Insignia NS-A1200 User Manual
User Guide | Guide de l’utilisateur | Guía del Usuario
Car Amplifier
Amplificateur de voiture | Amplificador para el auto
NS-A1200
Contents
Welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Installing your amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Using your amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Legal notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Français . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Español. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Welcome
Congratulations on your purchase of a high-quality Ins ig nia produ ct .
Your NS-A2200 represents the state of the art in car amplifier design,
and is designed for reliable and trouble-free performance.
Insignia NS-A1200
Car Amplifier
Introduction
This amplifier provides high-performance sound enhancement for
your mobile audio equipment. Its versatility provides compatibility with
additional equalizers, frequency-dividing network crossovers, and
other audio processors in a customized system. The multi-mode
bridging capabilities allow flexibility in hosting many different speaker
configurations.
Important
For optimum performance, we recommend that you read
this user guide before beginning installation.
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Safety information
• Make sure that your stereo and other audio equipment is
turned off while connecting the input jacks and speaker
terminals of your amplifier.
• The +12 volt DC power wire must be fused at the battery
positive (+) terminal connection. Before making or breaking
power connections at this system’s power terminals,
disconnect the +12V wire at the battery end.
• Because of the amplifier’s power requirements, the amplifier’s
power connection should be made directly to the battery’s
positive (+) terminal. For safety, install an in-line fuse holder
(not included) as close to the battery’s positive (+) terminal as
possible. The fuse should have an ampere rating not
exceeding the total value of the fuses in the amplifier.
• Thoroughly investigate the layout of your vehicle before drilling
or cutting any holes. Tak e extra precautions when working near
tanks, lines, hydraulic lines, and electrical wiring. Don’t mount
this system so that the wire connections are unprotected or are
subject to pinching or damage from nearby objects.
• The amplifier produces a large amount of heat, and that heat
must be dissipated correctly or the amplifier will turn off to
prevent damage. Do not enclose the amplifier in a small box or
cover it so that air cannot flow around the cooling fins. If
mounting it in a trunk, mount it vertically.
• If you need to replace the power fuse, replace it only with a
fuse identical to that supplied with the system. Using a fuse of
a different type or rating may result in damage to this system,
which isn’t covered by the warranty.
• If the Protect LED is on, carefully check the system t o
determine what has caused the protection circuit to engage.
The amplifier can be reset by turning the remote power off and
then on again. If the amplifier shut down because of thermal
overload, allow it to cool down before restarting. If the amplifier
shut down because of an input overload or short circuit, repair
these conditions before trying to turn the amplifier on again.
• Continued exposure to excessively high volume sound levels
may cause hearing loss or damage. Operation of a motor
vehicle while listening to audio equipment at high volume levels
may impair your ability to hear external sounds such as horns,
warning signals, or emergency vehicles, which could create a
traffic hazard.
Insignia NS-A1200 Car Amplifier
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Insignia NS-A1200 Car Amplifier
Features
• High-speed digital circuitry
• Fully regulated PWM power supply
• Four-way protection circuit
•1 Ω stability
• Bridging synchronization
• Variable low pass: 50 Hz ~ 150 Hz
• Variable subsonic filter: 15 Hz ~ 40 Hz
• Phase switch: 0° ~ 180°
• System distress indicator
• Mono speaker output connector
• Remote dash mount low-level gain control with cable
• Nickel-plated heavy-duty power and speaker terminals
Controls and functions
Front view
Item Description
1 PHASE
SHIFT
control
Slide this switch to either 0° or 180° to change the
phase of your subwoofer to help compensate for
timing differe nc es betw e en drivers.
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Item Description
2 BASS
BOOST
control
Adjust this control with a screwdriver to emphasize
bass notes at 35Hz~80 Hz by as much as 18 dB.
Insignia NS-A1200 Car Amplifier
3 LED
indicators
4 Low-level out
RCA jacks
5 Low-level
input RCA
jacks
PWR (Power)—This green LED turns on when the
amplifier is turned on. If it fails to turn on, check the
power connections to the amplifier and fuses.
Protect—This LED turns on when the amplifier’s
protection circuitry disab le s the am pli fie r if input
overload, short circuit, or extremely high temperature
conditions are detected. When the LED is on, it
indicates that the amplifier has gone into a
self-preservation mode.
