Battery Qty – Maximum number of batteries permitted
Battery Size – Physical size limits for each battery in cubic inches
Maximum Conductors – Maximum number of electrical conductors between the amplifier(s) and the sub enclosure.
A normal speaker wire is composed of two conductors; 1 for positive and 1 for negative.
Normal Use – Normal use restriction applies
Podium – Podium use permitted
Power - When amplifier power limits are specified, the dBDRA will use Term-LAB to verify compliance during competition.
Run – Vehicle may be running during competition (Maximum RPM is limited to 2000.)
Standard Battery – 12-volt, 6-cell (connected in series), lead-acid or gel-type battery.
Trunk Vehicle - A vehicle with a closed compartment that is separate from the passenger compartment. Sedans are a good example of a trunk vehicle because the trunk area is separate from the passenger compartment and a steel trunk lid must be opened to access the trunk compartment.