TABLE OF CONTENTS
- Quick Troubleshooting
- 1. Microphone Not Turning ON
- 2. Receiver Not Connecting
- 3. Microphone Stuck in Pairing Mode
- 4. No Audio During Recording
- 5. Background Noise Is High
- 6. Microphone Is Muted
- 7. One Microphone Is Not Working
- 8. Audio Range / Dropouts
- 9. Charging Problem
- Microphone
- Charging Case
- Still stuck?
Quick Troubleshooting
| Problem | Quick Fix |
|---|---|
| Mic not turning ON | Hold MFB for 3 sec or remove the mic from the case. |
| Receiver not detected | Reconnect the Type-C receiver firmly. |
| Mic not connecting | Remove both TX/RX from the case, reconnect RX and allow automatic pairing. |
| Red + blue blinking | Microphone is in pairing mode; wait for solid green. |
| No audio | Check receiver connection and recording app input. |
| Background noise | Single-click MFB to select a noise-reduction mode. |
| Mic is muted | Double-click MFB to unmute. |
| One mic not working | Reconnect the affected transmitter and check its battery. |
| Audio drops | Keep within 30m open-space range and reduce obstructions. |
| Mic battery low | Place the transmitter in the charging case. |
| Case not charging | Check the Type-C charging connection and power source. |
1. Microphone Not Turning ON
Remove the transmitter from the charging case.
If needed, hold the MFB for 3 seconds.
Check the LED.
If the battery is low, charge the transmitter.
2. Receiver Not Connecting
Remove the receiver from the phone.
Reconnect it firmly to the phone.
Remove the transmitters from the case.
Wait for the pairing process.
Solid green indicates successful connection.
3. Microphone Stuck in Pairing Mode
If the microphone shows alternating red and blue lights:
Keep the receiver connected.
Keep the transmitter close to the receiver.
Wait for automatic pairing.
Solid green indicates success.
If no connection is established within about 3 minutes, the transmitter automatically powers off.
4. No Audio During Recording
Confirm the Type-C receiver is connected.
Check that the phone/recording app is using the external microphone.
Check mute status.
Double-click MFB if the microphone is muted.
Make a short test recording.
5. Background Noise Is High
Press the MFB once to cycle through the noise-reduction modes:
| LED | Mode |
|---|---|
| Green | High-Fidelity |
| Blue | AI Noise Reduction |
| Purple | Deep AI Noise Reduction |
6. Microphone Is Muted
Double-click the MFB button.
| LED | Meaning |
|---|---|
| Red ON | Muted |
| Red OFF | Unmuted |
7. One Microphone Is Not Working
Put the affected transmitter into the charging case.
Allow it to charge.
Remove it again.
Reconnect the receiver if needed.
Check whether the transmitter reaches the solid-green connected state.
8. Audio Range / Dropouts
The specified transmission distance is up to 30m in open space.
For better performance:
Stay within the operating range.
Reduce physical obstructions.
Keep the transmitter close to the sound source.
9. Charging Problem
Microphone
Charging input: 5V/80mA
Charging time: approximately 1 hour
Charging Case
Input: 5V/320mA
Charging time: approximately 2 hours
Check the cable and charging connection if the expected charging indication does not appear.
Still stuck?
If the issue persists after performing all troubleshooting steps, please raise a support request.
Our support team will assist you further.
Support
Visit: www.portronics.com
Support Portal: support.portronics.com
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