If the Protect LED is on, ca refully c heck the syste m to
determine what has caused the protection circuit to
engage. The amplifier can be reset by turning the
remote power off and then on again. If the amplifier
shut down because of thermal overload, allow it to
cool down bef ore restarting. If the am plifie r shut do wn
because of an input overload or short circuit, repair
these conditions before trying to turn the amplifier on
again.
In a multiple-amplifier system, connect RCA cables
from these jacks to the LINE IN jacks on the
secondary amplifier. With these jacks, splitter cords
are not necessary.
Connect high-quality, shielded RCA cables to the
source devi ce and these jacks.
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Insignia NS-A1200 Car Amplifier
Item Description
6 Input LEVEL
control
7 SUBSONIC
filter control
Adjust this control with a screwdriver to change the
amplifier's input sensitivity. Input sensitivity is variable
from 200 mV to 8 V. Clockwise increases sensitivity,
and counter-clockwise decreases sensitivity. The
amplifier can be driv en to full pow er with a wid e rang e
of signal levels. A lower signal level will require
increased sensitivity for full power. A higher signal
level will require decreased sensitivity. Avoid setting
the sensitivity lower than necessary, because doing
so would introduce unwanted distortion.
Adjust this control with a screwdriver to roll off all
unwanted frequencies below 15 Hz~40 Hz. This will
allow the amplifier to use that wasted power on the
audible bandw idth.
8 LOW PASS
filter control
9 BRIDGED
MODE switch
10 Speaker
terminals
Adjust this control with a screwdriver to set the
low-pass frequency (50~150 Hz). The filter cuts off
frequencies above the set point. In general, the
selected frequen cy shoul d close ly match the reson ant
frequency of the speaker box. (The resonant
frequency is the frequen cy be lo w whic h sou nd can not
be reproduced by the speaker.)
Slide this switch to MASTER or SLAVE for a
multiple-amplifier setup.
Make sure that the negative side of the voice coil is
connected to the (-) term inal and the positive side of
the voice coil is connected to the (+) terminal.
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Rear view
Item Description
1 Remote bass
boost control
2 B+ terminal
(battery
positive +)
Insignia NS-A1200 Car Amplifier
Remote bass boost control: NS-R M
Plug this control into the REMOTE jack on the
amplifier , th en moun t the con trol in a n easy -to-acc ess
location. Adjust this control to change the bass boost
gain for the amplifier’s speaker output (0 ~ 18 dB).
Because of the amplifier’s power requirements, this
connection should be made directly to the battery’s
positive (+) terminal. For safety, install an in-line fuse
holder (not included) as close to the battery’s
positive (+) terminal as possible. The fuse should
have a n ampere rating n ot exc eeding the to tal value o f
the fuses in the amplifier.
3 Remote
power on
8
Connect your remo te antenna or amplifier lead to this
input to automatically turn on your amplifier when the
radio is turned on.
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Insignia NS-A1200 Car Amplifier
Item Description
4 B- terminal
(chassis
ground)
To avoid unwanted ignition noise caused by ground
loops, the amplifier must be grounded to a clean,
bare, metal surface of the vehicle’s chassis. The
ground wire should not be more than three feet
(one meter) long.
Installing your amplifier
Planning your system
Before beginning the installation, consider the following:
• If you plan to expand your system by adding other components
sometime in the future, make sure that adequate space is
provided and that cooling requirements are met.
• Consider whether you should use high or low inputs. Your
amplifier has been designed to accept a low-level (pre-amp
output from your stereo) signal source. If your source device is
equipped with pre-amp outputs, you can use them to drive the
amplifier, so you can connect the amplifier to the two rear
speakers. Then you can use the built-in power of your source
device to drive the two front speakers.
Note
Distortion level is considerably lower from pre-amp (low
level) outputs.
• Make sure that your components are adequately matched. The
peak power rating of your speakers must be equal to or greater
than the amplifier’s. They also must be 1-8 Ω impedance. You
can find the speaker’s impedance rating by looking on the
speaker magnet.
and
• Consider the length of your leads (wires)
determining the amplifier’s mounting location. Pre-amp input
jacks require a length of high-quality, shielded, male-to-male
RCA patch cable.
