/GRAY
RCA Adapter
GREEN/PURPLE
RCA Adapter
Front
Rear
Blue/White
Amp Turn-on
NOT USED
BLACK
To Chassis
Ground
RED
To Battery Cable
4 PIN BLACK CONNECTOR
4 PIN WHITE CONNECTOR
X-Over
Front - 63Hz Slope 18db Level 0
Rear - 63Hz Slope 18db Level -2
Sub - 80Hz Slope 18db Level 0
Time Correction
FL 0.4 FR 0.0
RL 2.9 RR 2.3
SL 0.0 SR 0.0
Front
63Hz Level +5 Medium
140Hz Level +6 Medium
200Hz Level -8 Medium
450Hz Level -1 Narrow
560Hz Level -10 Narrow
1.1kHz Level -04 Medium
4kHz Level +2 Medium
8kHz Level +2 Wide
18kHz Level +5 Wide
Rear
56Hz Level +5 Wide
80Hz Level +8 Wide
200Hz Level -10 Medium
500Hz Level -2 Narrow
800Hz Level +3 Medium
1.8kHz Level +5 Medium
3.6kHz Level +4 Wide
8kHz Level +2 Wide
16kHz Level +3 Narrow
Alpine Restyle Headunit Recommended Sound Settings
KTA-30F-WRA
Subwoofer
Subwoofer
Level Remote
KTA-30M-WRA
SBV-10-WRA
KTA-30M-WRA SOUND SETTINGS
INPUT GAIN SUBSONIC
LP FILTER
BASS
EQ
RCA SPK
MIN MAX
NOM
15
40
5
+5
+12
0
(Hz) (dB)
OFF ON
80
400
50
60
120
(Hz)
KTA-30F-WRA SOUND SETTINGS
INPUT
FILTER
RCA SPK
GAIN
MIN MAX
NOM
FREQ
80
400
50
60
120
(Hz)
2CH 4CH
FREQ
80
400
50
60
120
(Hz)
GAIN
MIN MAX
NOM
OFF HP LP OFF HP LP
FILTER
CH3/4
CH1/2
To Vehicle Connectors
Power/Speaker
16-pin Green Connector
Front Speakers
Rear
OEM T-HARNESS
ADAPTER
High Level Out
NOT USED
SubwooferRearFront
4 PIN BLACK CONNECTOR
4 PIN WHITE CONNECTOR
To 3rd party wire harness and
radio replacement interface
Blue/White
Amp Turn-On
* Wire Harness and Interface sold separately
To Vehicle’s Battery POSITIVE (+) Terminal
NOTE: FOR BEST PERFORMANCE SET AMPLIFIER AND SUBWOOFER TO RECOMMENDED SETTINGS AS SHOWN ABOVE
BLACK
To Chassis
Ground
RED
To Battery Cable
KTA-30F-WRA
Subwoofer
Subwoofer
Level Remote
INPUT GAIN SUBSONIC
LP FILTER
BASS
EQ
RCA SPK
MIN MAX
NOM
15
40
5
+5
+12
0
(Hz) (dB)
OFF ON
80
400
50
60
120
(Hz)
INPUT
FILTER
RCA SPK
GAIN
MIN MAX
NOM
FREQ
80
400
50
60
120
(Hz)
2CH 4CH
FREQ
80
400
50
60
120
(Hz)
GAIN
MIN MAX
NOM
OFF HP LP OFF HP LP
FILTER
CH3/4
CH1/2
KTA-30M-WRA
KTA-30F-WRA SOUND SETTINGS
KTA-30M-WRA SOUND SETTINGS
SBV-10-WRA
PSS-22WRA WIRING DIAGRAM FOR AFTER MARKET HEADUNIT
L
R
L
R
L
R
Front Rear Subwoofer
Connect to Alpine Restyle
headunit low level output
RED/WHITE
RCA Adapter
WHITE/GRAY
RCA Adapter
GREEN/PURPLE
RCA Adapter
Jeep Wrangler
UNLIMITED JK • 18/19
Jeep Wrangler
UNLIMITED JK • 19/19
Troubleshooting Guide
Symptom Possible Cause Remedy
1
System will not turn on
Missing or blown fuse ar the battery Insert or replace fuse
Radio's Remote Turn
-
On wire may be
disconnected.
Verify that Remote Turn-On wire is
connected.
2
Volume is too loud with
aftermarket headunit.
Speaker level out is connected at the
T-Harness.
Ensure that the low level RCA adapters are
use in aftermarket headunit system (refer to
the corresponding wiring diagram).
Amplifiers gain control has not been
properly adjusted.
Refer to the corresponding system diagram.
4
Subwoofer sounds very
low.
Gain level may be down to the lowest
setting.
Adjust level to reccommended setting (refer
to the corresponding wiring diagram).
Audio Phase may be reversed. Ensure that the PHASE is set to 0˚.
5
One of the speakers has
no sound.
Disconnected pin or loose connection.
Check all connections to the speaker, loose
pins, disconnected terminals etc..
6
Airbag light is on
Failed to disconnect the battery while
working on the vehicle.
Disconnect the battery and re
-
connect after
5 minutes. If problem is not solved, the
vehicle will have to be taken to a Jeep
dealer.
7
System turns on only on
radio source
Aftermarket Power Antenna wire is
connected to amp
Connect the Remote Turn-On wire
(Blue/White) to the Blue wire on the
amplifier harness.
