HCM1201X : 1.5V, <=20mA, >=75dB, 2300Hz
HCM1203X : 3V, <=30mA, >=85dB, 2300Hz
HCM1205X : 5V, <=30mA, >=85dB, 2300Hz
HCM1206X : 6V, <=30mA, >=85dB, 2300Hz
HCM1212X : 12V, <=30mA, >=85dB, 2300Hz