How to Pair the Earphones Again
Purpose of this page: Ensure that the left and right earphones are correctly paired with the charging case and with each other.
Applicable scenarios:
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Only one earphone has sound / left and right channels are out of sync
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Re-pairing is required after replacing an earphone
Method 1|Hardware Wireless Earphone Pairing
Before starting earphone pairing, make sure that:
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Set the S1 side switch to Enhanced Dynamic mode [Middle] or Condenser mode [Right] to power it on (microphone ON)
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Both left and right earphones are placed inside the charging case
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If only one earphone is inserted, or none are inserted, pairing cannot be performed
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The charging case lid is open
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Press and hold the “–” button on the charging case for 5 seconds
Method 2|Software Wireless Earphone Pairing
Before starting earphone pairing, make sure that:
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Set the S1 side switch to Enhanced Dynamic mode [Middle] or Condenser mode [Right] to power it on (microphone ON)
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Both left and right earphones are placed inside the charging case
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If only one earphone is inserted, or none are inserted, pairing cannot be performed
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The lid is open
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Open the HISONG Link app and go to the Settings page
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Tap Settings > Device > Pair Wireless IEMs to enter the pairing page
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Once pairing is successful, “Paired Successfully” will be displayed

Wireless IEMs are placed in the charging case and the case is open HISONG S1 is powered on After that, tap the button below to start pairing.
What can you do after pairing is complete?
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Wear both left and right earphones normally for monitoring
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Start connecting to your phone or other devices
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Proceed with recording, live streaming, or content creation workflows
⚠ Common Issues & Troubleshooting
Q: Can I pair the earphones with only one earphone in the case? A: No. Both earphones must be placed in the charging case to complete pairing.
