NVX VADM4 Amplifier + 5.25" NVX Speakers

400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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• 400 Watt True RMS Output!
• Marine Certified 4-Channel Micro Class D Amplifier
• 75W x 4-Chan. @ 4 ohms
• 100W x 4-Chan. @ 2 ohms
• 3-Way System Protection
• 4/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

Learn more about the vadm4_nsp525x2

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List $439.97

$259.97

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Description


NVX

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  Best Value!
 

NVX VADM4

$


Rockford Fosgate PBR300X4

$

# of Channels

4-Channel 4-Channel

Amplifier Class

Class-D Class-BR

Total Peak Power

800W 600W

Total RMS Power

400W 300W

Marine Certified

 

CEA-2006 Compliant

    
Dimensions  7.2"L x 3.4"W x 1.45"H 6.75"L x 4.25"W x 1.53"H

 

Introducing the VADM4

An Unbelievable Amount of Power for its Compact Size

Introducing the new VAD M-line of amplifiers. This new line of revolutionarily compact and surprisingly powerful amps will blow you away. This specific VADM4 amplifier has a total RMS power output of 400W all in a chassis not much larger than a dollar bill.


Big Power From A Small Body

Introducing the NVX VAD M-line - the smallest amplifiers in the VAD Series - but don't let their size fool you, this amplifier is capable of sending up to 400W of true RMS power to four speaker locations. Not half bad for an amp roughly the size of a dollar bill.



Water & Weather Resistant

The VAD M-Line includes a conformally coated, marine grade circuit board. This allows this amplifier to be installed in nearly any application. They are great for any car, motorcycle, ATV, UTV, or boat.


CEA-2006 Compliant Class-D Amplifier

Class-D amplifiers like the NVX VAD Line of amplifiers are more efficient, produce less heat, and draw less current than traditional Class AB circuitry.

3-Way Protection Circuitry

All amplifiers in this line are designed with built-in 3-way protection circuitry. This will protect your amplifier and your speakers by offering a number of different protections including thermal, overload, and speaker short protection. These protections will help ensure the longevity of the amplifier and your system as a whole.


NVX VADM4

400W RMS V-Series Full Range Class D 4-Channel Car/Marine/Powersports Amplifier
Quantity: 1

Product Details:

  • Marine Certified 4-Channel Class D Car Amplifier
  • RMS Power Handling:
    • 4 ohms: 75 watts x 4 chan.
    • 2 ohms: 100 watts x 4 chan.
    • Bridged, 4 ohms: 200 watts x 2 chan.
  • Cutting edge Micro Class D technology allows amplifier to be extremely compact
  • LED power (blue) and protect (red) indicators
  • Conformal Coated Marine grade circuit board
  • 2 or 4 channel operation
  • Balanced Differential Inputs, to eliminate noise picked up by signal cables
  • Low level RCA inputs
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Input sensitivity: 0.2V-5V
  • Selectable crossover modes: FULL / HPF / LPF
  • Variable high-pass filter (40-500 Hz)
  • Variable low-pass filter (40-500 Hz)
  • Frequency Range : 20 - 20KHz
  • Total Harmonic Distortion: <0.3%
  • CEA-2006 compliant amplifier
  • 8 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 3.4"W x 7.2"L x 1.45"H
Check out the NVX VADM4 Owner's Manual

NVX NSP525

240W Peak (160W RMS) 5.25" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters
Quantity: 2

Product Details:

  • 5-1/4" N-Series 2-way Coaxial Car Speakers
  • Power Handling:
    • Peak: 480 watts per pair / 240 watts each
    • RMS: 160 watts per pair / 80 watts each
  • Polypropylene cone material
  • Nitrile Butadiene Rubber NBR speaker surround
  • 3/4" Silk Dome Tweeters
  • CEA-2031 compliant: Yes
  • 1" Voice coil
  • Ferrite magnet motor structure
  • Top-mount Depth: 1.96"
  • Cutout Dimensions: 4.70"
  • Impedance: 4 ohms
  • Frequency Response: 87 - 20000 Hz
  • Sensitivity: 85 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Per Pair

Check out the NSP525 Owner's Manual

Product history:

NVX VADM4, NSP525X2 thumbnail
(newest, current model)
NVX MVPA4 thumbnail
(previous model, replaced by NVX VADM4 Amplifier + 5.25" NVX Speakers)

