- B1 FOUR has over 60 built-in effects.
- 9 amplifier models.
- Up to 5 different effects can be used simultaneously.
- Built-in expression pedal.
- Built-in looper of 30 seconds/ 64 beats with CD quality.
- Zoom Guitar Lab software for editing sounds.
- 68 built-in drum beats.
- 50 memory locations for your own settings.
- Built-in tuner.