# Sonic Eject — frequency sound generator

> Frequency generator and headphone burn-in tool for audio equipment. (iPhone/iPad app by 祥 徐.)

- Source: https://appshunter.io/ios/app/sonic-eject/id1625256246 (this page in markdown: same URL + `.md`)
- Developer: [祥 徐](https://appshunter.io/developer/1608583299)
- Category: Lifestyle
- Price: Free with in-app purchases
- Rating: 4.47/5 from 17 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 14 MB
- Languages: English, Japanese, Korean, Chinese, Chinese
- Released: 2022-05-21
- Data updated: 2026-06-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sonic-eject/id1625256246/reviews.md

## What is Sonic Eject?

Sonic Eject
【Here is the frequency generator and headphone burner function! 】
The newly bought earphone diaphragm ring has poor mechanical compliance
Burn-in is a means and method to quickly make the equipment reach a stable state
Distortion also gradually returns to normal levels after a period of burn-in
use different frequencies of audio as well as white noise and pink noise for burn-in

- Frequency generator
【Built-in frequency generator and automatic full-band mode】
Averaging the full frequency range of a ground-active audio system
That is, the frequency range of the sound that the human ear can hear is 20-20khz
Slide to adjust hertz value (20-20khz)
There is also 【automatic full-band mode】
App automatically increases slowly from 20hz to 20khz
Complete a cycle in five minutes

-Burn in headphones
【Using white noise and pink noise to burn headphones】
White noise: same power on all frequency bands
Pink noise: The energy gradually decays from low frequencies to high frequencies
20 hours of white noise, 10 hours of pink noise
With a burner, you can get twice the result with half the effort!
Make the sound quality of the headphones more uniform!

Frequency generator - burn headphones!
Suitable for newly bought professional headphones!

Here are some illustrates about Burn-in Headphones
https://hub.yamaha.com/audio/a-how-to/how-to-burn-in-headphones-and-earbuds/
https://www.headphonesty.com/2016/01/why-you-should-or-should-not-burn-in-your-headphones/
https://ietresearch.onlinelibrary.wiley.com/doi/10.1049/iet-spr.2012.0161

Sonic Pro
Subscription features:
1. Frequency generator
2. Freely adjust the number of Hertz
3. Use white noise and pink noise to cook headphones

Subscription price: $9.99/year (3-day free trial)
Pricing in other countries may vary, the actual price should be subject to the in-app
Payment: Charged to iTunes account after user confirms purchase
Cancellation of renewal: To cancel the renewal, please manually turn off the automatic renewal function in the iTunes/Apple ID settings management 24 hours before the current subscription period expires.
Renewal: Apple iTunes account will be deducted within 24 hours before expiration, and the subscription cycle will be extended by one subscription cycle after the deduction is successful.
Privacy Policy
https://shimo.im/docs/Wr3DVRB7L2TYoZkJ/
Terms of Service
https://shimo.im/docs/RKAWVLmp0ZC1RBk8/

## Key features

- Frequency generator
- Automatic full-band mode
- Manual Hertz adjustment
- White noise generation
- Pink noise generation
- Headphone burn-in

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| sonic pro a year | $8.99 | per year |
| sonic pro a year discount | $8.99 | per year |



## Frequently asked questions about Sonic Eject

### What is the purpose of Sonic Eject?

Sonic Eject functions as a frequency generator and a tool for burning in new headphones. It uses specific audio frequencies, white noise, and pink noise to help new headphone diaphragms reach a stable state and improve overall sound quality.

### How does Sonic Eject burn in headphones?

Sonic Eject uses white noise and pink noise to burn in headphones. White noise provides equal power across all frequency bands, while pink noise gradually decays energy from low to high frequencies. The app suggests 20 hours of white noise and 10 hours of pink noise for this process.

### Can I manually adjust the frequencies in Sonic Eject?

Yes, the Sonic Pro subscription allows you to freely adjust the Hertz value on a slider, ranging from 20Hz to 20kHz. This gives you precise control over the frequencies used for burn-in or generation.

### What is the automatic full-band mode in Sonic Eject?

The automatic full-band mode in Sonic Eject slowly increases the frequency from 20Hz to 20kHz over a five-minute cycle. This mode aims to average the full frequency range of an audio system for comprehensive burn-in.

### What is the subscription cost for Sonic Pro?

The Sonic Pro subscription is priced at $9.99 per year. There is a 3-day free trial available for new users before the subscription begins.

### How do I cancel my Sonic Pro subscription?

To cancel your renewal, you must manually turn off the automatic renewal function in your iTunes/Apple ID settings management at least 24 hours before your current subscription period expires.

### Is Sonic Eject suitable for all headphones?

Sonic Eject is particularly recommended for newly bought professional headphones. The burn-in process is designed to help new earphone diaphragms achieve better mechanical compliance and reach a stable state.

### What devices does Sonic Eject support?

Sonic Eject is available for iPhone, iPad, and iPod devices. It is rated for ages 4 and up.

## Version history (last 3 releases)

### 1.2 — 2022-05-28

-Fixed the bug that the adjustment slider was not sensitive
-Added subscription

### 1.1 — 2022-05-24

-App supports more localized languages
-Fixed a small bug

### 1.0 — 2022-05-21

No release notes.

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## More apps by 祥 徐

- [Auto Clicker - Auto Toolkit](https://appshunter.io/ios/app/auto-clicker-auto-toolkit/id1631292956)
- [Lock Screen Weather](https://appshunter.io/ios/app/lock-screen-weather/id1643624304)

All apps by 祥 徐: https://appshunter.io/developer/1608583299

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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 2026-06-05.*