EN-BTHT-5150R-V2.4

Duet Aura

Dual Auracast TV Headphones System

Interactive User Guide

Version 2.3.1

First Time Setup

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Main Menu

Main Menu

1. Before You Start

2. Get Sound from TV

3. Set TV Audio to PCM

4. Listen With Headphones

5. Advanced (Optional)

6. Power, Buttons & Indicators

8. Register & Support

7. Troubleshooting

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1. Before You Start

TV Listening + Public Broadcast + Phone Calls — All in One

• Listen to TV audio via Auracast broadcast (no pairing needed)
• Headphones can also connect to phone/PC via Bluetooth

Auracast TV Earbuds + Transmitter

• No pairing needed, just turn on and listen

• Transmitter uses Auracast — not regular Bluetooth
• Earbuds support 2 modes: Auracast (with base) & Bluetooth (with phone )

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2. Get Sound from TV

2.1 Power Up Transmitter

❶ Place the transmitter near your TV.

❷ Use the included USB-C cable to connect to power (5V, 1A~2.4A). ❸ Turn it ON.

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2.2 Connect to TV

Find your TV port, then choose the matching cable (You only need ONE)

a. Optical

(Recommended)

→ Use the optical cable:

b. AUX (3.5mm)

→ Use the AUX cable:

c. Only HDMI port?

→ Use HAX06 (HDMI to Optical adapter)

Not sure? → Send us a photo of your TV ports

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A. Connect Using Optical

❶ Plug in the optical cable. ❷ Set Input Selector to OPT.

Using a soundbar with HDMI ARC? Unplug it before setting up Optical.

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C. Connect Using AUX

❶ Plug in the AUX cable. ❷ Set Input Selector to AUX. ❸ Set audio output on your TV to Headphones.

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3. Set TV Audio to PCM

Use your TV remote

On your TV:

❶ Press Settings ❷ Go to Sound /Audio ❸ Adjust Audio Output:

• OPT → Optical
• HDMI → Turn off eARC

Digital Format: PCM (Must Use)

• Not set to PCM? → NO SOUND
• Need help setting PCM?→ Choose your TV brand

• → See how to turn off eARC

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Select your TV to see exact steps

LG

Samsung

Sony

TCL

Hisense

VIZIO

Panasonic

Philips

Sharp

Roku

Not seeing your TV brand?Search or ask AI: TV brand + model set PCM

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4. Listen With Headphones

Slide the headphones switch to ON and place them near the dock. Joined: LED turns solid orange.

• No sound after resuming playback?Fix: Turn the transmitter OFF and ON again.

• → Play through TV speakers and headphones together

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5. Advanced (Optional)

Explore more ways to use Duet Aura.

Popular

Use as Bluetooth Headphones

Dual Mode (Never Miss a Call)

Add More Headphones

Use With Hearing Aids

Private Mode (Coming Soon)

Soundbar + Headphones Together

More Features

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5.1 Use as Bluetooth Headphones

Connect to phone / PC via Bluetooth.

Turn OFF transmitter

Switch on headphones（LED blinks red & blue.

If not, hold the power switch to Pair with Phone for 3s

Select Aria Aura

Turn on Phone /PC Bluetooth

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5.5 Add More Headphones

Listen together with multiple devicesvia Auracast.

a. Add more Aria Aura

b. Works with other Auracast devices (examples below)

Aura Clip

Infinity NC

ShareCast Solo

Pebble Aura

How to join:

• Avantree devices Just turn on and listen.
• Other brands (JBL, Samsung, etc.) use their companion app.

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5.6 Private Mode (Coming Soon)

Private mode (encrypted Auracast) is coming soon.

• Will be added via a simple DFU
• Once available, we'll notify you.
• Stay informed → Register your product

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6. Power, Buttons & Indicators

6. Power, Buttons & Indicators

6.1 Power & Charging

• Use the dock or USB-C cable (5V, 1-2.4A).
• Charging: LED stays solid red.
• Fully charged: LED turns off (~2h).

• Playtime: Up to 35 hours.

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8. Register & Support

Register Your Product

Extended warranty & get updates.

Get 24M Warranty

Need help? Contact Us

support@avantree.com

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Email

Call

USA (Toll Free)

+1 800 232 2078

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