The HyperSpike MA-1 is a customizable, omni-directional high-power speaker array that broadcasts live and pre-recorded voice commands and tones over a 4 square mile area. Leading the industry in voice intelligibility, the MA-1 speaker design achieves an exceptional STI of 0.91/1.0, ensuring commands are clearly heard, even in high noise environments. The battle tested MA-1 comes with a waterproof, rugged, and UV-resistant enclosure- ensuring durability in harsh environments.