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the routing when
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Mounting your amplifier
The mounting position of your amplifier will have a great effect on its
ability to dissipate the heat generated during normal operation. It has
an ample heat sink for heat dissipation, and is also designed with a
thermal shut-down circuit (for heat protection). Directing air flow over
the cooling fins will dramatically improve heat dissipation. Do not
enclose the amplifier in a small box or cover it so that air cannot flow
around the cooling fins.
Temperatures in car trunks have been measured as high as 175°F
(80°C) in the summer. Since the thermal shut-down point for the
amplifier is 185°F (85°C), it must be mounted in a location that allows
for maximum cooling capability. For maximum convective air flow in
an enclosed trunk, mount the amplifier in a vertical position or on a
vertical surface.
Cooling requirements are considerably relaxed when mounting inside
the passenger compartment, since the driver does not often allow
internal temperatures to reach the thermal shut-down point. Floor
mounting under the seat is usually sufficient, as long as there is at
least 1 inch (about 2 cm) above the amplifier’s cooling fins for
ventilation.
To mount the amplifier:
1 Select a suitable location that is convenient for mounting, is
accessible for wiring, and has adequate room for air circulation
and cooling.
2 Use the amplifier as a template to mark the mounting holes.
3 Drill the four mounting holes.
Insignia NS-A1200 Car Amplifier
Caution
Use extreme caution while preparing to drill holes. Carefully
inspect underneath the surface before drilling.
4 Secure the amplifier using the screws provided.
Connecting the power
Caution
Disconnect the vehicle’s battery before connecting to the
+12 Volts supply wiring.
We recommend 4 gauge (SL-2000D/2600D/3400D) wire (thicker if
planning for additional amplifiers) for both the power and the ground
wires. We recommend 12 gauge for the remote turn-on wire. Both
types are available at most mobile audio dealers or installation shops.
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Insignia NS-A1200 Car Amplifier
To connect the power:
1 Connect the ground wire to the vehicle’s chassis. To avoid ignition
noise caused by ground loops, the amplifier must be grounded to
a clean, bare, metal surface of the vehicle’s chassis.
Note
Ground wire should not be more than three feet
(one meter) long.
2 Connect the +12 volt (fused) constant power cable to the battery’s
positive (+) terminal.
Because of the amplifier’s power requirements, this connection
should be made directly to the battery’s positive (+) terminal. For
safety, install an in-line fuse holder (not included) as close to the
battery’s positive (+) terminal as possible. The fuse should have
an ampere rating that does not exceed the total value of fuses in
the amplif ier.
3 Connect the remote turn-on input to the power antenna output of
your car stereo. This amplifier is turned on whenever the vehicle’s
stereo is turned on.
Note
If your radio does not have a +12 volt output lead when the
radio is turned on, the REM terminal on the amplifier can be
connected to the vehicle’s accessory circuit that is live when
the ignition key is on.
Warning
Thoroughly investigate the layout of your vehicle before
drilling or cutting any holes. Take extra precautions when
working near tanks, lines, hydraulic lines, and electrical
wiring. Don’t mount this system so that the wire connections
are unprotected or are subject to pinching or damage from
nearby objects.
The +12 volt DC power wire must be fused at the battery
positive (+) terminal connection. Before making or breaking
power connections at this system’s power terminals,
disconnect the +12V wire at the battery end.
Make sure that your stereo and other audio equipment is
turned off while connecting the input jacks and speaker
terminals of your amplifier.
If you need to replace the power fuse, replace it only with a
fuse identical to that supplied with the system. Using a fuse
of a different type or rating may result in damage to this
system, which isn’t covered by the warranty.
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Connecting the speakers
Single-amplifier system
Front view
Insignia NS-A1200 Car Amplifier
To inputs of satellite
amplifier system
Rear view
In-line fuse holder
Battery
From outputs of
source device
Distribution
block
Woofer
Ground
To remote turn-on
from source device
Capacitor
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Insignia NS-A1200 Car Amplifier
Bridging two amplifiers
Master amp
Bridged swit ch:
Master position
Slave amp
Bridged swit ch:
Using your amplifier
Turning on the amplifier
The amplifier automatically turns on a few seconds after you turn your
vehicle’s ignition switch to ACC or ON or turn on your sound system,
depending upon how you wired the system. The POWER indicator on
the top of the amplifier turns on when the amplifier is on.
