Harmony A1
Auracast Multi Speaker System
Interactive User Guide
Version 1.9.3
Start Setup
< Back
Main Menu
1. Before You Start
2. What's in the Box
3. Power & Charge
4. Use Multiple Speakers
5. Use Individual Speakers
6. Advance Setup
7. FAQ & Troubleshooting
8. Rate This Guide
9. Get Help & Updates
Next
Menu
< Back
1. Before You Start
Harmony A1 is an Auracast-based multi-speaker system using the latest Bluetooth technology for synchronized group listening.
- Scale up by adding more speakers or other Avantree Ecosystem products.
- Coverage: Up to 100 meters from transmitter to speakers (Keep phone close to transmitter as Bluetooth audio source).
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2. What's in the Box
✔ Harmony A1 speaker × 3
✔ Harmony A1 transmitter × 1
✔ 1.5M, 1A Power cable (for transmitter) × 1
✔ 1M, 3A Charging cable (for speaker) × 3
✔ 3.5 mm AUX audio cable × 1
✔ Optical audio cable (TOSLINK) × 1
✔ 2A USB adapter (for speaker) × 1
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3. Power & Charge
1. Transmitter
- No built-in battery - must stay connected to a power source (5V, 1A) using the provided 1.5M charging cable.
2. Speakers
- Charge via the provided adapter (5V, 2A) and 3 x 1M charging cables (5V, 3A).
Off = Fully charged (~3 hrs).
- Playtime: Up to 8 hrs (varies by volume).
- Auto off after 60 mins with no audio playback (even if a broadcast is joined)
- Can operate while charging for continuous use.
If you need the speaker to stay on in
standby while powered, please
contact us for support.
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4. Use Multiple Speakers
4.1 Connect Audio Source
Choose your audio source:
Bluetooth
Optical
AUX
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A. Bluetooth
❶ Connect transmitter to power. ❷ Slide power switch to ON. Phone LED blinks red & blue (pairing).
If not, hold for 3s to enter pairing.
❸ Turn on Bluetooth on phone/tablet, select "Avantree Oasis Aura". Phone LED solid blue = Connected
👉 If connection fails, tap FAQ for troubleshooting.
Keep phone/tablet within 50 ft (15 m) of transmitter to avoid signal dropouts.
Next
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4.2 Stream Audio
Start playing audio from the source.
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4.3 Use Speaker to Listen
❶ Turn on speaker → Enters Auracast mode (LED blinks orange) ❷ Wait ~2s.
If not, double-press MODE to switch.
Solid orange = Connected
× Blinking orange = Not connected
Connection may fail if the speaker is in Bluetooth mode or beyond 330 ft (100 m) line of sight. Tap FAQ for troubleshooting.
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B. Optical
❶ Connect transmitter to power. ❷ Slide power switch to ON. ❸ Press to switch to OPT input → OPT LED blinks red. ❹ Plug into transmitter (Optical) → TV (Optical Out).
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❺ Use your TV remote to adjust:
- Sound Output → Optical.
- Digital Audio Format → PCM.
👉 Not sure? Check our Brand-by-Brand TV Guide
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4.2 Stream Audio
Start playing audio from the source. OPT LED turns solid white when valid signal is detected.
Next
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4.3 Use Speaker to Listen
❶ Turn on speaker → Enters Auracast mode (LED blinks orange) ❷ Wait ~2s.
If not, double-press MODE to switch.
Solid orange = Connected
× Blinking orange = Not connected
👉 If not, tap FAQ for troubleshooting.
Speakers to Transmitter range: Up to 330 ft (100 m) with line of sight.
Next
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👉 If not, tap FAQ for troubleshooting.
Menu
< Back
C. AUX
❶ Connect transmitter to power. ❷ Slide power switch to ON. ❸ Press to switch to AUX input → AUX LED blinks red. ❹ Plug into transmitter (AUX) → TV (Headphones/Audio Out). ❺ On TV, set sound output to Headphones.
Next
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Menu
< Back
4.2 Stream Audio
Start playing audio from the source. AUX LED turns solid white, when valid signal is detected.
Next
Was this helpful?
Menu
< Back
4.3 Use Speaker to Listen
❶ Turn on speaker → Enters Auracast mode (LED blinks orange) ❷ Wait ~2s.
If not, double-click MODE to switch.
