Audio Switch : Output Changer

Audio Switch: Output Changer helps you quickly manage audio output on Android. Switch between Bluetooth audio, wired headphones and the phone speaker from the app, notification controls or an optional floating control.

🔊 Audio Output Switcher

Quickly switch between available audio outputs:

• Bluetooth audio devices
• Wired headphones
• Phone speaker
• Change audio output from the app
• Access audio controls from notifications

Available audio outputs depend on your device and connected audio hardware.

🪟 Floating Audio Controls

Use an optional floating control for quick access to audio switching.

• Switch between available audio outputs
• Access audio controls without reopening the app
• Quickly access Bluetooth, headphone and speaker options

🔔 Notification Controls

Control audio output directly from the app notification.

• Switch audio without reopening the app
• Quickly access available audio outputs
• Keep audio controls accessible while the service is active

📞 Auto Call Audio Switch

Manage call audio when an incoming call is detected.

• Choose Phone Earpiece or Connected Audio Device
• Display a call-audio control popup
• Change the available call audio mode from the popup

Call-audio behavior may vary depending on your Android version, device manufacturer and device capabilities.

🎧 Sound Test

Test stereo channels and voice playback with built-in audio tests.

• Test the left channel
• Test the right channel
• Test both channels
• Adjust left and right channel volume levels
• Perform a voice speech test

🎚️ Equalizer

Adjust available equalizer controls for supported audio use.

• Use equalizer controls
• Optional floating equalizer
• Vibration feedback while adjusting controls
• Reset equalizer settings whenever needed

Equalizer behavior may vary depending on your device and Android audio implementation.

🔐 Permissions

FOREGROUND_SERVICE
Used to run the Audio Switch Service as a user-visible foreground service while the service is active.

FOREGROUND_SERVICE_MEDIA_PLAYBACK
Used for the service's declared media playback foreground-service functionality where applicable.

READ_PHONE_STATE
Used to detect incoming calls for the Call Audio Auto Switch feature and provide the configured call-audio control.

POST_NOTIFICATIONS
Used to display service and audio-control notifications.

BLUETOOTH_CONNECT
Used to connect to and manage supported Bluetooth audio devices.

BLUETOOTH_SCAN
Used to discover supported nearby Bluetooth audio devices.

📱 Device Compatibility

Available audio outputs depend on your device and connected audio hardware. Bluetooth features depend on supported Bluetooth profiles and devices. Wired audio depends on your phone and connected hardware. Call-audio controls may vary by Android version, manufacturer and device. Equalizer behavior may also vary between devices.

Switch, test and manage your audio features from one convenient place.