---
product_id: 675990354
title: "Avantree Harmony 2 - Multi-Room Wireless Speaker System for Home & Office | Sync multiple speakers across rooms with low-latency audio via Bluetooth, AUX or optical input, No Wi-Fi or app required"
brand: "avantree"
price: "HK$4758"
currency: HKD
in_stock: true
category: "Avantree"
url: https://www.desertcart.hk/products/675990354-avantree-harmony-2-multi-room-wireless-speaker-system-for-home
store_origin: HK
region: Hong Kong
---

# Ultra low latency <30ms 3-speaker multi-room sync Bluetooth, AUX & optical input Avantree Harmony 2 - Multi-Room Wireless Speaker System for Home & Office | Sync multiple speakers across rooms with low-latency audio via Bluetooth, AUX or optical input, No Wi-Fi or app required

**Brand:** avantree
**Price:** HK$4758
**Availability:** ✅ In Stock

## Summary

> 🎶 Sync your space, amplify your vibe—no fuss, all flow.

## Quick Answers

- **What is this?** Avantree Harmony 2 - Multi-Room Wireless Speaker System for Home & Office | Sync multiple speakers across rooms with low-latency audio via Bluetooth, AUX or optical input, No Wi-Fi or app required by avantree
- **How much does it cost?** HK$4758 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/675990354-avantree-harmony-2-multi-room-wireless-speaker-system-for-home)

## Best For

- avantree enthusiasts

## Why This Product

- Trusted avantree brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Simplicity:** Connect via Bluetooth, AUX, or optical and enjoy instant auto-pairing—no complicated setup or apps required.
- • **Versatile Connectivity:** Compatible with TVs, smartphones, laptops, and more, giving you flexible options for any indoor environment.
- • **Seamless Multi-Room Audio:** Fill your home or office with perfectly synchronized sound across multiple speakers—no Wi-Fi or app needed.
- • **Ultra Low Latency Playback:** Experience crystal-clear, delay-free audio under 30ms, ideal for video, speech, and music without annoying echoes.
- • **Designed for Indoor Excellence:** Optimized for homes, offices, and classrooms with clear, consistent sound—perfect for background music and meetings.

## Overview

The Avantree Harmony 2 is a sleek multi-room wireless speaker system designed for indoor use, delivering synchronized audio across three speakers with ultra low latency under 30ms. It supports Bluetooth, AUX, and optical inputs, requiring no Wi-Fi or app for setup, making it perfect for seamless background music, TV sound, and spoken content in homes, offices, and classrooms.

## Description

desertcart.com: Avantree Harmony 2 - Multi-Room Wireless Speaker System for Home & Office | Sync multiple speakers across rooms with low-latency audio via Bluetooth, AUX or optical input, No Wi-Fi or app required : Electronics

## Features

- 【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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DJNTPZF7 |
| Additional Features | 1. Wireless Speaker System; 2. Pair Audio Source via Bluetooth |
| Antenna Location | Indoor & Outdoor |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 6 hours |
| Best Sellers Rank | #27,497 in Electronics ( See Top 100 in Electronics ) #809 in Portable Bluetooth Speakers |
| Brand | Avantree |
| Built-In Media | 3 Charging Cables for Speakers, 3 Speakers, Optical & AUX 3.5mm Audio Cables, Power Cable for Transmitter, Transmitter |
| Color | Black |
| Compatible Devices | Television, Smartphone, Laptop |
| Connectivity Protocol | Bluetooth, optical, AUX |
| Connectivity Technology | Wireless |
| Control Method | Touch |
| Controller Type | Button |
| Customer Reviews | 4.2 4.2 out of 5 stars (158) |
| Enclosure Material | Plastic |
| Frequency Response | 20 KHz |
| Is Waterproof | False |
| Item Dimensions D x W x H | 12.2"D x 4.33"W x 11.81"H |
| Manufacturer | Avantree |
| Model Name | Harmony 2 |
| Model Number | WSSP-5308 |
| Mounting Type | Lanyard on the speaker |
| Number of Audio Channels | 3 |
| Number of Batteries | 3 CR5 batteries required. (included) |
| Number of Items | 4 |
| Power Source | Corded Electric |
| Speaker Maximum Output Power | 15 watts |
| Speaker Size | 21 centimeters |
| Speaker Type | Multi Room |
| Specific Uses For Product | Indoor & Outdoor, Multi-room Audio |
| Unit Count | 3 Count |
| Warranty Description | Warranty - 24 months (product registration to cover first 12m return shipment cost) | Extensive Support: Chat, Email, Phone, Online Clinic, Video Tutorials, FAQ and Registration - avantree.com/support |
| Warranty Type | Limited |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio Output Mode:** Stereo
- **Brand:** Avantree
- **Connectivity Technology:** Wireless
- **Frequency Response:** 20 KHz
- **Speaker Maximum Output Power:** 15 watts

## Images

![Avantree Harmony 2 - Multi-Room Wireless Speaker System for Home & Office | Sync multiple speakers across rooms with low-latency audio via Bluetooth, AUX or optical input, No Wi-Fi or app required - Image 1](https://m.media-amazon.com/images/I/51sUObbwbVL.jpg)

## Frequently Bought Together

- Avantree Harmony 2 - [Bluetooth Version] Advanced Multi-Room Wireless Stereo Speaker System for Home & Outdoor, with Bluetooth & Wired Input Options, Set of 3 - Each Speaker Can Be Used Independently
- Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set

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**Shop now:** [https://www.desertcart.hk/products/675990354-avantree-harmony-2-multi-room-wireless-speaker-system-for-home](https://www.desertcart.hk/products/675990354-avantree-harmony-2-multi-room-wireless-speaker-system-for-home)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-08-12*