Announced today by ISL Products International Ltd., a company in value-added manufacturing and engineering services for electronic/electromechanical components, is 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 […]