There is no correct gain setting. Because
speakers require different power demands to
reach the same output, the gains most often
need to be used to compensate for these
differences. We recommend using oscilloscope
when setting input gains on amplifiers to make
sure you have clean round sound waves. For
example, if you have 5 volts coming from source
unit, most likely amplifier gain will be set
properly with one or two clicks from the bottom.
If you have 1 volt coming into amplifier your gain
most likely will be ¾ turn.
Amplifier Owner s Manual’
Thank you for choosing NVX / NDA digital amps! Your choice of NDA digital amps indicates a desire for high
quality music reproduction in the automobile. NDA digital amps brings to you over four decades of car audio
expertise. So, whether you are a daily driving music lover, or a serious car audio competitor, RMINI digital
amps has the product for you!
To take full advantage of the NDA digital amps gear you have just purchased, please read and follow the
instructions in this manual. As with all of our products, professional installation by an authorized NDA digital
amps dealer is highly recommended! Otherwise, the performance of your new gear may not be satisfactory. In
addition to the installation services and expertise offered by an authorized NVX dealer, the warranty of this
product may be extended when installed by an authorized NVX dealer. Be sure to ask your authorized NVX
dealer about whether your product may qualify for an extended warranty. AT TIMES WE OFFER EXTENDED
You're Headed in the Right Direction with NDA digital amps!
The NVX / NDA digital amplifiers offer high quality audio reproduction for the audiophile and the everyday
listener, alike. All models feature fully variable crossovers with 12 dB per octave slopes, allowing you the
ability to tailor the sound to best fit the speakers and your listening preferences.
Platinum finish connections Ensures solid electrical connections that resist corrosion.
Fully Variable Crossovers Fully variable crossovers promote installation ease and save the cost of
outboard crossovers. Additionally, they may be used in conjunction with outboard passive or active
crossovers, depending on the complexity required by the system. The 12 dB per octave slope offers steep roll-
off above or below the selected frequency.
Protection Circuitry Against Overload, Short Circuit, Thermal, Low Voltage, High Voltage, and Reverse
Polarity. These protection features are designed to protect the amplifier from misuse, as well as from common
causes of amplifier failure.
Amplifier Owner s Manual’
Before securing the amplifier, inspect the mounting location carefully to ensure that you do not drill into or
damage any electrical, hydraulic, fluid, or fuel lines.
Because of the wide range of head unit output configurations all amps have an adjustable input NDA digital
sensitivity of "Gain". The gain is not a volume or a power limiting control like a throttle. It makes the amp more
sensitive to input from the stereo. With the gain up, the amp will reach full output at a lower volume setting on
the deck. At higher gain settings the amp also becomes more sensitive to noise from the car's electrical system.
Try to run the gain at the lowest setting possible for your system.
Professional installation by an authorized NVX dealer is highly recommended! Otherwise, the performance of
your new gear may not be satisfactory. In the event that you decide to do your own installation, please read
and follow this manual very carefully. Failure to do so may compromise the integrity of this product, your
automobile, and possibly void the product warranty.
Amplifiers are generally mounted in the hatch/trunk area of a car or SUV, and under or behind the seat of most
trucks. Select a location that will provide adequate ventilation for the amplifier. Avoid mounting the amplifier
with the fins facing down. The fins should be facing up, either vertically or horizontally. Secure the amplifier
with the screws provided.
A crossover is a device that removes unwanted
frequencies from a speaker or amplifier. A tweeter
can easily be destroyed by bass notes if they are not
filtered out. Likewise, a subwoofer will not sound
natural if it is playing midrange notes. A crossover
removes these sounds from the speaker. As you
might guess, careful adjustment is needed to ensure
that all of the speakers are playing the right sounds
and that you are left with no nulls" or low spots in
the frequency response. You will need to know what
frequency response range on your speakers to
determine crossover points.
This amplifier is a multi-channel amplifier design.
Meaning it has more than one channel of speaker
outputs. It is equipped with a large block style
terminal for speaker connection. Make this
connection carefully and neatly. Strip your wire
back and twist the exposed leads and insert them
into the block terminal while being careful that
there is no loose or frayed strands of wire and
tighten the Allen head screw down on the terminal
till the wire is tightly secured in place.
