Technology: Piezo, Type: General Purpose, Frequency Range: 500Hz ~ 10kHz, Frequency - Self Resonant: 900Hz, Efficiency - dBA: 78.00,
Technology: Piezo, Type: General Purpose, Frequency Range: 500Hz ~ 10kHz, Frequency - Self Resonant: 1050Hz, Efficiency - dBA: 76.00,
Technology: Piezo, Type: General Purpose, Frequency Range: 500Hz ~ 10kHz, Frequency - Self Resonant: 1250Hz, Efficiency - dBA: 73.00,