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Jensen A222HLX User Manual

Jensen A222HLX
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Parts
and
Tools
Supplied
parts
and
fasteners:
A222HLX Amplifier
High !evel input harness
Other
tools
and
supplies
needed:
A Phillips screwdriver
A pocket knife or
scrarer
to
make
a dea.!!
connection
for
the
ground wire
A drill
and
a
liS'
drill bil
Power, ground. speaker and sensing wire
Solde., a soldering
gun
and win: nuts
or
cleclri-
<:altape
or
a set
or
crimp-on electrical tenninals
for <:onnccling high \evel inputs_
instaliat;on
Alternatives
See
r~ge
(,
{Of
de[3jled
wiring
instructions
A2:22HLX
&lIed
L.PF
crOsseV6f
10:
SUbwoolers
IDndged).
!nstallation
Instrfuct~ons
important:
A222HLX
Amplifier
For
low level input connection you will need a
pair
of
shielded
Mert:O
audio
cables with
RCA
type jacks.
Tht;':
length
or
the
cabl<:
and configu-
ration
of
jacks
depends on your particular
installation. I r
mountt;':d
undt;':f
tilt;':
dash near lhe
radio,
you will
nt;':t;':d
a pair
of
shieldt:d audio
cables. Keep
tht;':se
cables as short as possible
to
minimize the chance
of
picking
up
interference.
When mounting. the amplifier in
the
trunk. route
power and input cables on opposite sides
of
lhe
vehicle.
Select
HPF
crossover
10
block.
low
frequencies
IOf
improved
speaker
life
and
belter'sound
The
fin!
ins(ali:l1J<Hl
step
is
HI
disCOfl,,,"CI
tb{"
ne!,!"liyt;" lermir131
"f
,lit'
car
bllttery.
Fur
your
s"r':ly"
d.)
not
bypa.~~
this
5(~r.
~,,,,k~
S<l~t
n"gatj~·e
b"ltny
term;Il>!!
is
oiSC(J'1!i<:dl"d
before ffi:Jking
"ny
wirin:.!
c():1nedi0r.s.
Ev<::ry
jn~ta!Jatioo
will tx: a
\<i~
dif(.:r;::m na,<:d
upon
vehidl" desigfl
<lnd
whether
the
A222HLX
i$
a flew
c)r
replacement
unit. For
kst
~SUllS.
read through all
inslruclion
s!Cr~.
tx:forc
Slaning.
Check
all IOCnliiJ[l, Jot!
placem<::nL<;
ca~fully
bcfor~
making
~ny
cuts
or
conn<:elions_
Dis<:onnect
neg~I;~<'
temljn~!
ofbaUt;':ry.
2
Del<,nnin~
bCalion
for amplific:r.
dt:.:k
lit and sp",:ing for wiring connc<:tions.
Drill holes for
mcu[][jng
the A222HLX
(if
m:cess<iryl_
4
Connect
Wif<:~
10
'chick
<is
Shi)Wn
in
\\'iring
Connectiuns
on
rage
6_
5. Rc.conn<::cl the n<'g;lIivc
O~Il<;:ry
t<;:rminal.
6.
Adjust
input
sensili\'i~)"
control
Note:
For
bc~l
n~~!Jlb.
adju~!
sensitivity
to
th~
lowest
lcvds
po~siok.
Adjust for best o<:si!t'd
ha!;-\n.:r::
!:><;lwccn
i"r<)nt
and
r\.~ar
sp'~akers.
lnstallaucn
is
ccmr:~IC
5
Question and Answer IconNeed help?

Do you have a question about the Jensen A222HLX and is the answer not in the manual?

Jensen A222HLX Specifications

Power IconPower
peak power output250 Watts
power requirement14.4 VDC
fuse requirements25 amp blade-type fuse
Audio Specifications IconAudio Specifications
frequency response10 Hz-30kHz ±3 dB
signal to noise ratio>80 dB
channel separation>65 dB, 1 kHz
Impedance IconImpedance
speaker impedance2-8 ohms
input impedance low level10 k ohms
input impedance high level27 ohms
Dimensions IconDimensions
width9.25"
height5"
depth7.6"

Summary

General Information

Audio Amplifiers

Explains the benefits of using the A222HLX amplifier for improved sound quality and loudness.

