---
product_id: 634980626
title: "Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set"
brand: "avantree"
price: "29774 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Avantree"
url: https://www.desertcart.is/products/634980626-avantree-bluetooth-and-multi-room-add-on-speaker-for-harmony
store_origin: IS
region: Iceland
---

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

**Brand:** avantree
**Price:** 29774 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your space with sound that moves with you!

## Quick Answers

- **What is this?** Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set by avantree
- **How much does it cost?** 29774 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/634980626-avantree-bluetooth-and-multi-room-add-on-speaker-for-harmony)

## 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

- • **Freedom to Move:** Enjoy stable, high-quality audio up to 100 feet away—perfect for every corner of your home or office.
- • **Expand Your Soundscape:** Add up to 100 speakers to create an immersive multi-room audio experience that’s truly yours.
- • **Crystal-Clear Audio Power:** Dual drivers and bass radiators deliver rich, room-filling sound that elevates every playlist and podcast.
- • **Personalized Volume Control:** Adjust each speaker’s volume independently to tailor the vibe in every room without compromise.
- • **Seamless Phone Connectivity:** Easily connect your phone via Bluetooth for quick, direct streaming when you want to go solo.

## Overview

The Avantree 5308-RX is a sleek, Bluetooth-enabled add-on speaker designed to expand the Avantree Harmony multi-room system. Featuring dual drivers and bass radiators, it delivers powerful, crisp audio with independent volume controls and a wireless range of up to 100 feet. Compatible with smartphones and other devices, it supports seamless multi-room setups with up to 100 speakers, perfect for creating a personalized, immersive sound environment.

## Description

Avantree 5308-RX

Review: Son fantasyicod
Review: 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.

## 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 |
| Best Sellers Rank | 505 in Portable Bluetooth Speakers |
| Colour | Black |
| Compatible devices | Laptop, MP3 Player, Smartphone, Tablet |
| Control method | App |
| Guaranteed software updates until | unknown |
| Included components | speakers |
| Is waterproof | False |
| Item model number | WSSP-5308-RX |
| Item weight | 1.05 Kilograms |
| Manufacturer | Avantree |
| Maximum range | 100 Feet |
| Number of items | 1 |
| Power source | Battery Powered |
| Product dimensions | 13.3D x 11W x 23.5H centimetres |
| Recommended uses for product | For Multi-Room Speaker Systems |
| Speaker size | 9.25 Inches |
| Surround-sound channel configuration | 5.1 |
| Unit count | 1 Count |
| Warranty type | Limited |
| Wireless communication technology | Bluetooth |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Avantree
- **Connectivity technology:** Bluetooth
- **Frequency response:** 20 KHz
- **Model name:** Haut-parleur Harmony-Extra
- **Mounting type:** Handlebar Mount
- **Speaker maximum output power:** 15 Watts
- **Speaker type:** Multi Room
- **Special feature:** Multi-Room Audio, Bluetooth Connectivity, Independent Volumes, Extended Range

## Images

![Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set - Image 1](https://m.media-amazon.com/images/I/51GYI0oCHxL.jpg)
![Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set - Image 2](https://m.media-amazon.com/images/I/51LiUrQg-0L.jpg)
![Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set - Image 3](https://m.media-amazon.com/images/I/61DNM4IxERL.jpg)
![Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set - Image 4](https://m.media-amazon.com/images/I/61gKV8X7HJL.jpg)
![Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set - Image 5](https://m.media-amazon.com/images/I/71Y5-I33ThL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***R on 18 October 2025*

Son fantasyicod

### ⭐⭐⭐⭐⭐ Review
*by J***R on 3 December 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.

### ⭐⭐⭐⭐⭐ Review
*by T***A on 21 October 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.

## Frequently Bought Together

- Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set
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**Shop now:** [https://www.desertcart.is/products/634980626-avantree-bluetooth-and-multi-room-add-on-speaker-for-harmony](https://www.desertcart.is/products/634980626-avantree-bluetooth-and-multi-room-add-on-speaker-for-harmony)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-21*