Stereo Microphone 4+

Use your iPhone/iPad as a microphone and output sound to headphones or speakers. You can also use it to record audio instead of playing sound.
The app comes with four built-in effects. Stereo input is available on compatible devices only.

The microphone on the iPhone is positioned vertically, so by using it in landscape orientation, you can experience a greater sense of stereo sound.

Please note that this app was created just for my personal use, and I cannot guarantee its performance on devices I do not own.

Voice preprocess:
- System Voice Processing
- Noise Reduction
- Auto Gain Control

Included effects:
- Pitch shifter
- Chorus
- Reverb
- 10-band equalizer

Supported devices with stereo input (unconfirmed):
- iPhone XS or later
- iPhone SE 2nd generation or later
- iPad Pro 11-inch 1st generation or later
- iPad Pro 12.9-inch 3rd generation or later

Recording file formats:
- MPEG4 AAC 44.1kHz 192kbps Stereo (.m4a, Up to 24 hours)
- MPEG4 AAC 48kHz 192kbps Stereo (.m4a, 24h)
- MPEG4 AAC 44.1kHz 96kbps Stereo (.m4a, 24h)
- MPEG4 AAC 32kHz 64kbps Stereo (.m4a, 24h)
- PCM 44.1kHz 16bit Integer Stereo (.wav, 6h)
- PCM 48kHz 16bit Integer Stereo (.wav, 6h)
- PCM 44.1kHz 32bit Float Stereo (.wav, 3h)
- PCM 48kHz 32bit Float Stereo (.wav, 3h)

If you are using an external stereo microphone, please set the input channel to stereo in the settings.

Please note that the screenshots are simulated images. The actual display may differ.