# MAD D-48BT — GAS MAD DSP CONTROL

> GAS MAD DSP CONTROL (iPhone/iPad app by Winn Scandinavia AB.)

- Source: https://appshunter.io/ios/app/mad-d/id6760750792 (this page in markdown: same URL + `.md`)
- Developer: [Winn Scandinavia AB](https://appshunter.io/developer/1517736752)
- Category: Music, Entertainment
- Price: Free
- Age rating: 9+
- Requires: iOS 9.0 · 19 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-03-23
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/mad-d/id6760750792/reviews.md

## What is MAD D?

Adjustable crossover ( HPF / LPF / BPF from 20 Hz to 20 kHz )                                                                   
Selectable crossover slopes ( 6 to 48 dB/oct )                                                                                          
Crossover types ( Bessel / Butterworth / Linkwitz-Riley )                                                                          
Equalizer ( 8  x 31 bands )                                                                                                                                     
Time alignment ( 0-20 ms / 0-692 cm / 0-272" )                                                                                     
Selectable phase shift ( 0 or 180 degrees )                                                                                                            
6 Memory presets


## Version history (last 2 releases)

### 1.0.1 — 2026-03-30

This update from Apple will improve the functionality of this app. No new features are included.

1.Modify the interface text display.

### 1.0 — 2026-03-24

No release notes.

## More apps by Winn Scandinavia AB

- [GAS MAX HRC X](https://appshunter.io/ios/app/gas-max-hrc-x/id1517736753)
- [GAS RC BT](https://appshunter.io/ios/app/gas-rc-bt/id1531294650)
- [P84DSP](https://appshunter.io/ios/app/p84dsp/id6760002517)
- [DLS DSP CONTROL](https://appshunter.io/ios/app/dls-dsp-control/id6760286075)
- [MAX D2-610BT](https://appshunter.io/ios/app/max-d2/id6760926184)

All apps by Winn Scandinavia AB: https://appshunter.io/developer/1517736752

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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 2026-05-15.*