Up Volume Booster: 3D立體環繞音量放大‪器‬ 4+

Up Volume Boost - Bass Boost is an amazing audio enhancer that can maximize your phone's volume to an astonishing 1000%! It also provides you with better sound quality no matter where you are!

You can select the desired audio or video directly from your device and improve its sound quality by using the Volume Booster and Bass Booster buttons, further customizing your music listening experience to suit your preferences! You'll immediately get clearer and more powerful bass sounds. For an optimized music listening experience, we recommend using headphones or external speakers.

Features:
- Directly upload music from your gallery or files.
- Powerful Volume Booster: Maximizes the enhancement of your sound quality and music experience.
- Powerful bass booster: Adjust the bass intensity according to your preferences, enjoying a customized music listening experience.
- Increase volume while ensuring no distortion.
- Maximum volume visualizer, can be your best choice!
- No complicated operations, very simple and intuitive interface, providing a strong feeling.


Friendly Reminder:
Playing audio at high volume may damage your hearing or speakers. We recommend increasing the volume gradually to obtain the appropriate volume.


Download and experience Up Volume Boost - Bass Boost now, making the sound on your phone effortlessly more powerful!

We offer multiple subscription options for you:
- $2.99/week
- $7.99/month
- $29.99/year

• Payment will be charged to iTunes Account at confirmation of purchase.
• Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
• Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.
• Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.
• Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.

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