Avantree Harmony 2 – Multi-Room Wireless Speaker System with Bluetooth & Wired Inputs, Easy Setup, Expandable, 30ms Low-Latency Sync for Whole-Home, Meeting Rooms & Small Indoor Events
$56.99
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【For Multi-room Indoor Audio】Designed for homes. classrooms. offices. and meeting rooms needing the same audio across multiple speakers. Ideal for background music. TV sound. and spoken content with consistent room-to-room coverage.
【Ultra Low Latency Under 30ms】Delivers synchronized playback with under-30 ms latency. keeping audio aligned across all speakers. Speech and video sound natural with no noticeable delay or echo during shared listening.
【Simple Setup. No App Required】Connect the transmitter to your TV. phone. or laptop via optical. AUX. or Bluetooth. Power on and speakers auto-connect with no app installation or complex setup steps.
【Not For Large Outdoor Venues】Not designed for large outdoor spaces or very loud environments due to limited maximum volume. Best suited for indoor use where clear. synchronized audio coverage is required.
【Limited Microphone Input Type】Not compatible with USB mics. direct XLR mics. or 3.5mm TRRS headset mics. Requires line-level output (3.5mm TRS or RCA) from a powered mic. wireless receiver. or mixer.
Avantree Harmony 2 – Multi-Room Wireless Speaker System with Bluetooth & Wired Inputs, Easy Setup, Expandable, 30ms Low-Latency Sync for Whole-Home, Meeting Rooms & Small Indoor Events
$56.99
【Ultra Low Latency Under 30ms】Delivers synchronized playback with under-30 ms latency. keeping audio aligned across all speakers. Speech and video sound natural with no noticeable delay or echo during shared listening.
【Simple Setup. No App Required】Connect the transmitter to your TV. phone. or laptop via optical. AUX. or Bluetooth. Power on and speakers auto-connect with no app installation or complex setup steps.
【Not For Large Outdoor Venues】Not designed for large outdoor spaces or very loud environments due to limited maximum volume. Best suited for indoor use where clear. synchronized audio coverage is required.
【Limited Microphone Input Type】Not compatible with USB mics. direct XLR mics. or 3.5mm TRRS headset mics. Requires line-level output (3.5mm TRS or RCA) from a powered mic. wireless receiver. or mixer.
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: Does this work as a PA system with a microphone?
A: No. This is not a PA or sound amplification system. It is designed for audio distribution only and requires a line-level output from a powered mic receiver or mixer
Q5: Can I use one speaker by itself?
A: Yes. Each speaker also works alone as a regular Bluetooth speaker.
1Independent Volumes2Perfectly Positioned 3Easily Portable4Always In Sync Wireless Technology2.4GHz RF + Bluetooth 5.4Input OptionsBluetooth. Optical. AUX (3.5mm)Speaker Range (to Base)Up to 65 ft / 20 mBluetooth 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 syncBattery TypeBuilt-in rechargeable (speakers only)Playtime per ChargeUp to 6 hoursCharging Time4 hoursPower Port (Transmitter)USB-CPower Supply5V / 1–2ASpeaker Output15W. THD ≤ 1%Supported BT ProfilesA2DP. AVRCP. HSP. HFPSpeaker Size8.3 × 3.5 × 3.5 in (210 × 90 × 90 mm)Speaker Weight2.1 lbs (940 g) per unit