--- product_id: 775115871 title: "Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers" brand: "avantree" price: "€ 91.12" currency: EUR in_stock: false url: https://www.desertcart.sk/products/775115871-avantree-harmony-wireless-speaker-system-for-multiple-rooms-and-outdoor store_origin: SK region: Slovakia --- # sub-30ms ultra-low latency 100ft extended wireless range 3 speakers + 1 transmitter sync Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers **Brand:** avantree **Price:** € 91.12 **Availability:** ❌ Out of Stock ## Summary > 🎉 Elevate every room and party with Avantree Harmony—where your soundscape meets limitless possibilities! ## Quick Answers - **What is this?** Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers by avantree - **How much does it cost?** € 91.12 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/775115871-avantree-harmony-wireless-speaker-system-for-multiple-rooms-and-outdoor) ## 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 - • **Powerful Dual Drivers:** Each portable speaker delivers rich, booming bass and crisp highs with dual drivers and bass radiators. - • **Scalable Sound System:** Expand your party or home setup up to 100 speakers for immersive, synchronized audio everywhere. - • **Ultra-Low Latency Sync:** Experience flawless audio timing with less than 30ms delay—perfect for movies, gaming, and live events. - • **Extended Wireless Freedom:** Place speakers up to 100 feet apart and enjoy uninterrupted, high-quality sound throughout your space. - • **Seamless Multi-Room Audio:** Stream crystal-clear sound simultaneously across 3 speakers with effortless auto-connection—no app needed. ## Overview Avantree Harmony is a wireless multi-room speaker system featuring 1 transmitter and 3 portable Bluetooth speakers with separate volume controls. It supports simultaneous audio streaming with ultra-low latency under 30ms, an extended wireless range of up to 100 feet, and scalability up to 100 speakers. Designed for easy setup and high-quality sound, it’s perfect for professional-grade home audio or outdoor gatherings. ## Description Avantree Harmony ## Features - [MULTI-SPEAKER MODE] Connect the included transmitter to an audio source (such as a laptop or tablet) via AUX or optical and output audio through all three speakers simultaneously. - [BLUETOOTH MODE] Connect your phone or other Bluetooth-enabled device directly to one of the three speakers via Bluetooth. Note that you can only connect to one speaker at a time in this mode. - [EASY SETUP] Once the transmitter and speakers are turned on, they’ll all automatically connect – no need to manually pair or use an app. - [HIGH-QUALITY AUDIO] Dual drivers and dual bass radiators in each speaker provide extra-loud, extra-crisp audio. - [NO DELAYS] With a latency of less than 30ms, the speakers work perfectly in sync with each other with no audio delays or stutters. - [SCALABLE TO 100] Add up to 100 Harmony speakers to expand your home speaker system while maintaining low latency. Please note that ONLY Harmony add-on speakers (available on the Avantree site) are compatible due to private protocol connections. - [EXTENDED RANGE] An extended range of up to 100ft / 30m allows you to strategically place speakers in other rooms while sustaining a strong, clear connection. ## Technical Specifications | Specification | Value | |---------------|-------| | Mounting Type | Portable | | Model Name | Harmony | | Speaker Type | Multi Room | | Special Feature | wireless | | Recommended Uses For Product | For Multiroom | | Compatible Devices | ['Smartphone', 'Tablet', 'Laptop'] | | Net Quantity | 4.0 Count | | Included Components | 1 AUX 3.5mm audio cable, 1 Optical audio cable, 1 Power cable for transmitter / 3 Charging cables for speakers, 1 Transmitter, 3 Harmony speakers | | Product Dimensions | 80D x 30W x 50H Millimeters | | Is Waterproof | FALSE | | Maximum Range | 1E+2 Feet | | Number of Items | 4 | | Control Method | Touch | | Wireless Communication Technology | Wireless | | Speaker Size | 30.2 Centimetres | | Power Source | Battery Powered | | Brand Name | Avantree | | Batteries | 6 Lithium Ion batteries required. (included) | | Item model number | WSSP-5308 | | Manufacturer | Avantree | | Item Weight | 3 kg 640 g | ## Product Details - **Brand:** Avantree - **Speaker Maximum Output Power:** 15 Watts - **Frequency Response:** 20000 KHz - **Connectivity Technology:** Wireless - **Audio Output Mode:** Stereo ## Images ![Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers - Image 1](https://m.media-amazon.com/images/I/61tGv7mpABL.jpg) ![Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers - Image 2](https://m.media-amazon.com/images/I/51xywuQB9GL.jpg) ![Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers - Image 3](https://m.media-amazon.com/images/I/71n0ulXwpXL.jpg) ![Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers - Image 4](https://m.media-amazon.com/images/I/61PkbeLYGcL.jpg) ![Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers - Image 5](https://m.media-amazon.com/images/I/51oYJWbLlsL.jpg) ## Questions & Answers **Q: How to use Avantree Harmony with my phone?** A: Stream audio to multiple speakers using the Harmony transmitter. Connect via AUX or get an adapter for iPhones. Upcoming 2024 upgrade allows wireless streaming. Free upgrade for existing users. **Q: Can I add my own Bluetooth speakers to the set?** A: No, only Avantree Harmony-Extra speakers are compatible due to private protocol connections. **Q: Can I use the transmitter to transmit audio to my Bluetooth headphones?** A: No, the transmitter will only work with Avantree Harmony speakers or Quartet headphones. ## Frequently Bought Together - Avantree Harmony - Wireless Speaker System for Multiple Rooms & Outdoor Party, 1 Transmitter & 3 Portable Bluetooth Speakers with Separate Volume Controls, Scalable to 100 Multi Speakers - Avantree Bluetooth & Multi-Room Add-On Speaker for Harmony Set --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/775115871-avantree-harmony-wireless-speaker-system-for-multiple-rooms-and-outdoor](https://www.desertcart.sk/products/775115871-avantree-harmony-wireless-speaker-system-for-multiple-rooms-and-outdoor) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-28*