Harmony A2 | Auracast Multi-Room Speaker System Enhanced Sound

Multi-Room Auracast Speaker System for Home & Events

$263.79 $329.99
Save $66.20
Harmony A2: Multi (3) Speakers with Audio Streamer Set | Avantree
Version: Harmony A2: Multi (3) Speakers with Audio Streamer Set
Harmony A2: Multi (3) Speakers with Audio Streamer Set
Harmony A2: Multi (3) Speakers with Audio Streamer Set
Harmony A2 Solo: Add-on Speaker
Harmony A2 Solo: Add-on Speaker
Oasis Aura: Add-on Transmitter Only
Oasis Aura: Add-on Transmitter Only
Subtotal: $263.79

Free Shipping and Returns

  • Auracast-Enabled Speaker System: Unlike 99% of speakers on the market, Harmony A2 features the latest Auracast Bluetooth technology, letting you share audio across multiple linkable speakers, headphones, and compatible hearing aids for whole-home wireless listening.
  • Connect to Public Auracast Broadcasts: Access public Auracast channels in airports, gyms, museums, and other indoor or outdoor venues—perfect for group listening, office use, events, or party environments.
  • Create Groups with Secure Passkeys: Build private multi-room or whole-house audio groups with customizable passkeys, allowing different rooms or users to enjoy separate stereo sound without interference.
  • 100m Long-Range Wireless Coverage: Enjoy stable long-range performance up to 100 meters for flexible indoor setups, outdoor gatherings, home theater TV sync, office audio, or portable music around your house.
  • Upgradeable for Future Enhancements: Firmware-upgradeable design keeps your wireless system future-ready, adding new features and improving performance as Auracast audio and multi-speaker pairing evolve.
  • Bluetooth / OPT / AUX Input: Stream music directly from your phone or laptop via Bluetooth, or connect TVs, mixers, and media players using Optical or 3.5mm AUX—ideal for house parties, home theater, office setups, or whole-home audio expansion.

🧩 Set Mode (Speaker System)

  • Compatibility: Connects to phone, TV, or laptop via Bluetooth, AUX, or Optical.
  • Use Cases: Ideal for home music, meetings, multi-room coverage, or small indoor events.
  • Expandability: Add more Harmony A2 speakers or connect with other Auracast hearing aids, earbuds, and speakers.

Important: Not recommended for outdoor use due to sound limitations.

🎵 Solo Mode (Bluetooth Speaker)

  • Compatibility: Pairs with any Bluetooth device like phone or tablet.
  • Use Cases: Great for travel, dorms, or personal use.

• 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

Setup & Support
Harmony A2 | Auracast Multi-Room Speaker System Enhanced Sound

Harmony A2 | Auracast Multi-Room Speaker System Enhanced Sound

$329.99 $263.79

Harmony A2 | Auracast Multi-Room Speaker System Enhanced Sound

$329.99 $263.79

Comparison Table

Model
  • Max Speakers Supported
  • Audio Inputs
  • Speaker Power
  • Wireless Technology
  • Latency (TV Watching)
  • Operation Range
  • Expandable Devices
  • Future-Ready (LE Audio)
  • DFU for Group Settings
  • Best For
    • Unlimited Speakers
    • AUX (3.5 mm) / Optical / Bluetooth
    • 20W
    • Auracast™ set (individual speaker support Bluetooth)
    • ~ 60 ms
    • 100m (add 15m via Bluetooth)
    • Shared spaces, mixed listening
    • Unlimited Speakers
    • AUX (3.5 mm) / Optical / Bluetooth
    • 20W
    • Auracast™ set (individual speaker support Bluetooth)
    • ~ 60 ms
    • 100m (add 15m via Bluetooth)
    • Public venues, Auracast devices
    • Unlimited Speakers
    • AUX (3.5 mm) / Optical / Bluetooth
    • -
    • Auracast™ set (individual speaker support Bluetooth)
    • ~ 60 ms
    • 100m (add 15m via Bluetooth)
    • Large venues, PA streaming
    • Unlimited Speakers
    • AUX (3.5 mm) / Optical / Bluetooth
    • 15W
    • 2.4G set (individual speaker support Bluetooth)
    • 30ms
    • 20m (add 3m via Bluetooth)
    • With Avantree Harmony 2 Speakers Only
    • Live use, ultra-low latency
Avantree Auracast Ecosystem Desktop

Specifications

🔄 Set
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)
📡 Transmitter
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)
🔊 Speaker
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)

Q & A

Q: What devices can I use this with?
A: Most phones, TVs, tablets, and computers through Bluetooth, AUX, or Optical connection.

Q: Can I add more speakers later?
A: Yes. You can expand the system by adding more Harmony A2 speakers, up to 100 total.

Q: Can I use this outside?
A: It’s best for indoor use - like at home, in a classroom, or for small events. Outdoors, the sound may feel too soft.

Q: Can I use my Auracast device, like a hearing aid, with this system?
A: Not yet, but the system is future-proof. With DFU updates, it can support Auracast devices like hearing aids once available.

Q: Do I need Wi-Fi or an app to connect?
A: No app or Wi-Fi needed. Just connect to your device and it auto-pairs. Super easy.

Q: Can I use one speaker by itself?
A: Yes. Each speaker also works alone as a regular Bluetooth speaker.

Consultation Booking 📲

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Buy Add-ons & Accessories

Harmony A2 — Compatibility Checker

Avantree Bluetooth Compatibility Checker

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.

All Bluetooth Devices Checker

(Note: This tool is still under development. 💡 Suggestions are welcome anytime! contact us.)