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Question:

What is Outdoor capability on Control HST?

Answer:

It is enhanced by the painted aluminum grille that eliminates rusting, ABS with 10% Glass Fill cabinet, and weather-resistant drivers.  The speaker is sealed-type (non-ported). 

Environmental: IP54 per IEC529. Exceeds Mil Spec 810 for humidity, salt spray, temperature & UV, and ASTM G85 for salt spray.