# DEQ-400ACH

> DEQ-400ACH (iPhone/iPad app by Pioneer China.)

- Source: https://appshunter.io/ios/app/deq-400ach/id6450877318 (this page in markdown: same URL + `.md`)
- Developer: [Pioneer China](https://appshunter.io/developer/480600121)
- Category: Utilities
- Price: Free
- Age rating: 17+
- Requires: iOS 9.0 · 63 MB
- Languages: English, Chinese, Chinese
- Released: 2023-07-12
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/deq-400ach/id6450877318/reviews.md

## What is DEQ?

DEQ-400ACH是一款针对汽车DSP功放的高音质音效处理APP，可通过蓝牙与设备连接，对DSP的延时，频响，EQ等参数进行调整。


## Version history (last 1 release)

### 1.0.0 — 2023-07-12

No release notes.

## Apps similar to DEQ

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [A500/A600S DSP](https://appshunter.io/ios/app/a500a600s-dsp/id6504397221) | — | Free | Utilities |
| [A600 DSP](https://appshunter.io/ios/app/a600-dsp/id6473719521) | — | Free | Utilities |
| [SANSUI Audio DSP](https://appshunter.io/ios/app/sansui-audio-dsp/id1585913885) | — | Free | Utilities |
| [KS-EP3200HP](https://appshunter.io/ios/app/ks-ep3200hp/id6596749768) | — | Free | Utilities |
| [NDSR355A](https://appshunter.io/ios/app/ndsr355a/id6449562008) | — | Free | Utilities |
| [SDS1046](https://appshunter.io/ios/app/sds1046/id1432282098) | — | Free | Utilities |

## More apps by Pioneer China

- [TourMe](https://appshunter.io/ios/app/tourme/id483319833)
- [PioneerHUD](https://appshunter.io/ios/app/pioneerhud/id1102353416)
- [Pioneer DSP](https://appshunter.io/ios/app/pioneer-dsp/id1630328191)
- [DSP Remote](https://appshunter.io/ios/app/dsp-remote/id6757590132)

All apps by Pioneer China: https://appshunter.io/developer/480600121

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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 2026-05-19.*