# HSA-DSP.31.PRO.BUS

> HSA-DSP.31.PRO.BUS (iPhone/iPad app by 杏生 卢.)

- Source: https://appshunter.io/ios/app/hsa-dsp31probus/id6745184520 (this page in markdown: same URL + `.md`)
- Developer: [杏生 卢](https://appshunter.io/developer/1094592555)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 4 MB
- Languages: English, Chinese, Chinese
- Released: 2025-06-10
- Data updated: 2026-08-01
- User reviews in markdown: https://appshunter.io/ios/app/hsa-dsp31probus/id6745184520/reviews.md

## What is HSA?

After connecting App to Car Amplifier with Integrated DSP,  EQ, BASS, 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.


## Version history (last 5 releases)

### 1.3.0 — 2026-07-23

-Adjusted the transmission frequency of the EQ.

### 1.2.9 — 2025-11-13

-We have adjusted and optimized the UI and added a vertical screen mode.

### 1.2.8 — 2025-08-14

-fixed UI

### 1.2.7 — 2025-08-05

- fixed some bugs

### 1.2.6 — 2025-07-21

-Adapt the UI display of some interfaces.

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## More apps by 杏生 卢

- [车乐享DT](https://appshunter.io/ios/app/dt/id1094592556)
- [GPAUDIO](https://appshunter.io/ios/app/gpaudio/id1104775835)
- [HSA-800.PRO10](https://appshunter.io/ios/app/hsa-800pro10/id1106837363)
- [A580DSP](https://appshunter.io/ios/app/a580dsp/id1133869319)
- [A500DSP](https://appshunter.io/ios/app/a500dsp/id1142427539)
- [MDA-DSP](https://appshunter.io/ios/app/mda-dsp/id1157857067)

All apps by 杏生 卢: https://appshunter.io/developer/1094592555

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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 2026-08-01.*