# M-DSPA.401

> Mobile app to control car amplifier DSP settings via Bluetooth. (iPhone/iPad app by G.M.A. Italia s.r.l..)

- Source: https://appshunter.io/ios/app/m-dspa401/id1229937158 (this page in markdown: same URL + `.md`)
- Developer: [G.M.A. Italia s.r.l.](https://appshunter.io/developer/1622782479)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 5 MB
- Languages: Chinese (Simplified, China)
- Released: 2017-04-29
- Data updated: 2026-06-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/m-dspa401/id1229937158/reviews.md

## What is M?

After connecting App to Car Amplifier with Integrated DSP,  EQ, BASS, 3D SOUND,TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App.

How to use:
1.Install App and turn on power of car
2. Turn on Bluetooth on your iPhone
3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically.
4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save.  

Note：
1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.

## Key features

- DSP control
- EQ adjustment
- Bass control
- 3D sound effects
- Time alignment
- Save/load sound settings

## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/m-dspa401/id1229937158/reviews.md

### 1/5 — Da aggiornare

*2024-08-25, version 1.1.0*

con il nuovo iPhone15 e il nuovo iOS l’app si blocca sempre e non consente nessuna regolazione e richiamo di preset o salvataggio. App da aggiornare

### 1/5 — App obsoleta per sistemi IOS

*2022-01-21, version 1.1.0*

sui dispositivi apple è inutilizzabile perché il bluetooth non trova l’ampli! Aggiornate l’app!!!!

### 1/5 — Non memorizza i cambiamenti che si effettuano

*2021-11-17, version 1.1.0*

Purtroppo l app non funziona con iOS 15 funziona solo con iOS inferiore con iOS 15 non memorizza i cambiamenti che si effettuano dal telefono… andrebbe aggiornata

### 4/5 — Bag iPhone 11 pro Max

*2020-08-07, version 1.0.4*

Nella schermata equalizzatore quando tocco la barra dei 16000 per la regolazione si attiva un fischio in tutte le casse dell’auto che non fa con iPhone 6. Sistemare per favore. Comunque buona app. Grazie

### 3/5 — Funziona ma è vecchia !

*2019-01-04, version 1.0.3*

Vi chiedo di intervenire perché hai questa applicazione è molto vecchia neanche adattata al nuovi telefoni iPhone X vi chiedo di sistemare questo problema al più presto grazie

### 3/5 — Aggiornate per favore

*2018-12-19, version 1.0.3*

C’è bisogno di un aggiornamento per le risoluzioni dei nuovi dispositivi X-XS-XR e per iOS 12.
L’ultimo aggiornamento risale a più di un anno fa.

## Frequently asked questions about M

### How do I connect M-DSPA.401 to my car amplifier?

Ensure your car's power is on and Bluetooth is enabled on your iPhone. Open the M-DSPA.401 app and wait for about 5 seconds. Then, tap the 'Connect' icon in the bottom left corner. The amplifier should connect automatically.

### What sound settings can I control with M-DSPA.401?

You can control various settings including EQ, Bass, 3D Sound, Time Alignment, Phase, Mute, and Filter. You can also manage RCA output settings.

### Can I save my custom sound profiles with M-DSPA.401?

Yes, you can save your preferred sound settings directly to your phone or to the amplifier itself. This allows you to easily recall your custom configurations later.

### What happens if I exit M-DSPA.401 while saving settings?

It is advised not to exit the app during the saving process or turn off the power supply. Doing so may cause the program to shut down unexpectedly and interrupt the saving operation.

### Is M-DSPA.401 available for Android devices?

Based on the provided information, M-DSPA.401 is designed for iPhones and iPods. Compatibility with Android devices is not mentioned.

### How often is M-DSPA.401 updated?

The app was last updated on October 25, 2020, with version 1.1.0. Further update frequency information is not available in the provided data.

### What is the age rating for M-DSPA.401?

M-DSPA.401 has an age rating of 4+. This indicates it is suitable for users aged 4 and above.

### Does M-DSPA.401 have ads?

No, the application data indicates that M-DSPA.401 does not contain advertisements.

## Version history (last 5 releases)

### 1.1.0 — 2020-10-25

adaptation iPhone 12

### 1.0.5 — 2020-08-18

Fix some algorithm problems
Fix the problem of popping sound when input value

### 1.0.4 — 2020-07-31

fix ui for iPhone 11

### 1.0.3 — 2017-07-10

-Fix bugs

### 1.0.2 — 2017-06-05

-Fix bugs and UI

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## More apps by G.M.A. Italia s.r.l.

- [M-DSPA.500](https://appshunter.io/ios/app/m-dspa500/id1398688744)
- [NewX-Scooter](https://appshunter.io/ios/app/newx-scooter/id1542741597)
- [M-DSPA.402](https://appshunter.io/ios/app/m-dspa402/id1624653561)

All apps by G.M.A. Italia s.r.l.: https://appshunter.io/developer/1622782479

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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 2026-06-08.*