Specifications & Details


Front Speaker Specifications
Speaker Size
5-1/4"
Design
2-way Coaxial
Shallow Mount Installation
No
Tweeter Design
Dome
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Woofer Surround
Nitrile Butadiene Rubber NBR
Peak Power Handling
240 watts
RMS Power Handling
80 watts
Sensitivity
480 dB
Frequency Response
87 - 20,000 Hz
Impedance (Per Voice Coil)
4 ohms
Top-Mount Depth (Mounting Depth)
1.96"
Speaker Grilles
Optional (Accessory Required and Sold Separately)
Rear Speaker Specifications
Speaker Size (Rear)
5-1/4"
Design
2-way
Shallow Mount Installation
No
Tweeter Design
Dome
Tweeter Composition
Silk
Woofer Composition
Polypropylene
Woofer Surround
Nitrile Butadiene Rubber (NBR)
Peak Power Handling
240 watts
RMS Power Handling
80 watts
Sensitivity
85 dB
Frequency Response
87 - 20,000 Hz
Impedance (per voice coil)
4 ohms
Top Mount Depth
1.96"
Speaker Grilles
Optional (Accessory Required and Sold Separately)
Amplifier Power Specifications
RMS Power @ 4 ohms
75 watts x 4 channel
RMS Power @ 2 ohms
100 watts x 4 channel
Bridged RMS Power
200 watts x 2 channel
Peak Power Output
200 watts x 2 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
4
Total Peak Power Output
800 watts
Total RMS Power Output
400 watts
Maximum Input Gauge Size
8 AWG
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
0.3%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
40 - 500 Hz
Low-Pass Crossover Frequency
40 - 500 Hz
Signal-to-Noise Ratio
105 dB
Remote bass/level controller
Optional (Accessory required and sold separately)
Fan Cooled
No
CEA-2031 Compliant
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

VADM4, NSP525X2

Weight:

11.40lbs

Internal SKU:

vadm4_nsp525x2

Internal Product ID:

181767

Customer Ratings & Reviews



5 star
73%
4 star
16%
3 star
5%
2 star
5%
1 star
2%



Durability
4.6
Value
4.7
Features
4.9
Design
4.8
Usability
4.9

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Wife's Honda Crv

The following review is for NSP525, which is a part of the bundle you are viewing.

I ordered these speakers for her CRV was recommended by West the sales rep. Nvx NSP525 two sets they sound great. Ready to the order the 61/2 for my car. I recommended this product and the reps are nice and know.

By edwin on October 6, 2014

85

found this helpful.

Great product

The following review is for NSP525, which is a part of the bundle you are viewing.

These speakers look great and are very easy to install. Sound great too

By Jonathan on March 1, 2015

77

found this helpful.

Great Backfill

The following review is for NSP525, which is a part of the bundle you are viewing.

I purchased these to use as backfill in my NVX system and I am pleased to report that they have met my expectations to a T. They are plenty clear, and handle the power I am throwing at them very well. Like most speakers of this size and design they are limited by how much bass they can produce, but for rear fill in a system they are perfect. My kids say this is a huge improvement over the Bose speakers they replaced.

By Christopher on June 9, 2014

76

found this helpful.

Nvx speakers

The following review is for NSP525, which is a part of the bundle you are viewing.

I recommend the nvx speakers worth every penny can't go wrong

By Junior on December 2, 2013

73

found this helpful.

perfect for Harley bagger upgrades

The following review is for NSP525, which is a part of the bundle you are viewing.

I have 4 of these running off my JVC head unit and they are plenty loud for the highway plus my loud exhaust on the bike overall love them and will be using them on all my bikes from now on

By Nick on May 24, 2015

50

found this helpful.

Powerful little monster

The following review is for VADM4, which is a part of the bundle you are viewing.

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 checkmarkIcon Verified purchase

22

found this helpful.

Great little amp.

The following review is for VADM4, which is a part of the bundle you are viewing.

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 checkmarkIcon Verified purchase

24

found this helpful.

Cheap

The following review is for VADM4, which is a part of the bundle you are viewing.

I tried to return this because it was cutting in and out on the front channel. They sent it right back to me the same day they received it and said it was fine. There is a loose connection inside and the face plate moves. If the plate is in the correct position the amp works fine. But if it moves just a fraction of an inch, the front channel shuts off. I had it checked out and ended up having to make a small gasket to wedge between the face plate and the switch to keep pressure on it so the connection would stay and now that has failed.

Sonic electronics wouldn't do anything about it and it's passed return/exchange date (which they wouldn't let me do the first time anyway... I asked to exchange for a different brand)

Get a different brand from the start. I chose this one because it had some good reviews but it seems if you happen to get a lemon, you're screwed. Not worth the gamble to me in the future.

By Kyle on May 4, 2021 checkmarkIcon Verified purchase

17

found this helpful.

Amazing

The following review is for VADM4, which is a part of the bundle you are viewing.

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

By Anonymous on June 26, 2019

17

found this helpful.

Perfect for classic cars

The following review is for VADM4, which is a part of the bundle you are viewing.

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

15

found this helpful.

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