Avantree Harmony 2 – Multi-Room Wireless Speaker System with Bluetooth & Wired Inputs, Easy to Set Up, Expandable, Low-Latency Sync for Home, Church, Classroom & Small Indoor Events

Avantree Harmony 2 – Multi-Room Wireless Speaker System with Bluetooth & Wired Inputs, Easy to Set Up, Expandable, Low-Latency Sync for Home, Church, Classroom & Small Indoor Events

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Product description

Compatibility & Uses

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 2 speakers or connect with Duet-RX, Quartet-RX, Audiplex 2 receivers

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

Frequently Asked Questions

Q1: What devices can I use this with?

A: Most phones, TVs, tablets, and computers through Bluetooth, AUX, or Optical connection.

Q2: Can I add more speakers later?

A: Yes. You can expand the system by adding more Harmony 2 speakers, up to 100 total.

Q3: 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.

Q4: 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.

Q5: Can I use one speaker by itself?

A: Yes. Each speaker also works alone as a regular Bluetooth speaker.

wireless speakers systemwireless speakers system

volume independent Independent Volumes

Adjust each speaker’s volume separately from the others’ for total control.

Perfectly Positioned Perfectly Positioned

Small handles allow you to hang your speakers on trees, from walls, or wherever else.

Easily Portable Easily Portable

Freely bring or move the battery-powered speakers around and even use them while they’re charging.

Always In Sync Always In Sync

The speakers play in perfect sync with each other with no distracting audio delays.

1 Independent Volumes

2 Perfectly Positioned

3 Easily Portable

4 Always In Sync

SPECIFICATION

Wireless Technology 2.4GHz RF + Bluetooth 5.4 Input Options Bluetooth, Optical, AUX (3.5mm) Speaker Range (to Base) Up to 65 ft / 20 m Bluetooth Range (to Phone) Up to 10 ft / 3 m (for best performance, stay within 3 m) Latency (Full Kit) Less than 30 ms – perfect audio sync Battery Type Built-in rechargeable (speakers only) Playtime per Charge Up to 6 hours Charging Time 4 hours Power Port (Transmitter) USB-C Power Supply 5V / 1–2A Speaker Output 15W, THD ≤ 1% Supported BT Profiles A2DP, AVRCP, HSP, HFP Speaker Size 8.3 × 3.5 × 3.5 in (210 × 90 × 90 mm) Speaker Weight 2.1 lbs (940 g) per unit

Comparison Table

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Customer Reviews

4.0 out of 5 stars 102

4.1 out of 5 stars 34

4.5 out of 5 stars 273

4.4 out of 5 stars 167

4.3 out of 5 stars 111

Price

$249.99$249.99

$129.99$129.99

$279.99$279.99

$179.99$179.99

$235.99$235.99

Best for

Multi-room audio, parties, tv

Outdoor, group sharing

Church, classrooms, tv

Church, classrooms

2 audio sources in same place

Audio Source Interface

Bluetooth/AUX/Optical

USB-C

Bluetooth/AUX/Optical

AUX/Optical

AUX/Optical

Super Low Latency

Scalable to 100

Clear Voice / Bass EQs

Listening Device Type

Wireless speakers

Wireless speakers

Wireless headphones

Wired headphones, speakers

Wireless headphones

Use as BT Headphones / Speaker

Coming soon

N/A

Transmitter Upgrade

Upgrade to Bluetooth TX

Upgrade to Bluetooth TX

Upgrade to Bluetooth TX

【MULTI-ROOM AUDIO】 Stream audio wirelessly to all speakers with under-30ms latency and perfect sync. Range between speakers and base reaches up to 65 ft.
【FOR SMALL EVENTS】 Ideal for home, classroom, meetings, and small indoor gatherings. Designed for speech and background music – NOT recommended for outdoor or noisy spaces.
【EASY SETUP】 Connect the transmitter to your TV, phone, or laptop via Bluetooth, AUX, or optical. Just power on – the transmitter and speakers auto-connect. No pairing, no app, no configuration required.
【EXPANDABLE SYSTEM】 Add up to 100 Harmony 2 speakers with stable, low-latency performance. Great for voice reinforcement or distributed music in multiple rooms.
【FLEXIBLE LISTENING】 Use together or separately – each speaker can also connect independently via Bluetooth for personal use.