Fri Aug 10, 2007 12:44 am
This must be new from Whelen because they recently lowered the tone of their sirens, see the OKC siren videos. The original WPS 2900 series was deeper in tone than the WPS 2800 series. Does anyone know if it is just the WPS 2900 or do all the Whelen sirens have the 560 hz tone now?
Last edited by
Whelen Rules on Fri Aug 10, 2007 10:42 pm, edited 1 time in total.
Tyler Lund