Audikast 4 - Bluetooth Headphones Not Pairing – Avantree Support

If your Bluetooth headphones or earbuds won't pair with Audikast 4, first make sure the transmitter is in Bluetooth Mode. Then check that both Audikast 4 and your headphones are actually in pairing mode.

What Are You Seeing?

Choose the problem that best matches what is happening.

Can't Enter Bluetooth Mode

Switch Audikast 4 to BT →

📱

Headphones Connect Elsewhere

Stop auto-reconnection →

🔴 🔵

Not Flashing Red & Blue

Enter pairing mode →

🔊

Connected, But No Sound

Go to no-sound guide →

⚠️ Bluetooth Mode and Pairing Mode Are Different

First, Audikast 4 must be switched to Bluetooth Mode. Then put it into Bluetooth Pairing Mode so it can search for your headphones or earbuds.

Step 1

Stop Automatic Bluetooth Reconnection

Temporarily turn Bluetooth OFF on nearby devices your headphones have previously connected to.

📱
Phone

📲
Tablet

💻
Computer

📺
Smart TV

Why? Bluetooth headphones often automatically reconnect to the last device they used. If this happens, Audikast 4 may not be able to pair with them.

Step 2 — Switch Audikast 4 to Bluetooth Mode

Before pairing Bluetooth headphones or earbuds, make sure Audikast 4 is in Bluetooth Mode.

SHORT-PRESS the Bluetooth Button

Press the Bluetooth button once to switch Audikast 4 into Bluetooth Mode.

First

SHORT PRESS

Switches to Bluetooth Mode

Then

PRESS & HOLD

Enters Bluetooth Pairing Mode

❓ Audikast 4 Won't Switch to Bluetooth Mode

1. Make sure Audikast 4 is powered on.

2. Short-press the Bluetooth button once. Do not hold it yet.

3. Wait a moment for the mode to change.

4. If it still doesn't change, turn Audikast 4 off and back on, then try again.

View Audikast 4 Buttons & Indicators

See where the Bluetooth button and indicators are located →

Step 3 — Put Audikast 4 Into Pairing Mode

Once Bluetooth Mode is active, press and hold the Bluetooth button until the Bluetooth LED starts flashing RED and BLUE alternately.

Look for this

↔

FLASHING RED & BLUE

Audikast 4 is searching for a Bluetooth device.

Not flashing red & blue?
Go back to Step 2 and make sure Audikast 4 is in Bluetooth Mode first.

Step 4 — Put Your Headphones Into Pairing Mode

Now put your headphones or earbuds into their own Bluetooth pairing mode.

🎧 How do I know they're in pairing mode?

Depending on your headphones, you may see a rapidly flashing LED, alternating colored lights, or hear a voice prompt such as “Pairing.”

Important: Simply turning your headphones on does not always put them into pairing mode.

Step 5 — Keep Them Close and Wait

Keep the headphones within a few feet of Audikast 4 while both devices are in pairing mode. Give them a few moments to find each other.

Pairing Successful

SOLID BLUE

Your headphones are connected to Audikast 4.

Still Not Pairing?

If Audikast 4 keeps flashing red & blue, try these checks in order.

1. Make Sure the Headphones Aren't Connected Elsewhere

Turn Bluetooth off on nearby phones, tablets, computers, Smart TVs, or other devices that have previously been paired with your headphones.

2. Make Sure the Headphones Are Really in Pairing Mode

Powering the headphones on may cause them to reconnect to a previously paired device instead of searching for Audikast 4.

Look for a flashing pairing indicator or listen for a “Pairing” voice prompt before continuing.

3. Move the Devices Closer

Place your headphones within a few feet of Audikast 4 while pairing.

4. Restart Both Devices

1. Turn your headphones off.

2. Turn Audikast 4 off.

3. Wait a few seconds.

4. Turn Audikast 4 back on.

5. Switch Audikast 4 to Bluetooth Mode.

6. Put Audikast 4 into pairing mode.

7. Put your headphones into pairing mode again.

5. Try a Wall USB Charger

If Audikast 4 is powered through the TV's USB port, unplug it and connect it to a wall USB charger instead. Then repeat the pairing process.

6. Reduce Wireless Interference

Temporarily turn off or move away from nearby Bluetooth or wireless devices that may interfere with pairing.

7. Last Resort — Reset and Try Again

If pairing still fails after completing the checks above, reset the devices and try again.

Headphones: Follow the reset instructions provided by the headphone manufacturer.

After resetting, remember the correct sequence: Bluetooth Mode first → Pairing Mode → Headphones Pairing Mode.

Quick Pairing Sequence

Bluetooth Mode → Audikast Pairing Mode → Headphones Pairing Mode → SOLID BLUE ✓

✓ Bluetooth LED is SOLID BLUE, But No Sound?

A SOLID BLUE Bluetooth light means your headphones are paired. If they're connected but you can't hear TV audio, the problem is no longer Bluetooth pairing.

Continue to Audikast 4 – Fix No Sound →

Still Can't Pair?

Contact Avantree Support and include the information below so we can identify where the pairing process is failing.

✓ Headphone / earbud brand and model

✓ Whether Audikast 4 can switch to Bluetooth Mode

✓ Whether the Bluetooth LED is flashing red & blue

✓ What the headphone LED is doing

✓ Whether the headphones can connect successfully to another Bluetooth device

Contact Avantree Support →

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