Jump to content
 
 

Sign in to follow this  
omnibus

Anyone here ever used the NVX MVPA4 Micro amp? Any good?

Recommended Posts

Seem like everyone coming out with small amps now. Only experience i have w/ amps that size is the RF PBR300x4. Birthsheet was 84 watts rms. Installed it in my brothers single cab Ranger running 4 P6x8's and it sounded and performed really well. Still no issues 3+ years later. I think i picked it up for $168 off amazon.


SINGER 200 amp HO ALT

Big 5 0 AWG-RF Wiring

Optima Blue top-under hood

Kenetic HC 600 under hood

2 Kenetic HC1800 in trunk

Stinger VM

DEH-80PRS HU

RF P3 8" mid-bass in custom kick Panels

RF T265 comps x2 in custom door panels

RF T165 comps in Rear Doors

2 SQ HDS310snin a JOE X designed box

RF T400-4 ( x 2 )

RF T400-2

RF Power T1500bdcp.

All RF & SHCA OFC  0,4,8,12 wiring.

Fuse's from SMD & RF.

Share this post


Link to post
Share on other sites
29 minutes ago, Cboeger2 said:

New amps are ridiculous. I was running a way old RF punch p4004 amp. Now I’m running an rf prime r4004 and it does twice the power and is 1/3 the size literally! 

I know... I went all RF power series for there small foot print and high output. Shits just going to get smaller and smaller.


SINGER 200 amp HO ALT

Big 5 0 AWG-RF Wiring

Optima Blue top-under hood

Kenetic HC 600 under hood

2 Kenetic HC1800 in trunk

Stinger VM

DEH-80PRS HU

RF P3 8" mid-bass in custom kick Panels

RF T265 comps x2 in custom door panels

RF T165 comps in Rear Doors

2 SQ HDS310snin a JOE X designed box

RF T400-4 ( x 2 )

RF T400-2

RF Power T1500bdcp.

All RF & SHCA OFC  0,4,8,12 wiring.

Fuse's from SMD & RF.

Share this post


Link to post
Share on other sites

Well the NVX micro amps are kind of shockingly small and I think they came out back in 2015. Sonicelectronics verified on the SMD Dyno that the certified result is 141 watts p/ch at 14.5 volts on 2 ohm load and the size is like 5"x4"x1". Then their mono block of the same size does 476W @ 14.74v on 2ohms....that's a lot of power for something so tiny. I mean it's smaller than nearly all the other amps which is why I was concerned for how it'll sound. Plus I've never heard of NVX

I'd like to understand how this is possible to shrink a class d power supply. Even most mono amps made today that put out only 400 watts @ 2 ohm or less are a lot larger than this so I am curious of the magic involved. Considering this amp has been on the market for a while, I haven't been able to find a whole lot on it in regards to sound quality

But look at these guts!...There has to be some compromises made right? All I see is a transformer and some caps...wheres the clean sounding 476 watts?  

maxresdefault.jpg

Edited by omnibus

Share this post


Link to post
Share on other sites

If it was on a dyno they test it at the distortion all amps are tested to. Its how your set the gains that matter.


SINGER 200 amp HO ALT

Big 5 0 AWG-RF Wiring

Optima Blue top-under hood

Kenetic HC 600 under hood

2 Kenetic HC1800 in trunk

Stinger VM

DEH-80PRS HU

RF P3 8" mid-bass in custom kick Panels

RF T265 comps x2 in custom door panels

RF T165 comps in Rear Doors

2 SQ HDS310snin a JOE X designed box

RF T400-4 ( x 2 )

RF T400-2

RF Power T1500bdcp.

All RF & SHCA OFC  0,4,8,12 wiring.

Fuse's from SMD & RF.

