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NVX VADM4 v2 (VADM4v2)

500W RMS Class D V-Series Micro Full-Range 4-Channel Car/Marine/Powersports Amplifier

NVX
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• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Learn more about the vadm4
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Universal – fits most vehicles.

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List price $239.99
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Current Promotions (2 offers)


This offer cannot be combined with any other coupons or offers.

NVX VADM4 v2 (VADM4v2)

30% off


Priced separately $289 98

Promo Savings of $24 00

Total price:

$265 98

Pre-installed black nylon mesh covering protects the power wire from being damaged, and pre-terminated seamless power and ground ring terminals provide reliable performance and cut out the hassle when installing. This offer cannot be combined with any other coupons or offers.

NVX VADM4 v2 (VADM4v2)

25% off


Priced separately $289 98

Promo Savings of $20 00

Total price:

$269 98

Description


NVX brand icon

Authorized dealer

MIcro Class D 4 Channel Amplifier
Variable Crossover Marine Certified 2 Ohm Stable
Mosfet Power Supply

Product Details:

  • V Series Micro Class D 2 ohm Stable 4-Channel Amplifier
  • RMS Power Rating:
    • 4 ohm: 80 watts x 4 channel
    • 2 ohm: 125 watts x 4 channel
    • Bridged: 250 watts x 2 channel @ 4 ohm
  • Total power output: 500 watts
  • LED Power/Protect Light
  • Speaker-level (high-level) inputs (Requires adapter like the Kicker KISL)
  • 4-way protection circuitry (thermal, overload, speaker short protection and DC offset)
  • Balanced differential inputs eliminate noise picked up by signal cables
  • Selectable crossover modes: FULL / HPF / LPF
  • Input sensitivity:
    • Low level and High level: 0.2 - 10 volts
  • Frequency Response: 20 - 20000 Hz
  • Total Harmonic Distortion (THD): 0.1%
  • Signal to Noise Ratio: >96 dB
  • Variable high-pass filter: 40 - 400 Hz
  • Variable low-pass filter: 40 - 400 Hz
  • 8 AWG gauge amplifier wiring kit is recommended for installation
  • Dimensions: 6.49" L x 3.3" W x 1.48" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • MFR #: VADM4v2
product manual icon NVX VADM4 v2 owner's manual

Product history:

NVX VADM4v2 thumbnail
(newest, current model)
NVX MVPA4 thumbnail
(previous model, replaced by NVX VADM4 v2 (VADM4v2))

Frequently Asked Questions (FAQ)


NVX V-Series and V-Series Micro amplifiers are similarly designed for car, marine and powersports applications. However, as the name suggests, V-Series Micro amps are powerful and compact, addressing space limits without compromising efficiency.
V-Series Micro amplifiers are already packed with huge power, but these are also built with a chassis that fits tight spaces. It’s for enthusiasts who refuses to compromise on bass just because space is tight.
Most definitely. The VADM4v2 measures 7.5" long, so it would certainly fit most fairings. This would allow you to power fairing and lid speakers from one tiny unit.
The VADM4v2 uses an optimized chassis for heat dissipation. It’s the thermal solution for confined spaces, keeping the internal circuitry cool even when tucked behind a windshield.
The VADM4v2's size and weight definitely make it better for rugged trails. A lighter amp is less likely to break its mounting tabs during violent trail jumps or heavy vibrations in a UTV.
Don't worry about it. VADM4v2 is designed with platinum-plated terminals that resist corrosion. This ensures your power connections don't pit or fail over time like cheap gold-plated ones.
Absolutely. In fact, it's safer to use a thicker wire than something lower than 8-gauge that could melt the wire in high temperatures. However, you might need a wire reducer for that. Shop Sonic Electronix's wire reducers now.
There is no correct gain setting for the VADM4v2. The power demands for each speaker and sub vary, and the gains should be used to compensate for these power demands. It’s better to use good judgment when setting the gain for your drivers.
NVX already has you covered, as VADM4v2 already has balanced-differential inputs. They reject the electrical interference from your engine or stator, ensuring your bass is pure and silent between tracks.
Yes. VADM1v2 has class D technology built in. It draws minimal current, making it perfect for small powersports batteries. However, it's best to check your battery's current capacity and how it powers your vehicle accessories.

