Typhoon Wall
- 30 second average
- 20–29 Hz
A 30 second musical average class. Music must be played and must peak between 20 and 29 Hz. The sensor goes anywhere in front of the OEM front seat location.
- Class type
- Demo
- Build type
- Wall
- Format
- 30 second average. The meter averages the reading over 30 seconds of play. Most average classes require music.
- Frequency
- 20-29 Hz (music only)
- Music
- Music only
- Sensor and vehicle
- Anywhere in front of OEM front seat
- Scoring
- Average SPL
- Extreme builds
- Not allowed