Share this post


Link to post
Share on other sites
16 hours ago, omnibus said:

Well the NVX micro amps are kind of shockingly small and I think they came out back in 2015. Sonicelectronics verified on the SMD Dyno that the certified result is 141 watts p/ch at 14.5 volts on 2 ohm load and the size is like 5"x4"x1". Then their mono block of the same size does 476W @ 14.74v on 2ohms....that's a lot of power for something so tiny. I mean it's smaller than nearly all the other amps which is why I was concerned for how it'll sound. Plus I've never heard of NVX

I'd like to understand how this is possible to shrink a class d power supply. Even most mono amps made today that put out only 400 watts @ 2 ohm or less are a lot larger than this so I am curious of the magic involved. Considering this amp has been on the market for a while, I haven't been able to find a whole lot on it in regards to sound quality

But look at these guts!...There has to be some compromises made right? All I see is a transformer and some caps...wheres the clean sounding 476 watts?  

maxresdefault.jpg

High voltage transformers (center, near the terminals) and 35V rail caps (implying a relatively high voltage to the output of the speakers). 

Not sure where this nvx is made, but high voltage guts is one of many things the brazilians are doing to increase power in a small footprint. 


Chevy Sonic Wall (4) 15's on 10k Build Log

https://www.stevemeadedesigns.com/board/topic/209412-2015-chevy-sonicwall4-15s10klithiumlarge-case-hairpin-us-alts/

(4) Fi SP4 15's | (2) Ampere 5Ks | Active! | Arc KS600.2 & KS125.2mini | CDT Silk Domes | Silver Flute 8s | 240Ah JY | US Alts

Jeep Wrangler JK (4) 8's in a 4th Order Build Log

https://www.stevemeadedesigns.com/board/topic/209841-shadow-2016-jeep-wrangler-jk4th-order4-8sdc-35klarge-case-hairpin-us-alts/

IG @walledsonic

Share this post


Link to post
Share on other sites

I've been looking into these mini amps too. 

NVX was on my list but I haven't heard any real feedback on them so I literally just pulled the trigger on one of the Skar mini amps. The skar was about $50 cheaper, if it does 75x4 @ 4ohms(rated at 100x4 @ 4 ohms at 14.4) I will be satisfied with that lol. I don't think I could've found a better deal either, this skar was $128 brand new. Seems almost too good to be true, lol I hope not as Skar seems to be pretty decent from what I've read. 


2007 Impala LT

Pioneer AVH-X4500BT

2 Pairs of 6.5 Eminence Eminators

Cadence ZRS30T Tweeters

Diamond Audio S6.0x Crossovers

MB Quart RAA2400 On the mids and highs

15' Ascendant Audio Havoc D1

Concept HP-2000 Pushing the Sub

Duralast AGM from AutoZone (Rebadged Deka) in front.

Share this post


Link to post
Share on other sites
21 minutes ago, Rockbrook said:

I've been looking into these mini amps too. 

NVX was on my list but I haven't heard any real feedback on them so I literally just pulled the trigger on one of the Skar mini amps. The skar was about $50 cheaper, if it does 75x4 @ 4ohms(rated at 100x4 @ 4 ohms at 14.4) I will be satisfied with that lol. I don't think I could've found a better deal either, this skar was $128 brand new. Seems almost too good to be true, lol I hope not as Skar seems to be pretty decent from what I've read. 

post a review after installed.


SINGER 200 amp HO ALT

Big 5 0 AWG-RF Wiring

Optima Blue top-under hood

Kenetic HC 600 under hood

2 Kenetic HC1800 in trunk

Stinger VM

DEH-80PRS HU

RF P3 8" mid-bass in custom kick Panels

RF T265 comps x2 in custom door panels

RF T165 comps in Rear Doors

2 SQ HDS310snin a JOE X designed box

RF T400-4 ( x 2 )

RF T400-2

RF Power T1500bdcp.

All RF & SHCA OFC  0,4,8,12 wiring.

Fuse's from SMD & RF.

Share this post


Link to post
Share on other sites

Guts of the Skar amp look better than the NVX IMO. $119.00 on amazon

Edited by bcbrassard

SINGER 200 amp HO ALT

Big 5 0 AWG-RF Wiring

Optima Blue top-under hood

Kenetic HC 600 under hood

2 Kenetic HC1800 in trunk

Stinger VM

DEH-80PRS HU

RF P3 8" mid-bass in custom kick Panels

RF T265 comps x2 in custom door panels

RF T165 comps in Rear Doors

2 SQ HDS310snin a JOE X designed box

RF T400-4 ( x 2 )

RF T400-2

RF Power T1500bdcp.

All RF & SHCA OFC  0,4,8,12 wiring.

Fuse's from SMD & RF.

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this  

×
×
  • Create New...