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Specifications & Details


Key Features
Amplifier Key Features
Compact Design
Speaker Level Inputs
Weather-Resistant
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
80 watts x 4 channel
RMS Power @ 2 ohms
125 watts x 4 channel
Bridged RMS Power
250 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
160 watts x 4 channel
Peak Power @ 2 ohms
250 watts x 4 channel
Bridged Peak/Max Power
500 watts x 2 channel
Amplifier Specifications
Series
V Series
Amplifier Class
D
Number of Channels
4-Channel
Total Peak Power Output
1000 watts
Total RMS Power Output
500 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Frequency Response
20 - 20000 Hz
THD at Rated RMS Power
0.1%
Speaker Level Inputs
Optional (Requires Accessory Adapter)
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
40 - 400 Hz
Low-Pass Crossover Frequency
40 - 400 Hz
Signal-to-Noise Ratio
>96 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Strappable
No
Sonic Certified Amplifier
Yes
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
0.2 - 10 volts
High-Level Input Sensitivity
0.2 - 10 volts
What is in the box?
Paperwork
User manual
WITB: Amplifiers
Amplifier
Mounting screws (4)
High-level input wiring harness w/ molex connector
Allen wrenches (2)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

VADM4v2

Weight:

5.00lbs

Internal SKU:

vadm4

Internal Product ID:

158911

Customer Ratings & Reviews


NVX VADM4 v2 (VADM4v2) thumbnail image

5 star
80%
4 star
7%
3 star
7%
2 star
5%
1 star
0%



Durability
4.6
Value
4.8
Features
5
Design
4.9
Usability
4.9

Customer Photos & Videos


Customer Reviews

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Powerful little monster

Purchased this amp on a whim. I tried looking for more reviews before dropping the coin, but couldn't find any on other sites. After receiving the amp and installing it, all I can say is my door speakers sound WAY better than being run off of deck power. I initially had a set of Kenwood KFC-P710PS components in the front, Kenwood Excelon KFC-X174 coax's in the rear running off of a Sony MEX-XB120BT. With the speakers now being powered by the NVX-VADM4 amp they are much more detailed and louder. I didn't think that such a small amp would be able to deliver enough power to make them sound as good as they do now. If you have a vehicle with confined space or just don't want a huge amp taking up room I would definitely recommend the NVX-VADM4. It's one badass product.

By Anonymous on March 24, 2019 Checkmark Icon Verified purchase

88 found this helpful


Great little amp.

I have purchased 3 of these amps and will continue to buy them for different applications on motorcycles. In the bridged mode, they provide the perfect amount of power to 6x9 speakers in lids. They have superior sound quality in either standard setup or bridged. No worries of overheating. Two of them will sit side by side in a Harley fairing and provide ample power to any 4-6 speaker setup providing 110+ db of clear sound that can be heard at ANY speed on a motorcycle. Nvx has done their homework on this little amp.

By Anonymous on June 19, 2019 Checkmark Icon Verified purchase

83 found this helpful


Amazing

Small, powerful, and very easy to install.. just want I needed..

By Anonymous on June 26, 2019

75 found this helpful


Great Experience

This a great product. I bought this for my 2016 Roadglide. It's surprising how powerful this amp is. The sound is crisp and clear. Travis was a great help with choosing the right amp.

By Jesse on May 17, 2020

71 found this helpful


Perfect for classic cars

Loud cars need loud stereos, and this little gem gets the job done. I have this in my 1972 Duster mounted on the firewall running a pair of JBL Stadium GTO930s and a pair of Cerwin Vega H746s, and it sounds amazing. It's small enough to hide just about anywhere and packs plenty of power. I highly recomend this to anyone with classic cars who wants to keep their system hidden.

By Rob on September 1, 2020

68 found this helpful


GREAT AMP

Have ordered this amp for several Motorcycle setups. Runs cool and plenty of clean power. Also small enough to fit into the fairing.

By Anonymous on September 11, 2019 Checkmark Icon Verified purchase

68 found this helpful


Snap NVX Done It Again

Had the mvpa4 upon release. Perfect size for my bike. Finally went to upgrade speakers and everything. Upon opening the box for the amp it fell right into a puddle from my lap. Upon looking I found theyre now marine rated! Also very minimal Scratching! New power availabilty is going to power everything nicely!

By Anonymous on February 14, 2019

64 found this helpful


Awesome little amp!

Using this simply to allow running all 8 speaker locations in a 2012 4runner. Simple to set-up gets hot, but doesn't seem to be a problem.
I've got 6 nvx door speakers and a pair of pioneer 3" in the dash. 2ohm on all 4 channels still sounds great.

By CEO420 on May 12, 2020 Checkmark Icon Verified purchase

63 found this helpful


Excellent amp

The size is tiny, power is amazing i'm powering a JL W0 10 and JL components , the gain isn't even up. Nice space saver and it's just as big as my Iphone XR. It exceeds my expectations . Will buy again.

By Anonymous on August 8, 2019 Checkmark Icon Verified purchase

62 found this helpful


Decent for price

Decent amp for the price fortunately I paid way less for this amp RCA input plugs are cheap and wires pull out of plug and fray. The new waterproof amps look a lot better built if nvx would make better RCA inputs this amp would be a 5 star. amps installed on a 2015 H-D road glide..

By Ant on February 20, 2021

46 found this helpful




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• Total RMS Power: 600 watts
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• Total RMS Power: 750 watts
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• 300 watts x 2 channel @ 2 ohm
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• 150 watts x 4 channel @ 2 ohm
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