# RX950 Classic AD/DA Converter — 12-bit Sampler Emulation

> 12-bit sampler emulation with classic audio signal path and effects. (iPhone/iPad app by Inphonik.)

- Source: https://appshunter.io/ios/app/rx950-classic-adda-converter/id1406136418 (this page in markdown: same URL + `.md`)
- Developer: [Inphonik](https://appshunter.io/developer/1406136417)
- Category: Music
- Price: $1.99
- Rating: 4.60/5 from 50 App Store ratings · 31 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.3 · 22 MB
- Released: 2018-07-28
- Data updated: 2026-08-30
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/rx950-classic-adda-converter/id1406136418/reviews.md

## What is RX950 Classic AD/DA Converter?

Features:

• Legendary 12-bit resolution
• Perfect modelling of the S950's audio signal path
• Adjustable audio bandwidth (and thus sampling frequency)
• Original steep 6th-order low-pass Butterworth filter
• Stereo or mono operation
• Low CPU consumption
• Supports AUv3 and Inter-App Audio

How does it work:

The Input Gain Knob makes your sound loud’n'proud with the S950’s unique grit and warm distortion. It’s powerful and will help anything stand out in your mix.

The Audio Bandwidth Knob controls the target sample rate and analog-to-digital conversion circuitry with an exquisite, yet remarkably subtle, aliasing effect.

The Filter Knob controls the S950’s infamous steep low-pass filter. Use it on separate elements, or on any output bus or master section.

The Mono switch button is for mono operation (as the original S950) with a 50/50 mix. Great for checking your mix.

## Key features

- Legendary 12-bit resolution
- Emulated audio signal path
- Adjustable audio bandwidth
- Steep low-pass Butterworth filter
- Stereo or mono operation
- Low CPU consumption
- AUv3 and Inter-App Audio support

## Recent user reviews (10 of 31)

All indexed reviews: https://appshunter.io/ios/app/rx950-classic-adda-converter/id1406136418/reviews.md

### 5/5 — 最高

*2025-12-12*

iosにはこういうアプリあまりないので、とっても貴重です。
aumと使いましたが、良かったです。

### 3/5 — Audiobus ?

*2024-02-17, version 1.1.6*

Sounds great but doesnt work with Audiobus

### 5/5 — excellent with certain synths

*2023-08-29, version 1.1.6*

Absolutely remarkable with Animoog/Z, more pedestrian with other synths i've tried (Virsyn  range for exemple).

### 3/5 — no not impressive at all

*2023-08-01*

old akai filters can totally change the character to a sound particularly with bass tones this offers none of that, make a basic low pass filter that sounds like it comes for free with any daw and call it a 950 filter🥱yawn

### 5/5 — Godsend!

*2023-06-12*

If you’re working in audio production and not using this heavenly blessing of an app, it’d be a crime, yes, a crime! Just use this once to see sophistication being materialised before your very eyes! Thank you in inphoniks! We love you!

### 5/5 — Für alle Fälle

*2022-11-24*

Für mich ist dies ein Werkzeug das in meinem Kasten nicht mehr fehlen darf. Eigentlich auf jedem Kanal bei mir zu finden, manchmal sogar 2x. Ich leibe dieses weiße Rauschen wenn mehrere in einem Projekt sind.

### 5/5 — Does what is says on the tin.

*2021-12-05*

Close emulation of the original. Perfect on drums, taking off the highs with the filter.
To those that say it only works in mono, did you try toggling the mono switch?
When lit the sound will be in mono. Turn it off and your back to stereo.
SIMPLE NO FRILLS and gets the job done and it this price you can’t go wrong.

### 1/5 — Keeps crashing!

*2021-10-08*

I saw the reviews and thought it sounded like a good idea to get it but it keeps crashing my daw whenever I try to put it on a track! Hope this can get fixed.

### 3/5 — Phantom distortion?

*2020-09-24*

Was loving this plugin esp. for the “brilliance’ knob - but as of currently, it appears if I put it on say a vocal track and set things for what would typically be ‘clarity’ -> turning it off creates strange artifacts that persist even after removing it from the track, until I restart Cubasis.

### 5/5 — Perfect

*2020-09-10*

It’s subtle, it’s niche, and it does exactly what it says. Some samples just sit better in a mix when they get degraded in a really specific way.

## Frequently asked questions about RX950 Classic AD/DA Converter

### What does the RX950 Classic AD/DA Converter app do?

This app emulates the audio signal path of the legendary S950 sampler, offering its characteristic 12-bit resolution and sonic qualities. It allows you to apply vintage grit, warm distortion, and subtle aliasing effects to your audio.

### What are the key features of this sampler emulation?

Key features include legendary 12-bit resolution, perfect modeling of the S950's audio signal path, adjustable audio bandwidth (sampling frequency), an original steep low-pass Butterworth filter, and stereo or mono operation. It also boasts low CPU consumption and supports AUv3 and Inter-App Audio.

### How much does the RX950 Classic AD/DA Converter app cost?

Based on the provided information, this application is a paid app. There are no mentions of in-app purchases or a subscription model, indicating a one-time purchase for full access.

### What kind of audio processing can I achieve with this app?

You can achieve a unique sonic character reminiscent of classic samplers. The Input Gain Knob adds grit and warm distortion, the Audio Bandwidth Knob controls the sampling rate and aliasing, and the Filter Knob applies a steep low-pass filter. The Mono switch is useful for mix checking.

### Is this app compatible with other music applications?

Yes, the app supports both AUv3 (Audio Units v3) and Inter-App Audio. This means you can use it as a plugin within compatible DAWs (Digital Audio Workstations) or host it within other audio applications on your device.

## Version history (last 5 releases)

### 1.1.6 — 2019-04-02

• Fixed a bug causing knobs to not show properly
• Fixed a bug potentially crashing the app upon exiting​

### 1.1.5 — 2019-01-08

• Reduced memory footprint
• Improved stability

### 1.1.4 — 2018-09-21

Fix for remaining compatibility issue with iOS 12.

### 1.1.3 — 2018-09-19

Fixed compatibility issue with iOS 12

### 1.1.2 — 2018-08-20

A new Brilliance knob enhances or tames a light boost in the upper spectrum that can be heard when the Audio Bandwidth knob is set near its max values. Tap the little "fader" icon to access it.

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## More apps by Inphonik

- [PCM2612 Retro Decimator Unit](https://appshunter.io/ios/app/pcm2612-retro-decimator-unit/id1553328948)

All apps by Inphonik: https://appshunter.io/developer/1406136417

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*