Solid orange = Connected
× Blinking orange = Not connected
👉 If not, tap FAQ for troubleshooting.
Speakers to Transmitter range: Up to 330 ft (100 m) with line of sight.
Next
Was this helpful?
Menu
< Back
5. Use Individual Speakers
5.1 Switch to Bluetooth Mode
❶ Turn on speaker → Auracast mode (LED blinks orange). ❷ Double-press MODE → Bluetooth mode (LED blinks red & blue).
Next
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5.2 Connect to Phone
On your phone, turn on Bluetooth, and select "Avantree Harmony A1". LED stays solid blue = Connected
Next
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6. Advance Setup
6.1 Use Microphone Input
For group speaking or events, enhance your Harmony A1 setup with a wireless microphone kit: Avantree FreeMic Duo or Simply connect the mic receiver to the transmitter’s AUX jack to broadcast your voice through all speakers.
Avantree FreeMic W
Next
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6.2 Add More Speakers
You can purchase multiple Harmony A1 Solo speakers to expand the system:
❶ Connect the speaker set. ❷ Power on the additional speakers → MODE LEDs blink orange (Auracast mode). LEDs stay solid orange = Connected
Next
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6.3 Extend Range
To expand your speaker coverage: ❶ Purchase an Auracast receiver. ❷ Connect it to your existing system to create a daisy chain and extend the wireless range.
Next
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6.4 Avantree Ecosystem
Avantree offers a full range of Auracast transmitters that stream audio wirelessly to multiple Auracast receivers such as speakers and headphones.
👉 Explore more Auracast devices ↗
👉 Check product compatibility ↗
Next
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7. FAQ & Troubleshooting
Here are some common questions:
- How to Reconnect to Auracast Mode ↗
- Reset (Classic Bluetooth) ↗
👉 More Troubleshooting & FAQs ↗
Next
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8. Rate This Guide
Thanks for choosing Harmony A1! Was this guide helpful? Tap a face-just 1 second:
Thanks for your feedback! You're helping make this guide better.
Next
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9. Get Help & Updates
1. Register Your Product
Extended warranty & get updates.
Register Your Product
2. Agent Support
Need help? Contact our agents.
Email
Call
Chat
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Transcript
Harmony A1
Auracast Multi Speaker System
Interactive User Guide
Version 1.9.3
Start Setup
< Back
Main Menu
1. Before You Start
2. What's in the Box
3. Power & Charge
4. Use Multiple Speakers
5. Use Individual Speakers
6. Advance Setup
7. FAQ & Troubleshooting
8. Rate This Guide
9. Get Help & Updates
Next
Menu
< Back
1. Before You Start
Harmony A1 is an Auracast-based multi-speaker system using the latest Bluetooth technology for synchronized group listening.
Next
Was this helpful?
Menu
< Back
2. What's in the Box
✔ Harmony A1 speaker × 3
✔ Harmony A1 transmitter × 1
✔ 1.5M, 1A Power cable (for transmitter) × 1
✔ 1M, 3A Charging cable (for speaker) × 3
✔ 3.5 mm AUX audio cable × 1
✔ Optical audio cable (TOSLINK) × 1
✔ 2A USB adapter (for speaker) × 1
Next
Was this helpful?
Menu
< Back
3. Power & Charge
1. Transmitter
2. Speakers
- Red LED on = Charging;
Off = Fully charged (~3 hrs).If you need the speaker to stay on in standby while powered, please contact us for support.
Next
Was this helpful?
Menu
< Back
4. Use Multiple Speakers
4.1 Connect Audio Source
Choose your audio source:
Bluetooth
Optical
AUX
Was this helpful?
Menu
< Back
A. Bluetooth
❶ Connect transmitter to power. ❷ Slide power switch to ON. Phone LED blinks red & blue (pairing).
If not, hold for 3s to enter pairing.
❸ Turn on Bluetooth on phone/tablet, select "Avantree Oasis Aura". Phone LED solid blue = Connected
👉 If connection fails, tap FAQ for troubleshooting.
Keep phone/tablet within 50 ft (15 m) of transmitter to avoid signal dropouts.
Next
Was this helpful?
Menu
< Back
4.2 Stream Audio
Start playing audio from the source.
Next
Was this helpful?
Menu
< Back
4.3 Use Speaker to Listen
❶ Turn on speaker → Enters Auracast mode (LED blinks orange) ❷ Wait ~2s.
