Description
Pro-Osc was built with the samples of raw oscillators from a vintage-era analog synthesizer. With 14 different wave shapes, 30 custom convolution impulse responses, and over 80 presets.
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- Runs in the free Kontakt 6 Player, full Kontakt 6, Komplete Kontrol, or Maschine 2
- Install and download all within Native Access
- Full NKS support (Maschine & Komplete Kontrol Keyboards)
More info and tutorials on our product page here.


Adrian T –
This is such a great tool!! So much for an amazing price. Really gives you the flexibility to make a sound as wild or as contained as you desire. I find myself stacking oscillators and matching different effects to make a sound completely different from what I started with. Such versatility. Really enjoying it so far.
Tyler Burton –
A unique instrument with a warm sound and a welcoming interface, like playing a legit analogue synth. Dialing in a patch is quick and easy, but there’s depth here — don’t sleep on the sequencer. The sound is so natural that I can drop it into basically any project and it gels with the mix. It just feels good!!
Patrick C. –
Pro-Osc is packed full of analogue goodness! It’s got a lush and warm sound and it will add a uniqueness to your compositions that’s reminiscent of when synths ruled the airwaves!
Sean Tobin –
I Stumbled across Clay and Kelsey Instruments by chance, and so glad I did, from the first chord struck I was speechless, we’ll kind of of, the words ‘Oh My Gosh… (swear word) Me’ may of left my lips in pure elation as sonic beauty left my speakers and a grin from ear to ear. Finally softsynths with soul and they sound Stella!!!!! I just purchased an upgrade to Komplete 14 several days prior and have to say, NI as great as it is doesn’t have the immediacy or real Phat Analogue vibes as Clay and Kelsy Instruments. Over the years I’ve found soft synths to be veiled and flat, always sitting back as if the sound stage has already been chosen by the developer, sitting in the 2d realm, Kind of like guitar sims. They sound great when cranked but once the initial ear candy dissolves your left wanting.
Playing Pro OSC is like playing a high end analogue synth the quality and the coding is next level, pure genius!!!! The quality and choice of the convolution fx’s is a breath of fresh air! I can’t wait to see what they come out with next! Insta buy