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Audio / Microphones

For the higher-end ETS-brand microphones:

- If the camera is non-POE, 12v: Use ETS SM2 + SM1 series Microphones, cut off AC transformer to piggy-back power.

- If the camera is non-PoE, 24v: Use ETS SM2 + SM1 series Microphones, plug AC transformer into wall.

- If the camera is PoE: Use ETS SMEA-1 + SM1 series Microphones.

- If you are using a DVR the SM2 is placed near the DVR. You use the provided AC adapter.

If the camera is IP, the SM2 does not have to be used. 

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