# HSA-800 OPTICAL

> HSA-800 OPTICAL (iPhone/iPad app by 杏生 卢.)

- Source: https://appshunter.io/ios/app/hsa-800-optical/id1551573128 (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 9.0 · 6 MB
- Languages: English, Chinese, Chinese
- Released: 2021-02-05
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/hsa-800-optical/id1551573128/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.  

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


## Version history (last 5 releases)

### 1.2.3 — 2023-10-04

-Compatible with iPhone15 interface.

### 1.2.2 — 2023-04-23

-fixed input volume.

### 1.2.1 — 2022-02-16

- Input interface cancels signaling.

### 1.2.0 — 2022-01-19

-Fixed the problem that the routing level position is disordered.

### 1.1.9 — 2022-01-14

-修復一個漏洞（路由電平）。

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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 2026-05-15.*