How to Factory Reset / Clear Pairing History of the HT4189 – Avantree Support

Turn Bluetooth OFF on nearby devices before resetting.

Phones, tablets, computers, Smart TVs, and other Bluetooth devices can interfere while the HT4189 is resetting and reconnecting.

Reset Both Parts of the HT4189

The HT4189 includes the Audikast Plus transmitter and AS9S headphones. Reset each device separately.

The original transmitter and headphones are factory paired and locked. Resetting clears pairing history with other devices, but does not remove the original factory lock.

Which buttons do I press?

Reset the transmitter first, then reset the headphones.

Audikast Plus Transmitter

+ + −

Press and hold both buttons together for 7 seconds.

No + / − buttons?
Press and hold 1 / A and 2 / B together instead.

AS9S Headphones

+ + −

Press and hold both buttons together for 10 seconds.

Reset the Audikast Plus Transmitter

Do this first.

Turn the transmitter ON.

Make sure the Audikast Plus transmitter is powered on before starting the reset.

Press and hold + and − together for 7 seconds.

Press and hold together

+ + − 7 seconds

If your transmitter does not have + / − volume buttons, press and hold 1 / A and 2 / B instead.

Watch both Bluetooth LEDs.

Both Bluetooth indicators will light up PINK and then turn off.

PINK, then OFF = reset successful.

Wait for the transmitter to enter pairing mode.

The Bluetooth indicator next to 1 / A will begin flashing red and blue.

Flashing RED & BLUE = pairing mode.

Turn the transmitter OFF before resetting the headphones.

Reset the AS9S Headphones

Reset the headphones after the transmitter.

Turn the headphones ON.

Make sure the headphones are powered on before continuing.

Press and hold + and − together for 10 seconds.

Press and hold together

+ + − 10 seconds

Keep holding until the LED appears PINK for 2 seconds.

The red and blue LEDs come on together, which appears pink. This confirms that the headphone pairing history has been cleared.

PINK for about 2 seconds = pairing history cleared.

Wait for the headphones to enter pairing mode.

After the reset, the headphone LED automatically begins flashing red and blue alternately.

Flashing RED & BLUE = pairing mode.

Turn the headphones OFF after the reset.

Reconnect the HT4189

Once both devices have been reset, turn them back on and allow them to reconnect automatically.

Turn on the transmitter.

Power the Audikast Plus transmitter back on.

Turn on the headphones.

Wait about 5–10 seconds for them to reconnect.

Solid BLUE on both devices = connected. You should also hear “Connected” through the headphones.

Still Not Reconnecting?

If the transmitter and headphones do not reconnect automatically, manually pair, connect, and lock them together again.

Pair, Connect & Lock the HT4189

Still Having Trouble?

Tell our support team whether the problem is with the Audikast Plus transmitter or AS9S headphones and what LED pattern you see.

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