---
product_id: 634980626
title: "Bluetooth & Multi-Room Add-On Speaker for Harmony Set"
brand: "avantree"
price: "30702 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Avantree"
url: https://www.desertcart.is/products/634980626-bluetooth-and-multi-room-add-on-speaker-for-harmony-set
store_origin: IS
region: Iceland
---

# Dual drivers + bass radiators 100ft Bluetooth range 15W max output power Bluetooth & Multi-Room Add-On Speaker for Harmony Set

**Brand:** avantree
**Price:** 30702 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate every room with sound that speaks your style.

## Quick Answers

- **What is this?** Bluetooth & Multi-Room Add-On Speaker for Harmony Set by avantree
- **How much does it cost?** 30702 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-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

- • **Crystal-Clear Audio:** Dual drivers and bass radiators deliver rich, loud, and crisp sound that fills every corner.
- • **Scale Your Soundscape:** Add up to 100 speakers for a truly immersive multi-room audio experience.
- • **Plug & Play Versatility:** Easily integrates with your Avantree Harmony set and works flawlessly across multiple rooms.
- • **Personalized Volume Control:** Adjust each speaker’s volume independently to tailor your perfect sound environment.
- • **Seamless Bluetooth Connectivity:** Connect directly to your phone with stable 100ft range for uninterrupted streaming.

## Overview

The Avantree 5308-RX is a powerful add-on Bluetooth speaker designed to expand your Avantree Harmony multi-room system. With 15 watts of output, dual drivers, and bass radiators, it delivers crisp, loud audio. It supports up to 100 speakers for scalable home audio, offers a 100ft Bluetooth range, and allows independent volume control per speaker, making it perfect for a seamless, personalized multi-room listening experience.

## 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 |
| Age Range Description | Adult |
| Antenna Location | For Multi-Room Speaker Systems |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 6 Hours |
| Best Sellers Rank | 1,339 in Portable Bluetooth Speakers |
| Bluetooth Range | 100 Feet |
| Box Contents | speakers |
| Brand Name | Avantree |
| Colour | Black |
| Compatible Devices | Laptop, MP3 Player, Smartphone, Tablet |
| Connectivity Protocol | Bluetooth |
| Control Method | App |
| Controller Type | Bluetooth, Button |
| Country of Origin | China |
| Customer Package Type | Standard Package |
| Customer Reviews | 4.3 4.3 out of 5 stars (26) |
| EU Spare Part Availability Duration | 7 Years |
| Enclosure Material | Polyvinyl chloride (PVC) or Polycarbonate (PC) or Metal or Plastic or Aluminum or Thermoplastic Polyurethane (TPU) or Acrylonitrile Butadiene Styrene (ABS) |
| Frequency Response | 20 KHz |
| Is Waterproof | False |
| Item Dimensions D x W x H | 13.3D x 11W x 23.5H centimetres |
| Item Weight | 1.05 Kilograms |
| MP3 player | No |
| Manufacturer | Avantree |
| Maximum Range | 100 Feet |
| Maximum Speaker Output Power (in watts) | 15 Watts |
| Model Name | Haut-parleur Harmony-Extra |
| Model Number | WSSP-5308-RX |
| Mounting Type | Handlebar Mount |
| Network Connectivity Technology | Bluetooth |
| Number Of Circuits | 1 |
| Number of Audio Channels | 5.1 |
| Number of Batteries | 1 CR5 batteries required. (included) |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Features | Multi-Room Audio, Bluetooth Connectivity, Independent Volumes, Extended Range |
| Series Number | 5308 |
| Speaker Size | 9.25 Inches |
| Speaker Type | Multi Room |
| Specific Uses For Product | Home multi-room audio systems |
| Subwoofer Connectivity Technology | Wireless |
| Tweeter Diameter | 1 Inches |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | 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

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

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- Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set
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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-04-23*