Regulations.

The rules are as follows:

• You can decide what music is being played, test tones are also allowed.
• The measurement takes 30 seconds. So pay attention to the timer expiring
• Tryto make as much possible noise with the sub(s).
• Everything is allowed, Windows open/close, doors open/close, singing along with 20 people in the car.
• As long as you dont touch sensor.
• The sensor is placed on the front windshield passengers side.

Class layout:

Light:

• Max 1×10 ", 2x8" or 3×6.5 "(subwoofers) behind the rear seat.
• The rear seat must be present and must be able to be locked.
• The rear seat be folded down during the measurement.
• Amplifiers may be located anywhere in the car.

Medium:

• Max 1×12", 2×10", 3×8" or 4x6.5" (subwoofers) behind the rear seat.
• The rear seat must be present and must be able to be locked.
• The rear seat may be folded down during the measurement.
• Amplifiers may be located anywhere in the car.

Heavy:

• Max 1×15", 2×12", 3×10 ", 4×8" or 5x6.5" (subwoofers) behind the rear seat.
• The rear seat must be present and must be able to be locked.
• The rear seat be folded down during the measurement.
• Amplifiers may be located anywhere in the car.

Extreme:

• Anything greater than above, but still below half of the rear side windows and behind the rear seats.
• Amplifiers may be located anywhere in the car.

No Wall:

There is no rear seat, the subwoofer box may be built into the B-pillar.

But the subwoofers and subwoofer box are still below half of the rear side windows.

Wall:

When the subwoofer and / or subwoofer box exceeds half of the rear side windows.

Participation is at your own risk.

The results are stored and later come to be here on the site and on Facebook.