Announced today by ISL Products International Ltd the PZ-94 harsh environment piezoelectric loudspeaker for broad frequency range applications. Ultra-thin, small, and lightweight, the piezo ceramic loudspeaker may be driven by low power. The speaker reproduces voice in the frequency response range of 450 HZ to 20 kHZ, and is tested to MIL–STD–810, method 509.1 (salt fog). The PZ-94 loudspeaker system features a […]