WPS-4000 Series

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WPS-4000 Series
Company Whelen Engineering
Wattage WPS4003:
Tone: 1200 Voice: 1500
WPS4004:
Tone: 1600 Voice: 2000

The WPS-4000 Series is a line of electronic sirens produced by Whelen Engineering. It comes in two models, the WPS4003 and WPS4004, which look exactly they same. The only difference between the two models is that one has three speaker dirvers while the other has four, which the last number of the models stands for.

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