40W Loud Hailer Horn with Swivel BracketGets your point across with up to 40 watts power handling capacity. This speaker also supports a loud-hailer listen-back function. It is made of high impact white plastic and includes a tilt mount bracket.Features:. Measures 7" wide x l3" deep. 8-ohms, 40 Watts @ 400 Hz. Frequency Response: 250 Hz to 8 KHz. Operating temperature range: -40 to +176 degrees F (-40 to +80 C)