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Harmony A3
Auracast Bluetooth 5.4 Transmitter/Receiver Set, One-to-Many Speaker System, 328ft Range
- $209.99
- Unit price
- per
-
Upgrade Speakers with Auracast Streaming
Convert your existing speakers into an Auracast-enabled system. Broadcast your audio to multiple receivers at the same time for wide-area speaker coverage. -
100m Coverage for Large Venues
Enjoy stable transmission up to 100m / 328 ft. Ideal for churches, halls, classrooms, gyms, and other venues with up to 500 seats. -
Expandable System – Add More Receivers
Includes three speaker receivers and supports unlimited expansion. Add extra receivers to cover more rooms, speakers, or larger spaces as needed. -
Bluetooth / OPT / AUX Input
Stream audio to the transmitter directly from your phone or laptop via Bluetooth. You can also connect TVs, mixers, or media players using Optical or 3.5mm AUX. -
Secure & Future-Proof Design
Protect your broadcast with password and custom name options. Powered by a Qualcomm chipset and supports DFU firmware upgrades for long-term reliability.
In Stock—Estimated delivery
3–7 business days
$209.99
Specifications
🔄 Set
| Wireless Connectivity | Bluetooth 5.4 (Auracast) |
| Audio Latency | Auracast LC3: approx. 50–70 ms |
| Bluetooth Profiles | Classic Bluetooth Audio (A2DP, AVRCP) + Auracast Broadcast & Receiver (PBP, TMAP) |
| Audio Input Options | Optical (TOSLINK), 3.5 mm AUX, Bluetooth |
| Recommended Range |
• Transmitter to Receivers: up to 328 ft / 100 m • Phone / PC to Transmitter: up to 33 ft / 10 m |
| Package Configuration | 1 × Transmitter + 3 × Receivers |
📡 Transmitter
| Bluetooth Version | v5.4 |
| Bluetooth Profiles | Classic Bluetooth (A2DP, AVRCP) + Auracast Broadcast (PBP, TMAP) |
| Audio Codec | Auracast LC3 |
| Audio Input | Optical (TOSLINK), 3.5 mm AUX, Bluetooth |
| Operating Range |
Up to 328 ft / 100 m to receivers Up to 33 ft / 10 m from phone / PC |
| Power Input | DC 5V / 1A |
| Firmware Upgrade | Yes (DFU support) |
| Dimensions | 4.5 × 3 × 1.2 in (114 × 75 × 30 mm) |
| Weight | 0.2 lbs (90 g) |
📥 Receiver
| Bluetooth Version | v5.4 |
| Operating Frequency | 2.402 – 2.483 GHz |
| Bluetooth Profiles | Classic Audio (A2DP, AVRCP) + Auracast Receiver (TMAP, Broadcast Scan) |
| Supported Audio Codecs |
Classic: aptX-Adaptive, aptX-HD, aptX, SBC Auracast: LC3 |
| Bluetooth Profiles | A2DP v1.4, AVRCP v1.6.2, Auracast |
| Operating Range | ≤ 328 ft / 100 m |
| Battery Type | Lithium-ion polymer |
| Average Battery Life | Up to 20 hours |
| Charging Time | Approx. 1.5 hours |
| Charging Port | USB-C |
| Power Supply | 5V / 500mA–2A USB charger |
| Dimensions / Weight | Ø49 × 16.3 mm / 22.5 g |
Q & A
Q1: Can I use Harmony A3 with my existing speakers?
Yes. Harmony A3 works with powered speakers using AUX or RCA input. Just plug in the receiver to upgrade your current speakers to an Auracast system.
Q2: Will this work in a large space like a church or hall?
Yes. Harmony A3 covers up to 100m / 328ft and is designed for large venues such as churches, classrooms, gyms, and halls with up to 500 seats.
Q3: Can I add more speakers later if I need to expand?
Yes. The system includes 3 receivers and supports unlimited expansion. Add more receivers anytime to cover more rooms or speakers.
Q4: Can I connect my TV, mixer, or laptop to this system?
Yes. Harmony A3 supports Bluetooth, Optical, and 3.5mm AUX input, making it compatible with TVs, mixers, laptops, and media players.
Q5: Will other people interfere with or access my broadcast?
No. Harmony A3 supports password-protected broadcasting and custom naming to keep your audio secure and prevent unwanted connections.
Consultation Booking 📲
Not sure what to do? Book a 15-minute FREE consultation with our Group Listening Expert today!
Buy Add-ons & Accessories
Harmony A3 — 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.)
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