Synchronized multi-room speaker system - no Wi-Fi or app required

Harmony 2

Harmony 2 sends Bluetooth, optical or AUX audio to three synchronized wireless speakers for indoor multi-room listening.

1 transmitter + 3 wireless speakers included systemUp to 20m / 65ft speaker rangeApprox. 30ms speaker sync latency
$279.99

Firmware Update Alerts

Get notified when new Harmony 2 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
  • Multi-Room Indoor Audio – Send the same program feed to multiple connected speakers across indoor rooms.
  • Ultra-Low Latency Under 30ms – Keep speech, music and TV audio aligned across the included speakers.
  • Simple Setup, No App Required – Connect by Bluetooth, optical or AUX and the speakers link automatically.
  • Expandable to 100 Speakers – Add compatible Harmony 2 speakers as coverage needs grow.
  • Independent Bluetooth Speaker Mode – Use each speaker separately with a compatible Bluetooth source.
  • Designed for Indoor Coverage – Best suited to homes, classrooms, offices, meeting rooms and small events.
Harmony 2 $279.99

01 · Build your system

Harmony-Extra Works with Harmony 2 Harmony-ExtraBluetooth & Multi-Room Add-On Speaker for Harmony Set$79.99
FreeMic Duo Works with Harmony 2 FreeMic DuoWireless Headset & Handheld Microphone System for Powered Speakers, Mixer, & Venucast Transmitters ...$79.99
Quartet-Extra Works with Harmony 2 Quartet-ExtraAdditional pair of 2.4G Wireless Headphones for Quartet/Duet/Audiplex*$79.99
Receiver for Audiplex Works with Harmony 2 Receiver for Audiplex2.4G Wireless Receiver for Avantree Audio System (Audiplex/Quartet/Duet)$44.99
Avantree Flex Base 2 Works with Harmony 2 Avantree Flex Base 2Avantree Flex Base 2, Extra Transmitter ONLY for Avantree Harmony / Quartet System - Not Compatible with Ot...$129.99
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 / line-level source

Product

Harmony 2
Harmony 2

Listener pathways

  • Included Harmony 2 speakersThree included speakers play the same synchronized program audio.
  • Additional Harmony 2 speakersAdd compatible Harmony 2 speakers to expand synchronized indoor coverage.
  • Bluetooth, optical or AUX sourcesConnect a phone, TV, computer or line-level audio source to the transmitter.

03 · Where it fits

Where it fits

Home & Multi-Room Audio

Share synchronized music, TV sound and spoken content across connected indoor rooms.

Classroom & Training

Distribute clear speech and program audio across learning spaces.

Meetings & Small Events

Keep presentations and background audio aligned across multiple speakers.

Office & Retail

Provide consistent background audio across connected customer or work areas.

Best suited to indoor multi-room coverage. It is not intended for stadium-scale, very loud outdoor or direct USB microphone applications.

04 · Product details

Product details

Key specifications

Wireless connectivity
2.4GHz RF speaker sync + Bluetooth 5.4 source connection
Audio inputs
Bluetooth, optical, 3.5mm AUX
Speaker-to-transmitter range
Up to 20m / 65ft
Phone-to-transmitter range
Up to 3m / 10ft
Speaker synchronization latency
Approx. 30ms
Maximum expansion
Up to 100 Harmony 2 speakers
Speaker output
15W, THD <= 1%
Speaker playtime
Up to 6 hours
Charging time
Approx. 4 hours by USB-C

Simple setup

  1. 1Connect the audio sourceConnect a phone, TV, computer or line-level mixer output through Bluetooth, optical or 3.5mm AUX.
  2. 2Place and power the speakersPosition the included speakers indoors within the published range and power them on.
  3. 3Confirm synchronized playbackPlay audio, confirm all speakers are aligned and adjust source and speaker levels.

05 · Compare

Compare alternatives

FeatureCurrent productHarmony 2Harmony 2Quartet 2Audiplex MX
Best forMulti-room indoor audioChurches and classroomsManaged wired listening systems
Audio inputsBluetooth, optical, 3.5mm AUXBluetooth, optical, 3.5mm AUX3.5mm AUX / line-level audio
Typical latencyApprox. 30msApprox. 30msLow-latency 2.4GHz system
ExpansionUp to 100 speakersUp to 100 headphonesAdditional compatible receivers
Listening deviceWireless speakersWireless headphonesWired headphones or speakers

06 · Common questions

Common questions

What is Harmony 2 designed for?

Harmony 2 is designed for synchronized indoor multi-room audio in homes, classrooms, offices, meeting rooms and small events.

Which source devices can I use?

Compatible phones, TVs, tablets and computers can connect through Bluetooth, optical or 3.5mm AUX.

Can I add more speakers later?

Yes. Harmony 2 supports additional compatible Harmony 2 speakers, with published support for up to 100 speakers.

Does Harmony 2 require Wi-Fi or an app?

No. The system uses its transmitter and automatically links the included speakers without Wi-Fi or an app.

Can Harmony 2 be used outdoors?

It is best suited to indoor spaces. Its output and published range are not intended for large or very loud outdoor venues.

Can one speaker work by itself?

Yes. Each speaker can also operate independently as a Bluetooth speaker.