# EDSP31-68

> EDSP31-68 (iPhone/iPad app by DB Research L.L.P..)

- Source: https://appshunter.io/ios/app/edsp31-68/id1582112803 (this page in markdown: same URL + `.md`)
- Developer: [DB Research L.L.P.](https://appshunter.io/developer/1582096044)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 9.0 · 33 MB
- Languages: English, Chinese, Chinese
- Released: 2021-08-30
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/edsp31-68/id1582112803/reviews.md

## What is EDSP31?

Products features:                                                                     
1.DSP settings and adjustments made with smart phone APP
2.Selectable Audio Input：High Level or Low Level 
3.8 Independently assignable low-level outputs
4.Selectable crossover slopes（6,12,18,24,30,36,42,48 dB/octave）
5.31band graphic EQ with fine tuning
6.Adjustable high, band-pass, or low-pass filters（20KHz-20Hz）
7.Phase adjustment：switchable 0/180 degrees on all output channels


## Version history (last 4 releases)

### 1.0.3 — 2022-03-28

1. Optimize your program.

2. Correct the text display.

### 1.0.2 — 2022-02-13

1.Fixed setting navigation background color failure after iOS15.

### 1.0.1 — 2022-02-10

1. Add new Bluetooth name recognition.

### 1.0.0 — 2021-08-30

No release notes.

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| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [HSA-10.PRO](https://appshunter.io/ios/app/hsa-10pro/id6446188767) | — | Free | Utilities |
| [S8 DSP Mobile](https://appshunter.io/ios/app/s8-dsp-mobile/id1518830726) | 1.8 (4) | Free | Utilities |
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| [SoundMagus](https://appshunter.io/ios/app/soundmagus/id6738948166) | — | Free | Utilities |
| [CA DSP](https://appshunter.io/ios/app/ca-dsp/id1563340670) | 5.0 (1) | Free | Utilities |

## More apps by DB Research L.L.P.

- [EDSP31-24BT](https://appshunter.io/ios/app/edsp31-24bt/id1582096042)
- [Driven DRBTM2 media receiver](https://appshunter.io/ios/app/driven-drbtm2-media-receiver/id1621627099)
- [EDSP31-610](https://appshunter.io/ios/app/edsp31-610/id6670163147)
- [WDX-R DSP](https://appshunter.io/ios/app/wdx-r-dsp/id6744683730)
- [EUPHORIA XPERT](https://appshunter.io/ios/app/euphoria-xpert/id6746140252)

All apps by DB Research L.L.P.: https://appshunter.io/developer/1582096044

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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 2026-05-14.*