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Bluetooth Loudspeaker (iOS version, also available for Android version)

Get Bluetooth Loudspeaker on Apple App Store Gte it on Google Play Store

App Icon, QR code for app download

app icon for Bluetooth Loudspeaker ver 1.0 QR code for Bluetooth Loudspeaker app download

Apple App Store Description:

Do you love to sing karaoke, or want to speak louder? If you have a portable bluetooth speaker, this app is a must have for your iPhone.

Bluetooth Loudspeaker is an app to amplify your voice output to your wireless connected bluetooth speaker. That is, your iPhone becomes the microphone and the bluetooth speaker becomes a remote loudspeaker. This also indirectly works as volume booster or megaphone for your speech.

How to use?

What can you do with a microphone and remote loudspeaker? Who needs this mic and remote loudspeaker? Some examples are:

- sing karaoke at home or anywhere,

- teaching in a classroom or lecture room,

- street performance,

- speaker in a large conference room,

- garage sale, outdoor sale, pop-up store sale, or other sales promotion,

- tour guide at the hot spot,

- outdoor activities,

- works as volume booster or megaphone for your speech,

- parties, exhibitions, celebrations and many more cases.

With this app, you have a wireless microphone on your hand!


New feature for version 2.0: access local device music to play (not yet for iCloud music) in the app. At the same time, your voice is boost using bluetooth speaker. That means, you can sing karaoke without leaving the app.

Read me first:

1. User must have a bluetooth speaker to use this app. Do NOT choose device internal speaker as output, since there will be some echo noise.

2. This app will NOT bluetooth or airplay connect to your remote speaker. User has to manually connect to the speaker (through Settings > Bluetooth). Then open this app.

3. When using this app to output voice to connected bluetooth speaker, user can put this app as background job and run another music app such as Apple Music (or any music app). To stop, go back to this app and tap the stop button.

4. This app does NOT support wired headset / headphone or bluetooth headset or line-out.

5. This app does not download or play your local or online mp3 music or video.



connect iPhone mic to bluetooth speaker mic gain control on screen, with music app access for karaoke
sing with internal music or YouTube or Spotify  



1.0 - May, 2019. First version.

2.0 - Aug, 2019.