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VADM4 500RMS V-Series
Introducing the V Series Class D 2 ohms Stable 4-Channel Amplifier, a pinnacle of compact yet potent audio engineering. This amplifier redefines versatility with its ability to deliver 500 watts of total RMS power output. It operates at 80 watts x 4 channels at 4 ohms and 125 watts x 4 channels at 2 ohms, ensuring robust performance across various speaker configurations. Engineered for durability and reliability, it features advanced 4-way protection circuitry against thermal, overload, speaker short, and DC offset issues, safeguarding both the amplifier and connected audio components.
The VADM4 amplifier features balanced differential inputs for noise-free audio, selectable crossover modes (FULL / HPF / LPF), and 40-400 Hz adjustable filters. With <0.1% THD and >96 dB SNR, it ensures clear, high-fidelity sound. Compact at 6.49" L x 3.3" W x 1.48" H, it supports low-level and high-level inputs (adapter required), offering versatile installation for enhanced vehicle audio.
The VADM4 amplifier integrates seamlessly into vehicle audio with 500W RMS power. Its compact size allows discreet installation, complemented by 4-way protection. Features include balanced inputs, selectable crossovers, and 40-400 Hz filters for pristine sound quality. It supports both low-level and high-level inputs (adapter required), ideal for upgrading any vehicle audio setup.
General Features
- Marine Certified 4-Channel Class D Car Amplifier
- Power: 500 watts total output, 80W x 4 @ 4 ohms, 125W x 4 @ 2 ohms.
- Micro Class D technology for small size.
- 4-way circuitry protects against thermal, overload, shorts, and DC offset.
- Supports both low-level and high-level inputs (adapter required).
- Balanced differential inputs minimize signal cable noise.
- Crossovers: Selectable FULL / HPF / LPF modes, 40 - 400 Hz filters.
- Low THD (<0.1%), high SNR (>96 dB). You
GovtCheese
2025-09-03 10:19:34
It's been a week since I installed the NVX VDA 11005, and I have found myself wanting to sneak away to my car for a listening session just to appreciate and absorb the improved sound fidelity over my previous amp.The NVX replaced a failing Pioneer 5 channel amp that had slowly been reduced to two channels over the past 5 years. It's the second popular name brand amp that has failed me in the last ten years, so I decided to try this amp and see what happens. I obviously cannot speak to longevity yet, but the improved sound quality...man...it's noticeable.Installation was a breeze as I already had everything in place. It has a slightly smaller footprint than the Pioneer which is nice. Wiring was straight forward and easy. The only catch is that the power and ground inputs have a little trouble accepting my 4 gauge wire which was a bit surprising. It's not as clean as I would like, and I'll probably revisit it soon.Tuning was surprisingly quick relative to my previous amps. I was able to get the sound right in the pocket without much fiddling with gain and filters. The subsonic filter may have something to do with the quality of sound. Neither of my previous amps had this feature and I suspect that my 12" subwoofer was having to work harder than it should have, trying to produce sound that it isn't capable of handling. The result is a cleaner, warmer, and thumpier base that is less directional and more consuming. It's less a shower and more a bath of sound now.I have 6.5" components up front, coax in the rear deck and of course the 12" sub in the trunk. There's plenty of power to each channel, and really, the stock satellite speaker wiring is probably limiting me at this point. The sub is a 4 ohm DVC wired in parallel to run at 2 ohm which the 5th channel gladly supports. The remote bass boost knob let's me push the sub as hard as I want to but I don't care to know the limit or come close to it. It's plenty of power for my liking. Btw, I would recommend using a capacitor to ease the power draw on your battery.Overall this is a fantastic amp for the money and is a huge win for NVX, which is a Sonic Electronics in house brand from what I understand.Nice.
Chris Warnick
2025-07-31 14:50:43
I only started using NVX products in the last year, but let me tell you, their amps are absolutely the best value for your money. I own the NVX VAD1700.1, VAD1100.5, and the VAD1000.4 and they have all performed beyond expectation. The sound quality is amazing and the power is a true rated RMS. Several of the NVX amps have been dyno tested on Youtube if you need proof of their ratings claims. The amp does get warm, but that has not translated into any complications or issues for me as I can run my system at 3/4 volume for an extended time and the amp has never shut off or gone into protect, which is true of all of the NVX amps I own. I would recommend mounting it with spacers, like 1/4 inch thick rubber feet pads to create some extra air flow space under the amp, but that's a personal preference thing for me as I have always done that. These amps are also very compact for the amount of RMS power they put out and can easily be installed in locations such as under a seat or behind a trim panel with no modification.The other thing to know about these NVX amps is that they utilize a SUM OUTPUT. This means that you must have the left AND the right RCA going into the sub woofer channel RCA inputs of the amp from the head unit. If your head unit only has one sub RCA pre-out or if you are splitting the left rear channel RCA for your sub, you will want to make sure that you connect a "Y" adapter at the end going into the amp. If you fail to do this, you will only get half the volume or less from the amp. I have found this to be true for all NVX mono and five channel amps.You can't buy a better quality true RMS amp than these NVX VAD models for your money. If you're on the fence, get off of it and pull the trigger. You won't be disappointed.
John L.
2025-07-28 20:56:05
Got this to replace my Harleyรขโฌโขs Rockford Fosgate PBR300 that had burned out the rear channel. This little amp is pretty powerful itรขโฌโขs pushing 2-6X9s and 2-6.5s I installed 2 new CT Sounds 6X9s that also sound great. The Rockford 6.5s canรขโฌโขt handle it unless the Gain is turned way down. The 6X9s are running about 3/4 gain so I ordered new CT Sounds 6.5s Iรขโฌโขm positive that Iรขโฌโขm going to really like them.
Erik
2025-02-16 14:04:15
Gran calidad de sonido y potencia, lo instale con dos bocinas marinas de 8" Vega y funciona excelente
derek stapleton
2024-12-23 13:38:00
4 door speakers ( kicker components and kicker coaxial)
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