AKG HSC 150 SR/OC Modo De Empleo página 7

4. Cable
The HSC 150 SR/OC uses an unterminated cable. The
microphone and earphone wires are color coded as
follows:
Microphone
Red: audio and supply voltage (1.5V to 10 V)
Shield: ground
Earphone
White: audio
Shield: ground
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