Slave position
Speaker
impedence:
Ω
2
Note
Your amplifier requires 90 amps or more of power from your
vehicle’s battery during operation. To protect your battery
from discharging to the point that you cannot start your
vehicle, do not operate the amplifier unless your vehicle is
running.
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Adjusting the audio level by ear
For best performance, you must match the amplifier’s input sensitivity
to your source’s maximum output level (also called “gain matching”).
The LEVEL (gain) control located on the side of the amplifier is
designed to do this. It is not a volume control. It adjusts the incoming
signal level so that the source device and the amplifier reach
maximum output at the same time. This ensures that maximum
system volume is achieved with minimal distortion.
Warning
High-powered audio systems in a vehicle are capable of
generating “live concert” levels of sound pressure.
Continued exposure to excessively high volume sound
levels may cause hearing loss or damage. Operation of a
motor vehicle while listening to audio equipment at high
volume levels may impair your ability to hear external
sounds such as horns, warning signals, or emergency
vehicles, which could create a traffic hazard.
To adjust the audio level:
1 Turn the LEVEL (gain) control fully counterclockwise to MIN.
2 Play full-frequency music that has continuously high levels
(FM pop music is a good choice).
3 Turn up the source device’s volume control until just before you
hear the source device’s distortion, or at 90% of full output
(whichever comes first).
4 Slowly turn the LEVEL (gain) control clockwise until just before
you hear amplifier or speaker distortion, or until you reach a
maximum comfortable listening level (whichever comes first).
5 Turn the source device’s volume control back down to a
comfortable listening level.
Insignia NS-A1200 Car Amplifier
Adjusting bass boost
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+18 dB
@45 Hz
Insignia NS-A1200 Car Amplifier
The BASS BOOST control raises the amplifier output up to 18 dB at
frequencies tightly centered around 45 Hz. This “bump” can have a
dramatic effect on the bass system’s apparent volume. Use caution
when adjusting this control, as subwoofer damage may result if the
subwoofer begins to distort. When you exceed the subwoofer’s
capabilities, the distortion will be obvious.
To adjust bass boost:
1 Rotate the BASS BOOST control counter-clockwise until it points
at 0. Use a screwdriver to adjust the BASS BOOST co ntr o l on t h e
amplifier, or adjust the remote BASS BOOST control by hand.
Caution
Adjusting the bass boost should be done with caution, so
that the woofer cone throw’s maximum excursion is not
reached. Adjust to the woofer’s best performance level (best
bass performance where no distortion is present), then
reduce the bass boost slightly.
2 Play some music, and adjust the source device’s volume and the
amplifier’s LEVEL (gain) control to a comfortable listening level.
3 Slowly rotate the BASS BOOST control clockwise until it sounds
the way you want.
Troubleshooting
Symptom Cause Solution
No sound. If the PWR LED is off,
Amplifier is not turning
on.
fuses may be blown,
remote lead may be
disconnected, source
leads may be
disconnected, gain
control may be set t oo
high or low, or source
device’s volume may be
set too low.
If the Protect LED is on,
there may be a speaker
short circuit, or the
amplifier ma y have
overheated.
No power is available to
the amplifier.
No power to remote wire
with the source device
on.
Check fuses in amplifier
and on power lea d. Mak e
sure the remote lead is
connected. Chec k source
signal leads. Check gain
control. Check the source
device’s volume level.
Check for speaker short
circuits. Make sure the
amplifier is not
overheating.
Check the power wire or
connections.
Check connections to the
source device. Check
fuses and replace if
necessary.
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Insignia NS-A1200 Car Amplifier
Symptom Cause Solution
No sound in one channel. Speaker short circuits,
Amplifier turns off at
medium or high volumes.
Protect LED is on. Overheated amplifier. Turn source device’s
disconnected speaker
cables.
Mismatch with speaker
load impedance.
