---
product_id: 659920868
title: "Bluetooth & Multi-Room Add-On Speaker for Harmony Set"
brand: "avantree"
price: "46.60 OMR"
currency: OMR
in_stock: true
reviews_count: 9
category: "Avantree"
url: https://www.desertcart.com.om/products/659920868-bluetooth-and-multi-room-add-on-speaker-for-harmony-set
store_origin: OM
region: Oman
---

# 100ft Bluetooth range for seamless multi-room sync Independent volume control per speaker Dual drivers + bass radiators for crisp, loud sound Bluetooth & Multi-Room Add-On Speaker for Harmony Set

**Brand:** avantree
**Price:** 46.60 OMR
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate every room with sound that moves you — and your guests won’t want to leave!

## Quick Answers

- **What is this?** Bluetooth & Multi-Room Add-On Speaker for Harmony Set by avantree
- **How much does it cost?** 46.60 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/659920868-bluetooth-and-multi-room-add-on-speaker-for-harmony-set)

## 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

- • **Expand Your Soundscape:** Add up to 100 speakers to create an immersive multi-room audio experience that keeps every corner of your home in sync.
- • **Crystal-Clear Audio Power:** Dual dynamic drivers and bass radiators deliver rich, room-filling sound that elevates your playlists and podcasts.
- • **Water-Resistant Durability:** Built to withstand everyday splashes, making it ideal for kitchens, bathrooms, or outdoor gatherings.
- • **Effortless Wireless Freedom:** Bluetooth connectivity with a 100ft range lets you control your music from anywhere in your space without missing a beat.
- • **Personalized Volume Control:** Adjust each speaker’s volume independently to tailor the perfect sound balance for every room or occasion.

## Overview

The Avantree Bluetooth & Multi-Room Add-On Speaker seamlessly integrates with the Harmony set, allowing you to expand your home audio system with up to 100 speakers. Featuring dual drivers and bass radiators, it delivers powerful, crisp sound with a wireless Bluetooth range of up to 100 feet. Independent volume controls and water resistance make it perfect for versatile, high-quality multi-room listening.

## Description

Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set

Review: Work great, read directions. - Those who say it will not work while charging are wrong, it turns off when you plug it in, just turn it back on. Using in garage, master bedroom, master bathroom, living room and office. I keep them plugged in.
Review: Great wireless multi-speaker system! - This speaker system worked great! I just threw a huge party and spread 6 of these wireless speakers around our one acre lot. Paired with desertcart Music via Bluetooth, the entire system worked flawlessly with all 6 speakers perfectly in synch.

## Features

- [ADD-ON SPEAKERS] The 5308-RX is intended for use as an add-on speaker for the Avantree Harmony multi-room speaker set. Add up to 100 of these speakers to expand your home speaker system.
- [HIGH-QUALITY AUDIO] Dual drivers and dual bass radiators provide extra-loud, extra-crisp audio.
- [PHONE COMPATIBILITY] Optionally connect the speaker directly to your phone via Bluetooth. Please note that only one speaker can be connected to your phone at a time using Bluetooth.
- [EXTENDED RANGE] Enjoy clear, stable audio at a distance of up to 100ft / 30m from the audio source when used with the transmitter (not included).
- [INDEPENDENT VOLUMES] Adjust the volume on each speaker without affecting others’.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CPSW3ZQS |
| Audio Driver Type | Dynamic Driver |
| Batteries | 1 CR5 batteries required. (included) |
| Best Sellers Rank | #1,228 in Portable Bluetooth Speakers #9,167 in MP3 & MP4 Player Accessories |
| Bluetooth Range | 100 Feet |
| Compatible Devices | Laptop, MP3 Player, Smartphone, Tablet |
| Control Method | Touch |
| Customer Reviews | 4.2 4.2 out of 5 stars (25) |
| Date First Available | May 31, 2024 |
| Is Waterproof | True |
| Item Weight | 2.31 pounds |
| Item model number | WSSP-5308-RX |
| Manufacturer | Avantree |
| Material | Plastic |
| Maximum Range | 100 Feet |
| Model Name | Add-On Speaker for Harmony Set |
| Mounting Type | Tabletop Mount |
| Number of Batteries | 1 CR5 batteries required. (included) |
| Power Source | Battery Powered |
| Product Dimensions | 5.25"D x 4.33"W x 9.25"H |
| Series Number | 5308 |
| Set Name | Avantree Harmony |
| Shape | rectangular prism |
| Speaker Size | 9.25 Inches |
| Speaker Type | Multi Room |
| Surround Sound Channel Configuration | 5.1 |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Water Resistance Level | Water Resistant |
| Wireless Communication Technology | Bluetooth |

## Product Details

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

## Images

![Bluetooth & Multi-Room Add-On Speaker for Harmony Set - Image 1](https://m.media-amazon.com/images/I/51GYI0oCHxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Work great, read directions.
*by J***R on December 3, 2025*

Those who say it will not work while charging are wrong, it turns off when you plug it in, just turn it back on. Using in garage, master bedroom, master bathroom, living room and office. I keep them plugged in.

### ⭐⭐⭐⭐⭐ Great wireless multi-speaker system!
*by T***A on October 21, 2025*

This speaker system worked great! I just threw a huge party and spread 6 of these wireless speakers around our one acre lot. Paired with Amazon Music via Bluetooth, the entire system worked flawlessly with all 6 speakers perfectly in synch.

### ⭐ Not as stated
*by C***V on November 14, 2025*

Will not sync.

## Frequently Bought Together

- Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set
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**Shop now:** [https://www.desertcart.com.om/products/659920868-bluetooth-and-multi-room-add-on-speaker-for-harmony-set](https://www.desertcart.com.om/products/659920868-bluetooth-and-multi-room-add-on-speaker-for-harmony-set)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-20*