The SpectrAlert Advance P4WK is a white, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
The X-DA1500 is a 500W Class-D amplifier specifically designed for the X-618 PAVA system. This innovatively-designed product can automatically detect power supply errors during operation, and protect