Si kote ou pa nan lis la, tanpri chwazi youn nan sa ki annapre yo:
TDK Corporation
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.
AUDIO MAGNETIC XDCR 1.4-2V TH.