# D500.4

> D500.4 (iPhone/iPad app by SEIKAKU.)

- Source: https://appshunter.io/ios/app/d5004/id1248177856 (this page in markdown: same URL + `.md`)
- Developer: [SEIKAKU](https://appshunter.io/developer/860317297)
- Category: Entertainment, Music
- Price: Free
- Age rating: 4+
- Requires: iOS 9.1 · 6 MB
- Languages: English
- Released: 2017-08-11
- Data updated: 2025-01-09
- User reviews in markdown: https://appshunter.io/ios/app/d5004/id1248177856/reviews.md

## What is D500.4?

The D500.4 switching power professional amplifier is designed for professional use on stage.
 The high-quality components and the carefully designed circuits ensure excellent audio performance and extremely liner frequency response. In fact, the switching power technology offers, together with an increased efficiency and a better control of heat dissipation than conventional power supply systems, a drastic reduction of dimensions and weight, for easier transportation and installation. This amplifier guarantees total reliability and a trouble-free use even in the most demanding conditions. We believe the D500.4 will provide a perfect performance, what you get is unprecedented


## Version history (last 4 releases)

### 1.5.4 — 2021-06-26

1.Fixed some bugs.

### 1.5.3 — 2018-05-08

This app has been updated by Apple to display the Apple Watch app icon.

1:Add function Gate Bypass
2:Add factory preset

### 1.0.2 — 2017-08-13

The app name should be "D500.4" not "500.4", so now changed.

### 1.0.1 — 2017-08-11

No release notes.

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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 2025-01-09.*