Ef staðsetning þín er ekki skráð skaltu velja eitt af eftirfarandi:
TDK Corporation
AUDIO PIEZO TRANSDUCER 30V TH. Audio Indicators & Alerts Round 17mmx8mm 2 kHz Vin=3V
AUDIO PIEZO TRANSDUCER 30V TH. Audio Indicators & Alerts Round 12.2mmx6.5mm 4kHz Vin=3V
Soberton Inc.
AUDIO MAGNETIC XDCR 4-6V TH.
AUDIO MAGNETIC XDCR 9-15V TH.
AUDIO MAGNETIC XDCR 2-5V TH.