Harmony A1 Multi-Room LE Audio Auracast Venue Speaker System for Home & Events for shared sound.
Expandable Auracast speaker system - 1 transmitter + 3 x 20W speakers

Harmony A1

Harmony A1 distributes Bluetooth, optical or AUX audio to three expandable 20W Auracast speakers for synchronized indoor coverage.

3 x 20W included speakersUp to 100m / 328ft line-of-sight coverageIndoor small to mid-sized venues suggested environment
$299.99

Firmware Update Alerts

Get notified when new Harmony A1 firmware is available.

Firmware updates only. No marketing emails.
Check compatibility Guided enquiry
Fast Local Delivery1-3 Business Days
60-Day Free ReturnsHassle-Free
Free Setup SupportVenue Specialist Included
  • Multi-Room Indoor Audio – Send one program feed to three included speakers across connected indoor spaces.
  • Three 20W Speakers Included – Deploy synchronized background music, speech or TV audio without purchasing separate speakers.
  • Up to 100m / 328ft Range – Maintain the published line-of-sight connection between the transmitter and Harmony A1 speakers.
  • Bluetooth, Optical & AUX Inputs – Connect phones, TVs, mixers, media players and compatible audio sources.
  • Expandable Speaker System – Add compatible Harmony A1 speakers as the venue coverage needs grow.
  • Approx. 60ms Speaker Sync – Keep speech and program audio aligned across the included speakers.
  • Auracast Listening Support – Compatible Auracast receivers, headphones and hearing aids can join supported broadcasts.
Setup & Support Firmware Update
Harmony A1 $299.99

01 · Build your system

Complete the system

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<tc>Harmony</tc> Lite 1 Solo Works with Harmony A1 Harmony Lite 1 SoloEnceinte sans fil Auracast Bluetooth 5.4, enceinte d'extension audio Sync$69.99→
<tc>Aria Aura</tc> Works with Harmony A1 Aria AuraCasque TV Bluetooth Auracast$99.99→
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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

<tc>Harmony</tc> A1
Harmony A1

Listener pathways

  • Included Harmony A1 speakersThree included 20W speakers receive the shared Auracast broadcast.
  • Additional compatible Harmony speakersAdd compatible Harmony speakers to expand indoor coverage as the venue grows.
  • Compatible personal Auracast devicesSupported receivers, headphones and hearing aids can join the same broadcast.

Use the three included speakers, add compatible Harmony speakers or connect supported personal Auracast devices. Compatibility depends on the listener product and its software.

03 · Where it fits

Where it fits

Church & Worship

Share sermons, announcements and background music from the venue audio source.

Classroom & Training

Provide synchronized speech and program audio across indoor learning spaces.

Restaurant & Retail

Coordinate background audio across connected customer and staff areas.

Meetings & Small Events

Distribute presentations, music and speech to multiple indoor listening zones.

Best suited to indoor small and mid-sized spaces with a suitable local audio feed and practical line of sight. It is not intended for stadium-scale, outdoor or ultra-low-latency applications.

04 · Product details

Product details

Key specifications

System configuration
1 transmitter + 3 speakers
Wireless connectivity
Bluetooth 5.4 / Auracast
Audio codec
LC3
Speaker synchronization latency
Approx. 60ms
Audio inputs
Bluetooth, optical, 3.5mm AUX
Transmitter-to-speaker range
Up to 100m / 328ft line of sight
Phone/PC-to-transmitter range
Up to 15m / 50ft
Expandable speakers
Up to 100 compatible Harmony Aura speakers
Speaker power output
20W, THD <= 1%
Speaker playtime
Up to 8 hours

Simple setup

  1. 1Connect the audio sourceConnect a phone, TV, mixer, computer or media source through Bluetooth, optical or 3.5mm AUX.
  2. 2Power and place the speakersPosition the three included speakers indoors and keep suitable line of sight to the transmitter.
  3. 3Confirm the broadcastPower on the system, check synchronized playback and adjust the source and speaker levels.
In the box
  • 3 x Harmony A1 speakers
  • 1 x Harmony A1 transmitter
  • 3 x 1m / 3ft speaker charging cables
  • 1 x 1.5m / 5ft transmitter power cable
  • 1 x 2A USB adapter for speaker
  • 1 x optical audio cable (TOSLINK)
  • 1 x 3.5mm AUX audio cable

05 · Compare

Compare alternatives

FeatureCurrent productHarmony A1Harmony A2Harmony A3Harmony 2
Best forExpandable indoor Auracast speaker coverageShared spaces with mixed Auracast listeningLarge venues using existing PA systemsUltra-low-latency multi-room audio
Included audio endpoints3 x 20W speakers2 x 20W speakersConnects to existing PA / speakers3 x 15W speakers
Audio inputsBluetooth, optical, 3.5mm AUXBluetooth, optical, 3.5mm AUXBluetooth, optical, 3.5mm AUXBluetooth, optical, 3.5mm AUX
Wireless technologyBluetooth LE Audio / AuracastBluetooth LE Audio / AuracastBluetooth LE Audio / Auracast2.4GHz wireless
Typical latencyApprox. 60msApprox. 60msApprox. 60msApprox. 30ms
Published rangeUp to 100m / 328ft LOSUp to 100m / 328ft LOSUp to 100m / 328ft LOSUp to 20m / 66ft

06 · Common questions

Common questions

What is Harmony A1 designed for?

Harmony A1 is an expandable indoor Auracast speaker system for churches, classrooms, meeting spaces, restaurants, retail areas and small events that need synchronized shared audio.

What is included in the system?

The system includes one Harmony A1 transmitter, three 20W Harmony A1 speakers, charging and power cables, a USB adapter, an optical cable and a 3.5mm AUX cable.

Which audio sources can connect?

Harmony A1 accepts Bluetooth, optical and 3.5mm AUX audio from compatible phones, TVs, computers, mixers and media players.

How far can the speakers be placed?

The published transmitter-to-speaker range is up to 100m / 328ft line of sight. Walls, people, interference and venue layout can reduce usable range.

Can the system be expanded?

Yes. The system supports additional compatible Harmony Aura speakers, with published support for up to 100 speakers.

Can personal Auracast devices join?

Compatible Auracast receivers, headphones and hearing aids can join when supported by the listener device and its software.

Is Harmony A1 intended for ultra-low-latency monitoring?

No. Its approximately 60ms synchronization latency is designed for shared indoor listening rather than musicians in-ear monitoring or other ultra-low-latency applications.

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