# RDTap

> Subwoofer control and configuration app for RCF SUB 90XX series. (iPhone/iPad app by RCF spa.)

- Source: https://appshunter.io/ios/app/rdtap/id6739501408 (this page in markdown: same URL + `.md`)
- Developer: [RCF spa](https://appshunter.io/developer/1053268033)
- Category: Music, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 36 MB
- Languages: American English
- Released: 2025-01-16
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/rdtap/id6739501408/reviews.md

## What is RDTap?

RDTap is dedicated to the SUB 90XX family of touring subwoofers (https://www.rcf.it/en/sub-9000-series), providing full access to their internal parameters. Several presets are available for their internal Advanced Crossover Engine (ACE), offering a professionally tuned match, both in level and phase, between the subwoofer itself and a selection of top speakers. In addition, a Ground Stacking or Sub Cluster combination of up to 3 subwoofers and one or more top speakers (defined as Design) can be rapidly defined and configured, with simple programming steps.

## Key features

- Access internal subwoofer parameters
- Advanced Crossover Engine (ACE) presets
- Professionally tuned level and phase matching
- Ground stacking and sub cluster configuration
- Rapid setup for speaker designs

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/rdtap/id6739501408/reviews.md

### 2/5 — Speaker Database

*2025-12-09, version 1.0.12*

Missing new KX Series in Speaker Database.

### 5/5 — Absolutely Stunning!

*2025-06-26, version 1.0.5*

Super quick and easy System setting without the need of networks or even a Power connection. Intuitive aswell. No questions left. 
Best invention in Audio since a very long time! 
Thank you RCF.

## Frequently asked questions about RDTap

### What subwoofers does RDTap support?

RDTap is specifically designed for the RCF SUB 90XX family of touring subwoofers. It provides full access to their internal parameters for detailed control and optimization.

### Does RDTap offer presets for speaker matching?

Yes, RDTap features several presets for its internal Advanced Crossover Engine (ACE). These presets are professionally tuned to ensure optimal level and phase matching between the subwoofer and various top speakers.

### Can RDTap configure multiple subwoofers?

RDTap supports the rapid definition and configuration of Ground Stacking or Sub Cluster combinations. You can set up to 3 subwoofers and one or more top speakers as a 'Design' with simple programming steps.

### Is RDTap available on Android devices?

Based on the provided data, RDTap is currently supported on iPhone and iPod. Information regarding Android compatibility is not available.

### How often is RDTap updated?

The latest version of RDTap is 1.0.14, last updated on February 20, 2026. This indicates a recent update, suggesting ongoing development and support.

### What is the age rating for RDTap?

RDTap has an age rating of 4+. This suggests it is suitable for a wide audience and does not contain mature content.

### Does RDTap have ads?

RDTap does not contain advertisements. The app is free to download and use without any ad interruptions.

### What is the release date of RDTap?

RDTap was released on January 16, 2025. This is a recent release, indicating it is a modern application.

## Version history (last 5 releases)

### 1.0.14 — 2026-02-20

- Support for latest firmware releases on:
   - SUB 9016-AS (rev. 10)
   - SUB 9019-AS (rev. 24)
   - SUB 9029-AS (rev. 23)
- New ACE presets for KX, ART 9, NX families are now available

### 1.0.13 — 2025-12-10

Support for latest mandatory firmware releases on:
* SUB 9016-AS (rev. 9)
* SUB 9019-AS (rev. 23)
* SUB 9029-AS (rev. 22)

### 1.0.12 — 2025-10-30

- minor improvements
- it is now possible to retrieve product info via RDTap even if the firmware version is not recent

### 1.0.11 — 2025-10-19

New Feature:
- KX family has been added to the ACE preset list

### 1.0.10 — 2025-09-20

- Support for latest firmware versions on SUB 9016-AS, SUB 9019-AS, SUB 9029-AS
- To allow use of this release, firmware update to the latest version is required on SUB 90XX
- You can perform a SUB 90XX update via RDNet or via USB using the latest version of RCF Updater software
- PIN Reset has been removed as the Factory Reset function is now available

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## More apps by RCF spa

- [MixRemote](https://appshunter.io/ios/app/mixremote/id1053268034)
- [MixUpdate](https://appshunter.io/ios/app/mixupdate/id1060484619)
- [VSA Remote](https://appshunter.io/ios/app/vsa-remote/id1086921174)
- [MyRemote](https://appshunter.io/ios/app/myremote/id1134182338)
- [Evox](https://appshunter.io/ios/app/evox/id1336454844)
- [M20 MixRemote](https://appshunter.io/ios/app/m20-mixremote/id1467487543)

All apps by RCF spa: https://appshunter.io/developer/1053268033

## Related topics

[rdtap](https://appshunter.io/ios/topics/rdtap)

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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 2026-07-07.*