If not, double-press MODE to switch.
Solid orange = Connected
× Blinking orange = Not connected
Connection may fail if the speaker is in Bluetooth mode or beyond 330 ft (100 m) line of sight. Tap FAQ for troubleshooting.
Next
Was this helpful?
Menu
< Back
B. Optical
❶ Connect transmitter to power. ❷ Slide power switch to ON. ❸ Press to switch to OPT input → OPT LED blinks red. ❹ Plug into transmitter (Optical) → TV (Optical Out).
Next
Was this helpful?
Menu
< Back
❺ Use your TV remote to adjust:
👉 Not sure? Check our Brand-by-Brand TV Guide
Next
Was this helpful?
Menu
< Back
4.2 Stream Audio
Start playing audio from the source. OPT LED turns solid white when valid signal is detected.
Next
Was this helpful?
Menu
< Back
4.3 Use Speaker to Listen
❶ Turn on speaker → Enters Auracast mode (LED blinks orange) ❷ Wait ~2s.
If not, double-press MODE to switch.
Solid orange = Connected
× Blinking orange = Not connected
👉 If not, tap FAQ for troubleshooting.
Speakers to Transmitter range: Up to 330 ft (100 m) with line of sight.
Next
Was this helpful?
👉 If not, tap FAQ for troubleshooting.
Menu
< Back
C. AUX
❶ Connect transmitter to power. ❷ Slide power switch to ON. ❸ Press to switch to AUX input → AUX LED blinks red. ❹ Plug into transmitter (AUX) → TV (Headphones/Audio Out). ❺ On TV, set sound output to Headphones.
Next
Was this helpful?
Menu
< Back
4.2 Stream Audio
Start playing audio from the source. AUX LED turns solid white, when valid signal is detected.
Next
Was this helpful?
Menu
< Back
4.3 Use Speaker to Listen
❶ Turn on speaker → Enters Auracast mode (LED blinks orange) ❷ Wait ~2s.
If not, double-click MODE to switch.
Solid orange = Connected
× Blinking orange = Not connected
👉 If not, tap FAQ for troubleshooting.
Speakers to Transmitter range: Up to 330 ft (100 m) with line of sight.
Next
Was this helpful?
Menu
< Back
5. Use Individual Speakers
5.1 Switch to Bluetooth Mode
❶ Turn on speaker → Auracast mode (LED blinks orange). ❷ Double-press MODE → Bluetooth mode (LED blinks red & blue).
Next
Was this helpful?
Menu
< Back
5.2 Connect to Phone
On your phone, turn on Bluetooth, and select "Avantree Harmony A1". LED stays solid blue = Connected
Next
Was this helpful?
Menu
< Back
6. Advance Setup
6.1 Use Microphone Input
For group speaking or events, enhance your Harmony A1 setup with a wireless microphone kit: Avantree FreeMic Duo or Simply connect the mic receiver to the transmitter’s AUX jack to broadcast your voice through all speakers.
Avantree FreeMic W
Next
Was this helpful?
Menu
< Back
6.2 Add More Speakers
You can purchase multiple Harmony A1 Solo speakers to expand the system:
❶ Connect the speaker set. ❷ Power on the additional speakers → MODE LEDs blink orange (Auracast mode). LEDs stay solid orange = Connected
Next
Was this helpful?
Menu
< Back
6.3 Extend Range
To expand your speaker coverage: ❶ Purchase an Auracast receiver. ❷ Connect it to your existing system to create a daisy chain and extend the wireless range.
Next
Was this helpful?
Menu
< Back
6.4 Avantree Ecosystem
Avantree offers a full range of Auracast transmitters that stream audio wirelessly to multiple Auracast receivers such as speakers and headphones.
👉 Explore more Auracast devices ↗
👉 Check product compatibility ↗
Next
Was this helpful?
Menu
< Back
7. FAQ & Troubleshooting
Here are some common questions:
👉 More Troubleshooting & FAQs ↗
Next
Was this helpful?
Menu
< Back
8. Rate This Guide
Thanks for choosing Harmony A1! Was this guide helpful? Tap a face-just 1 second:
Thanks for your feedback! You're helping make this guide better.
Next
Menu
< Back
9. Get Help & Updates
1. Register Your Product
Extended warranty & get updates.
Register Your Product
2. Agent Support
Need help? Contact our agents.
Email
Call
Chat