D4169 – How to Factory Reset and Reconnect Your Headphones
If your D4169 headphones will not reconnect to the transmitter, a factory reset may help.
Important: The D4169 set includes three devices. Reset each device separately using the steps below.
Step 1 – Reset the Audikast Transmitter
- Turn ON the transmitter.
- Press and hold the + and − buttons together for 7 seconds.
- Release when both Bluetooth LEDs turn PINK, then turn OFF.
PINK LED – Reset complete
The transmitter will enter pairing mode automatically.
Flashing RED and BLUE
– Pairing mode
- Turn OFF the transmitter.
Step 2 – Reset the NB16 Neckband Headphones
- Turn ON the NB16 headphones.
- Press and hold the + and − buttons together for 10 seconds.
- Release when the LED turns PINK for 2 seconds.
PINK LED – Reset complete
Flashing RED and BLUE
– Pairing mode
- Turn OFF the headphones.
Step 3 – Reset the AS9S Over-Ear Headphones
- Turn ON the AS9S headphones.
- Press and hold the + and − buttons together for 10 seconds.
- Release when the LED turns PINK for 2 seconds.
PINK LED – Reset complete
Flashing RED and BLUE
– Pairing mode
- Turn OFF the headphones.
Step 4 – Reconnect Your Headphones
After resetting all three devices:
- Turn OFF Bluetooth on nearby phones, tablets, and TVs previously paired with the headphones.
- Turn ON the Audikast transmitter.
- Turn ON both headphones.
- Wait 5–10 seconds for them to reconnect.
Solid BLUE LED on the transmitter and headphones – Connected
You may also hear "Connected" from the headphones.
Still Not Connecting?
If the headphones do not reconnect automatically, you may need to pair and lock them again.
Something Doesn't Look Right?
If your headphones still will not reconnect, contact Avantree Support. Tell us whether the issue affects the transmitter, NB16, or AS9S headphones.
Contact Avantree Support →
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