All you need to do is import your favorite music from iPod music library, various audio files, etc., and tap the pad!
According to your preference, you can use S4-Pad in many ways such as the following:
- Making sound effects
- Using as drum pads
- Using as an acoustic device in stage

Features
- Available 256-patterns audio files (16 pads x 16 banks. For iPhone and iPod Touch: 9 pads x 9 banks = 81 patterns)
- This app allows you to make backup/restore 256-patterns audio files up to the limit of your storage device.
- Each pad allows you to...
>select three patterns of Play mode
>trim the position to play
>set loop mode
>set fade-in, fade-out (Only when loop mode is invalid)
>set volume and pan
>set Mute Group
- You can import various audio files from iPod music library and iTunes. In addition, you can import audio files from AudioPaste into pad.

- Each effect
>Reverb, Delay, Distortion, Low Pass Filter, Varispeed

- Others
>CoreMIDI is supported(MIDI in only)
>Supported background playback.