Mobile Electronics AU | Rules & Classes

Rules & Classes

MEA's BASS BATTLE competition is a fair and unbiased judging format used to compare a competitor's car audio system's sound pressure level, measured in decibels (dB).

The BASS Battle competition format is the intellectual property of Mobile Electronics Australia (MEA), however permission is given for the format to be used by any individual, store or organisation. Only events organised in advance with the written permission and in conjunction with MEA will be recognised as official events for the purpose of records and official results.

Above all else, BASS BATTLE competition should be fun and rewarding for the competitor and bring together enthusiasts in a friendly, competitive, non-biased environment.

Woofers - Maximum (n) of 15" (1) or 12" (2) or 10" (4) or 8" (6)
Batteries - Maximum of 1 battery. ^
Amplifiers - Maxiumum of 1 per subwoofer.

Class restricted to first competition season competitors only. At the Head Judges discretion, competition vehicles designed and built / assisted by experienced competitors may be bumped to a higher class or category.

Woofers - Maximum of 12" (1) or 10" (2) or 8" (3)
Batteries - Maximum of 3 batteries. ^
Amplifiers - Maximum of 2 per subwoofer.

Woofers - Maximum of 15" (1) or 12" (2) or 10" (4) or 8" (6)
Batteries - Maximum of 3 batteries. ^
Amplifiers - Maximum of 2 per subwoofer.

Woofers - Maximum (n) of 18" (1) or 15" (2) or 12" (4) or 10" (8) or 8" (12)
Batteries - Maximum of 5 batteries. ^
Amplifiers - Maximum of 2 per subwoofer.

Woofers - Maximum (n) of 18" (2) or 15" (4) or 12" (8) or 10" (16) or 8" (24)
Batteries - Maximum of 5 batteries. ^
Amplifiers - Maximum of 2 per subwoofer.

Woofers - Unlimited
Batteries - Unlimited number and voltage.
Amplifiers - Unlimited.

Woofers - Unlimited.
Batteries - Unlimited number and voltage.
Amplifiers - Unlimited.

Restricted to first competition season competitors.
Head Judge may use discretion to bump a competitor if it is believed the competitor has an unfair advantage through the assistance of a more experienced competitor / system designer.

Tones & Music are permitted, Peak Hold Competition Type.
All subwoofers and enclosures must adhere to the "B" Pillar guidelines.
No "walls" permitted.
Rear seats may be folded, but not removed.
Doors must be shut during competition, however windows may be open.
Podiums are not permitted.

Tones & Music are permitted, Peak Hold Competition Type.
All subwoofers and enclosures must adhere to the "B" Pillar guidelines.
No "walls" permitted.
Front / Rear seats may be folded during competition.
Rear seats may be removed.
Doors must be shut during competition, however windows may be open.
Podiums are not permitted.

Tones & Music are permitted, Peak Hold Competition Type.
All subwoofers and enclosures must adhere to the "B" Pillar guidelines.
"Walls" are permitted.
Front / Rear seats may be folded / removed during competition.
Doors must be shut during competition, however windows may be open.
Podiums are permitted.

Exhibition class designed for demo cars, testing or non-traditional vehicles.
There are no restrictions in this class.
Scores in this class are not eligible for Overall Australian Record.

"Wall"- If the enclosure extended to the roof of the vehicle via the use of trim panels or enclosure edges it will classified as a 'wall', regardless if it is sealed or not. Subwoofer enclosures are permitted to extend beyond the window line however judges discretion will apply as to the determination of a 'wall'.
All batteries must be securely mounted.
External venting is permitted only via the vehicle's front windows.
'B-Pillar Rule' - No part of the subwoofer enclosure, amplifiers and/or batteries may extend or be located forward of the leading edge of the B-Pillar. A string test may be performed by judges to verify compliance with this rule.
Exception - Source unit located in the vehicle cabin. Battery located in the engine bay.
Vehicles are permitted to be running during competition. Engine RPM must not exceed 2000RPM. At some events, vehicles may not be permitted to have the engine running.
SPL Testing sensor will be located 300mm across from the passenger side "A-Pillar" and 100mm up from the top of the dashboard.
There are no restrictions on the music used for competition. If one competitor used Lady Gaga and another uses Bass Mekanik then one was simply better prepared.
All vehicles must drive into and out of the competition lanes under their own power. Jump starting of vehicles is not permitted. The vehicles must be started by batteries contained within the vehicle. Judges discretion will be applied where necessary.
The use of battery chargers is permitted between competition runs provided they are safe.
^ Battery Clarification - It is intended that competitors use 12 Volt batteries designed for automotive use, or a combination of batteries with an overall nominal voltage no more than 14V.
The floating voltage should not exceed 14.9 Volts at any time.
Any illegal, dangerous or unsportsman like behaviour will result in immediate disqualification and may result in ejection from the event and banning from further events.
.

All competition vehicles must comply with the following:

Cable runs must be considered 'safe' by the event judges, including adequate cable gauge. BASS Battle encourages the use of fuses on main power feeds.
Any cables passing through metal must make use of grommet or form of insulation.
All positive terminals and connections should be insulated / covered.
All components within the audio system must be securely mounted.
BASS Battle encourages the installation of a fire extinguisher within the vehicle. This rule will be compulsory at National Finals events.

Due to the nature of social media and the various mediums available to communicate, questions or clarifications on rules and classes will only be answered on the official BASS Battle Discussion Forum on the Mobile Electronics Australia website. It should not be expected to receive an answer to your question on Facebook or any other medium.
Questions relating directly to event entry, registration, hosting or other matters can be directed at your state organiser from the contacts page.
In the event of a dispute, you should keep the matter private and raise it directly with the BASS Battle National Manager as soon as possible. Issues raised first in public or on social media will not be investigated or considered.

Official 2013 Rule Discussion and Clarification Thread.

00007021