MLA3, M421, M88, and FM850 (McCauley by MAGA Sound) were used at the Satsop River Rock Festival. The system included 24 MLA3 line array speakers, 4 M421 subwoofers, 14 FM850 stage monitors, and 18 M88 subwoofers.
MLA3 line array speaker (2x12" + 2x8" + 2x3"; frequency response: 50–18kHz; horizontal coverage angle: 90°; peak SPL: 139dB).
M421 subwoofer (4x21"; frequency response: 20–85Hz; peak SPL: 155dB).
M88 subwoofer (2x18"; frequency response: 35–150Hz; peak SPL: 138dB).