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# selectedAudioInputDevice$

> Observable of the currently selected audio input device.

```ts
get selectedAudioInputDevice$(): Observable<MediaDeviceInfo | null>
```

Observable of the currently selected audio input device.

## selectedAudioInputDevice

```ts
get selectedAudioInputDevice(): MediaDeviceInfo | null
```

Currently selected audio input device, or `null` if none.

## **Examples**

```ts
client.selectedAudioInputDevice$.subscribe((selectedAudioInputDevice) => {
  console.log('selectedAudioInputDevice:', selectedAudioInputDevice);
});
```

> Observable of the currently selected audio input device.