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 Nexus by reFX is a Virtual Instrument Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin, an RTAS Plugin and an AAX Plugin.
Product Nexus
Developer reFX
Price (MSRP)
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
- Released
- Released
Miscellaneous Information
Copy ProtectionDongle (USB-eLicenser)

Nexus is a next generation ROM synthesizer.

Nexus delivers complex, ultra-fat, contemporary soundstorms. A powerful and flexible architecture is the foundation that supports the immediately useful and spontaneously engaging design of the instrument. Every aspect of Nexus was built to produce music of the highest quality, quickly, with the least amount of fuss.

Nexus features a 32-step arpeggiator with note-transposition, a 32-step trance gate, reverb licensed from Arts Acoustic, and a sophisticated modulation-matrix that will help you sculpt the sound.

Nexus includes a comprehensive 4GB library of over 880 sounds driven by a friendly internal librarian to find the exact sound you need in the heat of the creative moment. Features like search, favorites, and categorization are standard not only in the factory library but in all available expansions. Nexus offers an array of expansions covering a wide gamut of contemporary music styles and produced by the worlds top sound designers.

Nexus is very frugal with the CPU and careful with your RAM.

Nexus is an accessible instrument with contrast controls and several skins available which can change the appearance from black, to blue, to C64 beige...

Latest User Reviews Average user rating of 4.88 from 8 reviews

Reviewed By snadge
November 17, 2011


This is a bit like Omnisphere in that it uses sample librarys and manipulates the sounds with effects, it has some great sounds but as they are sample based you cant really tweak them much, other than basics like reverb, delay and gate etc - you cant get right into the 'core' of the sound and change it liek you can on proper synths that create the sounds themselves.

it has a nice thick sound and most of its presets are great.

the user interface is nice and comes in white or black, its CPU usage is minimal but higher than average for sample based playback.

this synth can be bought as a hardware synth too.Read more

Reviewed By cyphersuit
March 3, 2010

Review Nexus 2.02

Sample player with tweakable sounds and a high quality effect library. Very low cpu use whilst sounding amazing.

User Interface

PRO: Crisp and clean and quite easy to use.
PRO: ARP and Trancegate have a really nice and easy to use GUI
PRO: Comes with different skins.
CON: You have to pay for extra skins which is kind of a let down.


PRO: Sound quality is really nice, often due to the use of Arts Accoustic Reverb (which is great), delay and other effects. Obviously they can be turned of - Nexus still sounds good then.
PRO: Loads of different sounding expansions available
CON: The standard presets are definitely focused around trance/dance mostly.


PRO: Comes with intuitive-to-use arp, trancegate, effects, mod-matrix. Sounds are much more tweakable than in Nexus1.
PRO: Layers of sounds and sequences can be turned on/off individually.
PRO: Arts accoustic reverb on board, plus loads of other effects of a very high standard


PRO: Manual is great and easy to read. Has many Pro-Tips.
CON: No vid tutorials I know of

Customer Support

PRO: Has been brill so far for me.

Value For Money

PRO: Often said to be to expensive all I can say is, that I would buy it again and be happy again. I also like how I get new soundsets on a regular basis on a planned schedule.


Didn't crash one on me while loads of other vsts did.Read more

Reviewed By rob_lee
August 17, 2008

Review Nexus 2 version 2.0.1

User Interface:

Im going to say right from the off that Refx Nexus has revolutionised the way i work with music.The user interface is very pleasing to the eye due to the various skins that can be purchased,although when you purchase Nexus 2 you get 4 free skins and the Dance Volume 2 expansion which is great.Navigation within Nexus 2 is made easy with a single mouse click to access the various features within.There is nothing to confuse the user as within a couple of hours of using Nexus 2 you'll soon be very familiar with the instrument.


The sound of Nexus 2 is non other than brilliant,the quality rivals many top hardware synths without a shadow of a doubt and possibly sounds better than most.
Added in version 2 are the excellent e.q facility which are:

new EQ types: lowpass, highpass, bandpass, bandpass2, notch, peak, lowShelf, highShelf,Q factor for each band
free frequency (20-18000hz) for each band
separate gain (-/+24db) for each band
on/off switch for each band

these features alone make Nexus 2 a winner.


Nexus 2 comes with a ton of new features and i in particular love the way i can mute different layers within any given multi-sample preset,you can transpose and detune any given oscillator which then brings endless possibilitie's to new sounds being created.You can also create an empty bank and save and rename those edited presets to your own banks.The arpeggiator is totally user programmable and there is a great arpeggio library included.my favourite feature is the shuffle feature within the arp page as i regurarly use the 66% shuffle option which adds great value to the way i work.
Nexus 2 now has 2 MultiFx and the new Phaser has 16 stages and sounds truly amazing..i could go on but you have to try Nexus 2 to really find out what it can do.


Documentation is well explained.(Enough said)


I myself own about 10 of the available 20 expansions and plan to purchase the Dance Volume 3 expansion in the week however again all expansions are of the best quality and developed by the best sound designers around and all credit is due to Refx for the sheer quality of sounds provided.
Everything is there from Electro to trance and from the down right gritty industrial to the chilled out spacey stratosphere expansion.There is something for everyone here and scope to then edit and re arrange those sounds into something totally different.

