2-5 business days. Free returns within 60 days with a prepaid label upon request.





2-5 business days. Free returns within 60 days with a prepaid label upon request.
🧩 Set Mode (Speaker System)
❌ Important: Not recommended for outdoor use due to sound limitations.
🎵 Solo Mode (Bluetooth Speaker)
• Harmony A2 speaker × 3
• Harmony A2 transmitter × 1
• 1M / 3FT Charging cable (for speaker) × 3
• 1.5M / 5FT Power cable (for transmitter) × 1
• 2A USB adapter (for speaker) × 1
• Optical audio cable (TOSLINK) × 1
• 3.5 mm AUX audio cable × 1
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Extended protection when purchased directly from us.
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Get help choosing and setting up the right system.
| Wireless Connectivity | Bluetooth 5.4 |
| Latency | Approx. 60ms (speaker sync latency) |
| Audio Input Options | Bluetooth, 3.5mm AUX, Optical |
| Recommended Range |
• Speaker to Transmitter: Up to 100 ft / 30 m • Phone to Transmitter: Up to 33 ft / 10 m |
| Max Expandability | Supports up to 100 speakers (Harmony Aura only) |
| Bluetooth Version | v5.4 |
| Audio Codec | LC3 |
| Operating Range | Up to 33 ft (10 m) from phone / PC |
| Dimensions | 4.5 × 3 × 1.2 in (114 × 75 × 30 mm) |
| Weight | 0.2 lbs (90 g) |
| Bluetooth Version | v5.4 |
| Audio Codec | LC3, APTX, AD, SBC |
| Bluetooth Profiles | A2DP, AVRCP, HSP, HFP |
| Operating Range | Up to 33 ft (10 m) |
| Microphone | Built-in |
| Playtime | Up to 8 hours |
| Charging Time | Approx. 4 hours |
| Charging Port | USB Type-C |
| Power Output | 20W, THD ≤ 1% |
| Power Supply | Rated 5V / 2A USB charger |
| Dimensions | 9 × 3 × 3 in (230 × 82 × 75 mm) |
| Weight | 1.8 lbs (850 g) |
Q1. What is Harmony A2 and who is it for?
A: Harmony A2 is a wireless Multiroom Speaker System designed for indoor shared audio. It works best for homes, cafés, restaurants, meeting rooms, classrooms, retail spaces, and small indoor gatherings. For large outdoor events or high-volume party use, a higher-power speaker system may be a better fit.
Q2. How many Harmony A2 speakers can I connect?
A: With Auracast, Harmony A2 can connect to unlimited compatible speakers or headphones from one transmitter. You can start with a small setup and add more speakers anytime as your multiroom audio needs grow.
Q3. Does Harmony A2 require Wi-Fi or an app?
A: No. Harmony A2 works without Wi-Fi or an app. Connect your phone, computer, or other audio source to the transmitter, power on the speakers, and start listening.
Q4. Can I use Harmony A2 with TVs?
A: Yes, but Harmony A2 is designed for shared room audio, not TV lip-sync listening. Since wireless transmission adds some delay, we do not recommend using it together with your TV’s built-in speakers.
Q5. What devices can Harmony A2 work with?
A: Harmony A2 supports audio input through Bluetooth, Optical, and AUX (depending on transmitter model). It works with phones, laptops, tablets, media players, and other audio sources.
Supports: virtually all Classic Bluetooth devices on the market.
For better audio-visual synchronization, use together with Avantree products featuring:
Avantree products are designed for versatility and broad compatibility. However, due to technical limitations, not all devices can work together. We strongly recommend checking compatibility before purchase.
(Note: This tool is still under development. 💡 Suggestions are welcome anytime! contact us.)
TV Transmitters
TV Headphones
Auracast Adapters
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