The A9 WiFi Mini Camera may support live listening, video recording with sound, and, on some variants, two-way talk. Available controls depend on the camera version and the app used with it.
Audio Controls

Before Using Audio
The camera should already be powered, connected, and visible in its app before you adjust listening or microphone features.
[checklist] * Camera is powered and connected * Live view opens normally * Device media volume is at a comfortable level * Required app permissions have been reviewed * Audio use is appropriate for the monitored area [/checklist] [warning] Voice recording can be subject to stricter privacy and consent rules than video. Use audio only where you have permission and where recording is lawful. [/warning]Privacy and Consent
- Check the rules that apply where the camera is being used. Consent requirements for audio recording can vary by location.
- Avoid capturing private conversations where people reasonably expect confidentiality.
- Inform people when appropriate if audio monitoring or recording is active in a shared room, workspace, or visitor area.
- If audio is not needed, disabling it can reduce unnecessary collection of conversations.
App Permissions

The companion app may request permissions related to audio or saved recordings.
- Microphone access: usually needed when talkback sends your voice from the mobile device to the camera.
- Storage or media access: may be used when recorded clips are downloaded or saved on the mobile device.
Listen During Live View
When the A9 WiFi Mini Camera is connected through its local connection or a home Wi-Fi network, listening controls are commonly available on the live-view screen.
[step] 1. Open the camera app and select the A9 WiFi Mini Camera 2. Open Live View or Preview 3. Find the speaker, sound, or mute control 4. Enable the control to hear sound captured by the camera microphone 5. Disable or mute it when you no longer want live listening [/step]Turning off the listening control normally stops sound playback on the mobile device while video continues. This does not necessarily mean the camera microphone itself has been disabled.
Some apps separate the two audio directions:
- Listening: camera to mobile device.
- Talkback: mobile device to camera.
Record With or Without Sound

Depending on the camera and app, recordings may include an audio track or be saved as silent video. The relevant option may appear under recording, sound, or storage settings.
[step] 1. Open the camera in the app 2. Open the available recording or storage settings 3. Look for an option such as Record Audio, Audio Recording, Enable Sound, or a similar control 4. Enable it when recorded clips should include sound 5. Disable it when silent video is preferred [/step] [compare] Audio On | Adds sound context such as voices, doors, alarms, barking, knocks, or other noises when supported Audio Off | Keeps recorded video silent and can reduce unnecessary capture of conversations [/compare]Sound can be useful where audio adds meaningful context, such as an entry area or another permitted monitored space. Silent recording may be more appropriate when visual information alone is sufficient or when privacy considerations make audio unnecessary.
Playback Volume and Microphone Placement
Many A9 mini-camera variants use a small built-in microphone without a user-adjustable hardware gain control. Listening quality can still be affected by playback volume, placement, obstacles, and background noise.
Playback Volume
- Adjust the mobile device's media volume while using live view or playback.
- If the app provides its own volume control, check that it is not set too low.
- Silent or vibrate settings do not always control media volume, so verify the media level separately when sound is quiet.
Microphone Placement
- Place the camera closer to the sound source when clearer audio is needed.
- If you can identify the microphone opening, orient that side toward the main activity area.
- Keep the microphone area clear of fabric, stickers, thick decorations, drawers, cushions, or other objects that can muffle sound.
- Avoid placing the camera beside continuous noise sources such as fans, loud appliances, or open windows facing heavy traffic.
Two-Way Talk
Some A9 WiFi Mini Camera variants may include a speaker for talkback. If supported, the live-view screen may show a Talk, Intercom, or Microphone control.
[step] 1. Open Live View 2. Find the Talk, Intercom, or Microphone control 3. Press and hold or tap the control according to the app design 4. Speak at a normal volume into the mobile device 5. Release or disable the control when finished if the app uses press-to-talk [/step]- Speaking very loudly can make transmitted audio less clear.
- Keep the mobile device away from the camera during testing to reduce echo or feedback.
- If the camera speaker is present, keep its opening clear of surrounding objects.
- If no speaker is fitted to the camera variant, talkback may be unavailable even if similar controls appear in some app versions.
Audio With Motion Recording
Motion detection on this type of camera is generally based on visual change rather than sound. Audio settings mainly affect what you can hear when reviewing a motion-related recording.
[compare] Motion + Audio On | A recorded motion event may include both the visual event and accompanying sound Motion + Audio Off | Motion detection can continue while the saved video remains silent [/compare]Audio may add useful context for events such as a door opening, a knock, a bell, breaking noise, or speech. In an area where sound adds little value, leaving recorded audio off may be more appropriate.
Basic Audio Checks
[troubleshoot] Problem: No sound during live view Cause: Listening may be muted, media volume may be low, the microphone opening may be covered, or audio may be disabled in the app Fix: Enable the listening control, raise media volume, keep the microphone opening clear, and review the available sound settings. Reopen the app or power-cycle the camera if needed. Problem: Sound is very quiet Cause: The camera may be far from the sound source, background noise may be competing with speech, or the microphone opening may be obstructed Fix: Move the camera closer, reduce nearby noise where practical, check that the microphone area is clear, and increase playback volume. Problem: Hiss, static, or crackling is noticeable Cause: Small microphones can produce some background hiss, and nearby electrical equipment or the power source may add interference Fix: Test the camera away from strong electrical interference, try another suitable charger, cable, or outlet if available, and restart the camera. Problem: Echo occurs during talkback Cause: The mobile device and camera may be too close together, allowing the speaker and microphone to feed into each other Fix: Increase the distance between them, lower playback volume slightly, or use press-to-talk mode if the app provides it. Problem: Audio and video are slightly out of sync Cause: Network delay and processing can affect timing Fix: Improve the Wi-Fi connection, reduce heavy network activity, or use a lower video quality or bitrate setting if the app provides one. [/troubleshoot]If audio has never been available on a particular A9 camera variant, the hardware or app configuration may not support that feature.
Privacy-Focused Setup
- Disable recorded audio in private or shared areas when it is not necessary.
- If scheduled recording is available, limit recording to the periods when monitoring is actually needed.
- Restrict access to the camera app and device controls.
- Review stored recordings periodically and remove old clips that are no longer needed, especially when they contain conversations.
- Remember that muting live playback and disabling recorded audio can be separate settings.
The camera can still provide useful visual monitoring when audio is disabled.