Customer Support:

The Refx customer support is one of the great things about owning Nexus as they are on hand every day on the forums answering user problems and you can also submit tickets for any other support.
I like the fact that the people who designed not only Nexus but even the sound designers are there to offer advice so for that reason support is 10/10

Value For Money:

For what you get with Nexus version 2 i think the price is second to none and when you buy various expansions whether it be 1 or more you instantly get a 15% discount when you go to checkout so for me this is really good value for money


There are only 2 occassions where Nexus 2 has crashed for me using 2 presets,however this is expected in a new product and as always will be rectified with later updates and does not cause much for concern.I cannot deduct a point for this reason as it is very new and the problem only lie's with the muting and unmuting of a certain preset.Other than that i can run easily 10 instances of Nexus on my machine not that i need that many.All in all the stability for me makes Nexus 2 a winner.


If you don't own Nexus 2 then Get it! It's already improved my workflow to no end and is probably my favourite piece of gear now that it's at version 2 and the fact that Nexus now uses a copy protection dongle which holds your licence makes it more attractive and it's also a very welcome addition to an already great piece of kit.I for one would recommend Refx Nexus 2 to anyone making electronic music as from the start it oozes creativity with fantastic results and i hope this review has been helpful
cheer Rob LeeRead more

Reviewed By ozmoz2008
August 5, 2008

This VST took my attention when I've discovered it, it is so well done and easy to use. The presets sounds awesome, but I could use a little more as a built- in presets, even if they use the same ROM samples bank, which is quite good (around 4 Gigabytes). The look is also nice...looks like a Akai 1000.... but sounds better ;)

I really like the feel that the sounds have, mostly in their own ambiences. Nice gate sounds, arpegiator, delays and reverbs (for a synth...obviously).

The sounds are really inspiring, which is probably the most important feature in any instrument. The sounds are fat without being too mid-bassy. They are definite and clear without being too airy and fuzzy. The ambiences are large and deep...which is my kind of stuff. I have been able to use it in many soundtrack situations. I also have some expansion libraries that sound also great.

The VST is very stable, I didn't have any crash with it, even when many instances of the VST were open in my DAW. It doesn't ask much to the CPU which is not of big importance for me since I work on a very powerful CPU.

Overall this synth have all the good reasons to be in the top ones. I hope that the company will continue to develop it for a long time, as it is one of my favourites ones.

Definitively a good thumb's up!!Read more

Reviewed By Drago
March 14, 2008

Nexus is fantastic!
It gives you all the sounds which you need to do a real clubhit. It has really everything. Lead sounds, pads, arpeggios even drums - everything in outstanding and authentic quality. It costs really little CPU and you can open it up to 10 times. I use it for all projects at the moment. The GUI looks just beautiful and "clean". You can handle it without reading any manuals. You can change the look by purchasing skins from refx which are really killer btw (i LOVE the black skin)
Furthermore you can expand Nexus by purchasing additional soundsets (called "expansions" because they come with new sample content)
so Nexus is always up to date to the market. (at the moment electro sounds are very trendy) But Nexus can do very impressive "nature" sounds too. Like Orchestra sounds or guitars or flutes. Its really all in one, where you needet tons of plugins before.

all of my producing friends use Nexus already. It makes things so much easier for us dance producers. A must have!Read more
Discussion: Active


18 December 2011 at 10:41am


9 March 2012 at 4:09pm


9 June 2012 at 6:18am

Still can't figure out how to get the preset packs to load, can someone help ?

11 June 2012 at 12:29am


11 June 2012 at 7:09am




31 October 2012 at 1:49pm

Oh Amazing, this is a killer VST.. ordered mine already :)

15 November 2012 at 10:24am

@ DJ.DUCEdaKEEYS go to system and add the files from the import menu

17 November 2012 at 2:43pm


20 February 2013 at 8:24pm

How do i download? :)

25 February 2013 at 12:52pm

How do I download? :D

28 February 2013 at 1:00am

U Buy It.



5 March 2013 at 10:39pm

The best one !!.

20 June 2013 at 3:43am

It Is a Powerful Synthesizer, We Love It^^.

2 July 2013 at 2:42pm

Anybody know where I can find any good reviews on this? Gotta get it, but want to read up on it a little more before shelling out $300+ Thanks.

21 February 2015 at 5:03pm

I want it.

3 December 2015 at 11:06am

finally got it yesterday with the annual Christmas discount ;) (Y)

29 June 2016 at 6:41pm

How do I get Nexus into studio one 2.

4 July 2016 at 6:34pm

I really hope you can enable moving the license from the key to computer. I'm tired of using usb hubs on the go. Other elicenser and iLok developers have achieved this, why can you?

12 December 2016 at 1:05am

Where can I buy and download nexus???? is that hard to find?

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Average user rating of 4.88 from 8 reviews

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