Speaker cable short
circuit.
Check speaker leads for
short circuits or
disconnected cables.
Reverse the LEFT and
RIGHT RCA inputs to
determine if the loss is
occurring before the
amplifier.
Check speaker load
impedance. Make sure
that you have followed
correct speaker load
impedance
recommendations . (If you
used an ohm meter to
check speaker
resistance, remember
that DC resistance and
AC impedance may not
be the same.)
volume down. Relocate
the amplifier to a better
ventilated place.
Separate all speaker
wires, and make sure
they are insulated.
Specifications
4 Ω 150W × 1 channel, @1% THD
Ω 225W × 1 channel, @1% THD
2
1
Ω 400W × 1 channel, @1% THD
Signal-to-noise ratio 100 dB
Frequency response 15 Hz ~ 150 Hz
Variable low pass 50 Hz ~ 150 Hz
Va riable subsonic 15 Hz ~ 40 Hz
Variable bass boost 0 ~ +18 dB
Phase control 0° ~ 180°
Input sensitivity 200 mV to 8 V
Input impedance 10K
Line output
impedance
16
Ω
100 Ω
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Insignia NS-A1200 Car Amplifier
Dimensions 10.31 × 2.75 × 9.84 inches
Fuse rating 25A (2)
Legal notices
FCC Part 15
This device complies with Par t 15 of the FCC Rules. Operation of this product is
subject to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC warning
Changes or modifications not expressly approved by the party responsible for
compliance with the FCC Rules could void the user’s authority to operate this
equipment.
RSS 310 statement
To reduce potential radio interference to other users, the antenna type and its gain
should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not
more than that permitted for successful communication.
Copyright
© 2007 Insignia. Insignia and the Insignia logo are trademarks of Best Buy Enterprise
Services, Inc. Other brands and product names are trademarks or registered
trademarks of their respective holders. Specifications and features are subject to
change without notice or obligation.
For service and support call (877) 467-4289.
(261.9 × 69.9 × 249.9 mm)
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Insignia NS-A1200 Car Amplifier
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Insignia NS-A1200 Car Amplifier
Warranty
90-day limited warranty
Insignia Products (“Insignia”) warrants to you, the original purchaser of this new
NS-A1200 (“Product”), that the Product shall be free of defects in the original
manufacture of the material or workmanship for a period of 90 days from the date of
your purchase of the Product (“Warranty Period”). This Product must be purchased
from an authorized dealer of Insignia brand products and packaged with this warranty
statement. This warranty does not cover refurbished Product. If you notify Insignia
during the Warranty Period of a defect covered by this warranty that requires service,
terms of this warranty apply.
How long does the coverage last?
The Warranty Period lasts for 90 days from the date you purchased the Product. The
purchase date is printed on the receipt you received with the Product.
What does this warranty cover?
During the Warranty Period, if the original manuf act ure of the material or workmanship
of the Product is determined to be defective by an authorized Insignia repair center or
store personnel, Insignia will (at its sole option): (1) repair the Product with new or
rebuilt parts; or (2) replace the Product at no charge with new or rebuilt comparable
products or parts. Products and parts replaced under this warranty become the
property of Insignia and are not returned to you. If service of Products or parts are
required after the Warranty Period expires, you must pay all labor and parts charges.
This warranty lasts as long as you own your Insignia Product during the Warranty
Period. Warranty coverage terminates if you sell or otherwise transfer the Product.
How to obtain warranty service?
If you purchased the Product at a retail store location, take y our original receipt and the
Product to the store you purchased it from. Make sure that you place the Product in its
original packaging or packaging that provides the same amount of protection as the
original packaging. If you purchased the Product from an online web site, mail your
original receipt and the Product to the address listed on the web site. Make sure that
you put the Product in its original packaging or packaging that provides the same
amount of protection as the original packaging.
Where is the warranty valid?
This warranty is valid only to the original purchaser of the product in the United States
and Canada.
What does the warranty not cover?
This warranty does not cover:
• Customer instruction
• Installation
• Set up adjustments
• Cosmetic damage
• Damage due to acts of God, such as lightning strikes
• Accident
•Misuse
•Abuse
• Negligence
• Commercial use
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