If the wires ever come in contact with each other
the amplifier will go into protection. Know your
total ohm load before you make any connections.
INSTALLATION INSTRUCTIONS
1. Before you start, disconnect the negative cable from the car battery. Tape up the end so it is isolated from the
2. Run an appropriate gauge wire from the battery to the amplifier. Plan this part of the installation carefully. This
cable will carry a very high current. If it should short to the body and it is not properly fused it could catch fire.
3. Connect the power wire to the battery using a fuse capable of the total current load of all amplifiers connected.
Don't install the fuse yet. Wait until the end. Locate the fuse as close as possible to the battery. If the fuse is
further that 18 inches (wire length) from the battery you should reevaluate the wire and fuse placement.
4. Find the closest clear metal area to the amp for a ground. Sand, grind or scrape all paint and undercoating from
the body and screw the ground securely in place. It is advisable to test the ground with an ohm meter between the
ground cable and the negative battery cable to insure a good low resistance connection. Some alloys used in
modern cars do not offer the best ground. If you believe this is the case, consult with the vehicle manufacturer.
5. Run the speaker wire to the speakers. It is advised that you leave some extra wire at this point. You can "clean it
6. If you haven't already done so, mount the amp now.
7. Connect the power and ground to the amplifier.
Only after this step should you install the fuse at the battery.
8. Connect the remote wire, from the head unit, to the amplifier. Now is a good time to turn on the amp for the first
time. Make sure it turns on properly and does not go into protection.
9. Connect the speaker wires to the amp and speakers (make sure the amp is off first). Make sure the polarity(+add-)
10. Connect the RCA'S to the amp.
11. Double check the amplifier controls at this time. Make sure everything is set correctly for your system.
12. Now you're ready to play it for the first time. It is best to leave the gain all the way down at first. Start with the
head unit volume low and work your way up,
13. Now you can tune the amp. Take your time and make only one adjustment at a time. It may take some time to get
the system fully adjusted. During this time the amp is drawing current from the battery. You should check the
battery voltage from time to time and re-charge it if it gets low.
Now you’re ready to experience music in its purest form. We are NVX… engineered for sound.
Amplifier Owner s Manual’
TOTAL HARMONIC DISTORTION
RMS POWER OUTPUT AT 4 BRIDGED Ω
EMI(FRI)REJECTION COMPLIANT
2024 NVX AUDIO // Design in Kentucky
FRONTREAR
2024 NVX AUDIO // Design in Kentucky 2024 NVX AUDIO // Design in Kentucky
Amplifier Owner s Manual’
INSTALLATION(NDA12001 & NDA15001)
2024 NVX AUDIO // Design in Kentucky
Should your amplifier require service, please consult with the dealer from
which it was purchased or contact a local JCPOWER dealer.
Do not attempt to return your amplifier directly to us. Units received
without an accompanying return authorization number will not be
processed. Additionally, you must include a copy of your purchase receipt
from an authorized dealer for consideration of in-warranty service;
otherwise repair charges will apply. Units received without a receipt will be
held for 30 days. Allowing us time to contact you and obtain a copy of the
receipt. After 30 days, all units will be returned.
Amplifier Owner s Manual’
FRONTREAR
Amplifier Owner s Manual’
NORMAL INSTALLATION(NDA6004)
2024 NVX AUDIO // Design in Kentucky
Amplifier Owner s Manual’
BRIDGE INSTALLATION(NDA6004)
FRONTREAR
2024 NVX AUDIO // Design in Kentucky
FRONT
REAR
Amplifier Owner s Manual’
BRIDGE INSTALLATION(NDA11005)
2024 NVX AUDIO // Design in Kentucky
FRONT
REAR
Amplifier Owner s Manual’
NORMAL INSTALLATION(NDA11005)
2024 NVX AUDIO // Design in Kentucky
INFINEON Drive Chipset Full Class-D Technology Offers Efficiency & Performance
Designed Specifically for Car, Powersport, Motorcycle Applications
Mini Size For Easy Installations
Surface Mount Component Technology
Audio Precision Quality Control Verification
Stable & Reliable Four Layers PCB Traces Layout
Power, Protection Led Lights Status Indicator
Short circuit, Thermal and High/Low Voltage, DC Offset Protection
Excellent Signal to Noise and FM Noise Rejection
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