Installation and Location Requirements

Details suitable mounting locations for the amplifier and the importance of proper ventilation.

Selecting Speakers

Guides on choosing compatible speakers to maximize performance with the A222HLX.

Inputs

Input Sensitivity Control

Adjusts the amplifier's sensitivity to match the audio source's output level for optimal signal.

Crossover

Allows for crossover frequency adjustment to tailor audio output for different speaker types or systems.

Speaker Terminals

Connects the amplifier's output channels to the vehicle's speakers.

Low Level Input RCA Connectors

Connects the amplifier to the source unit using RCA cables for superior audio input.

High Level Input Harness

Provides an alternative input method using speaker-level outputs from the source unit.

Outputs and Power

Ground Terminal (GND)

Essential connection to the vehicle's chassis for a safe and effective ground.

Power Terminal (+12 V)

Direct connection to the vehicle's battery for a stable power supply.

Power Light

An indicator light showing that the amplifier is receiving power.

Remote Sensing Terminal (RMT)

Enables automatic turn-on/off of the amplifier with the car stereo.

Fuse

Specifies the required fuse type and rating for unit protection.

Parts and Tools

Supplied Parts and Fasteners

Lists all components and hardware included in the amplifier's packaging.

Other Tools and Supplies Needed

Details the necessary tools and materials required for a successful installation.

Installation Alternatives

Select LPF Crossover for Subwoofers (Bridged)

Guides on setting the Low Pass Filter for subwoofer integration, especially in bridged mode.

Select HPF Crossover for Improved Speaker Life

Explains using the High Pass Filter to protect speakers and enhance sound quality.

Select FLAT Crossover

Configuration option for bypassing the internal crossover filtering.

Installation Instructions

Wiring Instructions

Inputs

Explains how to connect either high-level or low-level audio inputs, but not both simultaneously.

Radio Connections

Illustrates how to connect the amplifier's input signals and power to the car's radio system.

Signal Ground

Details the proper grounding for high-level input connections to prevent noise.

Speaker Output Connections

Shows how to connect the amplifier's speaker outputs to the left, right, and subwoofer.

Low Pass Filter for Subwoofer

Emphasizes the critical need for a low pass filter when connecting subwoofers to prevent damage.

Ground Connection

Reinforces the importance of a secure chassis ground connection for amplifier operation.

Sensing Wire Connection

Explains connecting the sensing wire to the power antenna lead or switched ignition source.

+12V Power Connection

Details the direct connection to the vehicle's battery with proper gauge wire.

Troubleshooting

Amplifier Not Operating

Addresses issues where the power LED is not illuminated when the system is on.

Low Radio Volume Performance

Solutions for when the radio volume needs to be excessively high for the amplifier to function.

High Radio Volume Sensitivity

Guidance for when the radio volume is too sensitive or loud.

Single Speaker Output

Troubleshooting steps for audio only coming from one speaker.

Sound Distortion Issues

Explains how to resolve distorted audio output from the amplifier.

Fuse Blowing Problems

Common causes and fixes for the amplifier repeatedly blowing fuses.

Alternator Whine Noise

Techniques to eliminate or reduce ignition noise or whine in audio outputs.

Speaker Popping on Power Cycle

How to fix loud popping sounds when turning the amplifier on or off.

Amplifier Shutdown

Addresses situations where the amplifier shuts down, often due to heat or protection.

Low/No Output in Bridged Mode

Troubleshooting for insufficient or no audio output when using bridged configuration.

No Amplified Channel Output

General steps for diagnosing and resolving a complete lack of audio output.

Unidentified Problem

Advice on contacting technical assistance for unresolved troubleshooting issues.

Specifications

Amplifier Technical Specifications

Detailed technical data including power output, frequency response, and impedance.

Limited Warranty

Warranty Duration and Coverage

Outlines the warranty period, what is covered, and who is protected.

Obtaining Warranty Service

Instructions on how to get the product serviced under warranty.

Warranty Limitations

Details exclusions, limitations on implied warranties, and consequential damages.

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