HORNS - 2 X JBL Horns with 2381 Lens' and 2445 J, 2" Compression Drivers, in Each Plywood Cabinet.
MIDRANGE - 2 X 3/4" Plywood Cabinets with 2 x 15"- 2220 J - JBL Speakers in Each Cabinet.
BASS BINS - 2 X 3/4" Plywood Cabinets with 1 x 15" - EV - EVX 150, 1000 Watt Program Power Handling Capacity @8 Ohms Speaker in Each Cabinet.
Can be Heard Working.