Bass Booster X: Volume Boost 9‏+

Bass Booster X: Volume Boost is a powerful volume boosting application for music, videos, audios, audiobooks and voice files. You can increase your media volume by up to 1000% and enjoy clearer, more powerful sound. In addition, the app also provides a powerful bass booster that amplifies bass and provides excellent sound quality.

Outstanding functional features:
Volume Boost: Increase the volume of music, videos, audios, audiobooks and voice files by up to 1000%.
Bass Booster: Enhances the bass effect, provides deeper sound quality, and enhances the bass by up to 200%.
Media Converter: Convert audio and video files to virtually any major video or audio format.
Support multiple formats: Supports almost all audio/video formats, including MP3, M4A, AAC, AIFF, mp4, MKV, MOV, AVI, etc.
Reduce or mute the sound of audio/video files.
Batch processing mode: supports batch processing of multiple files to improve work efficiency.
Video Stabilization: Stabilizes shaky videos to provide a clearer and more stable viewing experience.
Add/Embed Music: Add or embed music in your videos to make your videos more personal and engaging.
Add/Embed Subtitles: Add or embed subtitles to your videos to make them easier for viewers to understand and read.
Fast and easy to use: The application interface is simple and intuitive, and the operation is quick and convenient.
Import and export files: Import audio/video files from your photo library, music library, iCloud or iTunes file sharing and export/share the converted files to other apps or devices.
File Browser: In-app file browser, you can search, preview, rename and delete audio and video files, making it easy to manage and organize files.
Built-in media player: Built-in universal media player supports playing almost all audio or video formats.
Multiple output formats: Convert video files to MP4, MOV, GIF, OGG, WEBM, MKV (H.264), MKV (H.265), MPG, WMV, M2TS, AVI and other formats.
Multiple output formats: Convert audio files to MP3, M4A, AAC, OGG, WAV, FLAC, WMA, AIFF, CAF, ADX, OPUS and other formats.

Subscription plan:
Monthly plan: $2.99/month (3-day free trial available)
Annual plan: $9.99/year (3-day free trial available)
Lifetime plan: $19.99

Subscription services:
Your subscription will automatically renew unless you turn off auto-renew at least 24 hours before the end of the subscription period.
If you purchased a free trial period and did not use it in full, we are sorry that this part of the time cannot be retained.
Once your subscription is confirmed, payment will be processed safely and securely through your iTunes account.
In the last 24 hours before the end of the subscription period, the subscription will be automatically renewed and the renewal fee will be charged.

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