Expandable Auracast speaker system with three 20W speakers

Harmony A2

Harmony A2 distributes Bluetooth, optical or AUX audio to expandable Auracast speakers for synchronized indoor venue coverage.

1 transmitter + 3 x 20W speakers included systemUp to 100m / 328ft line-of-sight rangeIndoor small to mid-sized spaces suggested venue
$299.99

Firmware Update Alerts

Get notified when new Harmony A2 firmware is available.

Firmware updates only. No marketing emails.
Fast Local Delivery1-3 Business Days
60-Day Free ReturnsHassle-Free
Free Setup SupportVenue Specialist Included
  • Scalable Auracast Speaker System – Start with the included speakers and expand synchronized coverage with compatible Auracast devices.
  • Whole-Venue Background Audio – Deliver balanced speech, music and program audio across connected indoor spaces.
  • Three EQ Modes – Switch between Balance, Voice and Bass modes for different venue content.
  • Bluetooth, Optical & AUX Inputs – Connect phones, TVs, computers, mixers and compatible media sources.
  • Up to 100m / 328ft Range – Plan coverage using the published line-of-sight Auracast range.
  • Firmware Update Support – Maintain supported functions and improvements through the linked update workflow.
Harmony A2 $299.99

01 · Build your system

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Harmony A1 Solo Works with Harmony A2 Harmony A1 Solo Auracast Speaker with Bluetooth for Easy Expansion $89.99
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AuraLink Works with Harmony A2 AuraLinkAuracast & Bluetooth 5.4 Audio Receiver with Qualcomm Chip, 20H Playtime, AUX Output, Multi-Speaker &am...$67.99
Harmony A0 Solo Works with Harmony A2 Harmony A0 SoloAuracast Bluetooth 5.4 Wireless Speaker, Sync Audio Expansion Speaker$69.99
Aria Aura Works with Harmony A2 Aria AuraAuracast Headphones for Public Spaces$99.99
AuraClip Works with Harmony A2 AuraClipAn Auracast receiver for public and personal listening. Works with compatible Auracast transmitters across ...$69.99
View all Add-ons & Accessories

02 · How it works

How it works with your devices

Audio sources

Bluetooth phone / tabletOptical TV / digital output3.5mm AUX / mixerComputer / media player

Product

Harmony A2
Harmony A2

Listener pathways

  • Harmony A2 speakersThe included speakers receive synchronized Auracast audio.
  • Additional Auracast speakersAdd compatible Auracast speakers to expand shared indoor coverage.
  • Personal Auracast devicesCompatible receivers, headphones and hearing aids can join supported broadcasts.

03 · Where it fits

Where it fits

Church & Worship

Share speech, music and announcements across indoor worship spaces.

Classroom & Training

Provide synchronized program audio for students and attendees.

Restaurant & Retail

Coordinate background audio across customer-facing areas.

Meetings & Events

Distribute presentations and speech across small to mid-sized venues.

Best suited to indoor small and mid-sized venues with practical line of sight. It is not intended for arena-scale, highly obstructed or ultra-low-latency monitoring applications.

04 · Product details

Product details

Key specifications

Wireless connectivity
Bluetooth 5.4 / Auracast
Audio inputs
Bluetooth, optical, 3.5mm AUX
Auracast range
Up to 100m / 328ft line of sight
Bluetooth source range
Up to 15m / 50ft
Speaker synchronization latency
Approx. 60ms
Expandable speakers
Additional compatible Auracast speakers
Speaker output
20W
EQ modes
Balance, Voice and Bass

Simple setup

  1. 1Connect the venue sourceConnect a phone, TV, computer, mixer or media player by Bluetooth, optical or AUX.
  2. 2Place and power the speakersPosition the speakers within the planned indoor area and power them on.
  3. 3Scan and confirm the broadcastConfirm synchronized playback, check coverage and adjust source and speaker levels.

05 · Compare

Compare alternatives

FeatureCurrent productHarmony A2Harmony A2Harmony A1Harmony A3
Included speakers3 x 20W3 x 20WConnects to existing PA / speakers3 x 15W
Audio inputsBluetooth, optical, 3.5mm AUXBluetooth, optical, 3.5mm AUXBluetooth, optical, 3.5mm AUXBluetooth, optical, 3.5mm AUX
Wireless technologyAuracastAuracastAuracast2.4GHz wireless
Typical latencyApprox. 60msApprox. 60msApprox. 60msApprox. 30ms
Published rangeUp to 100m / 328ft LOSUp to 100m / 328ft LOSUp to 100m / 328ft LOSUp to 20m / 65ft

06 · Common questions

Common questions

What is Harmony A2 designed for?

Harmony A2 is an expandable indoor Auracast speaker system for shared audio in churches, classrooms, meeting rooms, restaurants, retail spaces and small events.

What is included in the system?

Harmony A2 includes an Auracast transmitter and three 20W Harmony A2 speakers with the required connection and power accessories.

Can I add more speakers?

Yes. Add compatible Auracast speakers as the coverage requirement grows.

Does Harmony A2 require Wi-Fi or an app?

No. Normal listening does not require Wi-Fi or an app.

Can Harmony A2 connect to a TV?

Yes, through a compatible optical, AUX or Bluetooth connection. It is designed for shared room audio rather than simultaneous TV-speaker lip-sync playback.

Can personal Auracast devices join?

Compatible Auracast receivers, headphones and hearing aids can join supported broadcasts.

Venucast Church Deployment Best Practices Pack with roll-up banner, Auracast signage, hearing aid connection guide, and onboarding guide

READY FOR SUNDAY

Installing the system is only half the job.

Help worshipers discover the service and connect confidently with a ready-made communication pack for a smoother Auracast rollout.

$149.99 Church Deployment Pack

Pre-order now — estimated to ship in late September 2026.

  • One roll-up banner with stand
  • Two A3 Auracast signage posters
  • One hearing aid connection guide
  • One Church onboarding guide
See what’s included