{"product_id":"avantree-harmony-2-multi-room-wireless-stereo-speaker-system-set","title":"Avantree Harmony 2 Multi-Room Wireless Stereo Speaker System - Set","description":"\u003cp\u003eOur review of the Avantree Harmony 2 focuses on buyers who want a simple, reliable multi-room speaker setup without fiddly apps or complex pairing. The Harmony 2 delivers synchronized sound across three battery-powered speakers with a straightforward transmitter that accepts Bluetooth, optical, or AUX inputs. For small to medium rooms, patios, or casual outdoor gatherings the set offers good battery life, independent volume control on each speaker, and a plug-and-play experience that makes multi-speaker audio easy to manage.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-speaker system:\u003c\/strong\u003e The included transmitter can stream audio to all three speakers simultaneously from Bluetooth, optical, or AUX sources, simplifying whole-room playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways in sync:\u003c\/strong\u003e With latency under 30ms the speakers play together without audible delays, echoes, or stutters for cohesive stereo or multi-room sound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalable network:\u003c\/strong\u003e You can expand the system with up to 100 add-on Harmony 2 speakers using the private protocol for larger areas while preserving low latency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffortless setup:\u003c\/strong\u003e Power on the transmitter and speakers and they automatically connect without an app or manual pairing steps, reducing startup time for casual users.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent use:\u003c\/strong\u003e Each speaker also functions as a standalone Bluetooth speaker, so a single unit can be used alone for portability or separate listening zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable placement:\u003c\/strong\u003e Small handles and battery operation let you hang or move speakers easily and even use them while charging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Harmony 2 set is ideal for homeowners who want consistent, synchronized audio across multiple rooms or outdoor spaces without the complexity of mesh Wi-Fi systems or app-dependent setups. It suits people hosting small gatherings, using multiple speakers in living and bedroom areas, or anyone who values quick setup and portable battery operation.\u003c\/p\u003e\u003cp\u003eThose seeking audiophile-grade detail, deep bass in large venues, or broad Bluetooth range from the source beyond 15 ft should look elsewhere; the system is optimized for convenience, synced multi-speaker playback, and moderate listening environments rather than high-SPL professional use.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReliable multi-room sync with less than 30ms latency for uninterrupted group playback.\u003c\/li\u003e\n\u003cli\u003eFlexible connectivity via Bluetooth 5.4, optical, and 3.5mm AUX to suit TVs, phones, and laptops.\u003c\/li\u003e\n\u003cli\u003eIndependent volume control and standalone Bluetooth use for each speaker adds versatility.\u003c\/li\u003e\n\u003cli\u003eSimple, no-app setup and portable battery-powered design make deployment fast and mobile.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTransmitter-to-source Bluetooth range is limited to about 15 ft, which may restrict placement of the audio source.\u003c\/li\u003e\n\u003cli\u003eOnly Harmony 2 add-on speakers are compatible for expansion, so mixing brands or models is not supported.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeakers per set\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter connectivity\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.4, optical, AUX 3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeakers-transmitter range\u003c\/td\u003e\n\u003ctd\u003e65 ft \/ 20 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter-source Bluetooth range\u003c\/td\u003e\n\u003ctd\u003e15 ft \/ 5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatency\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 30 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpandable to\u003c\/td\u003e\n\u003ctd\u003eUp to 100 Harmony 2 add-on speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Avantree Harmony 2 set is a practical choice for users who want easy-to-deploy, synchronized multi-room audio with portable speakers and flexible wired or Bluetooth inputs. It represents good value for casual listening in homes and small outdoor areas, offering dependable sync and expandable coverage for those planning to grow their system.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan the speakers be used separately?\u003c\/strong\u003e\u003cbr\u003eYes. Each speaker can operate independently as a Bluetooth speaker, letting you use single units away from the set.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many additional speakers can be added?\u003c\/strong\u003e\u003cbr\u003eThe transmitter supports up to 100 Harmony 2 add-on speakers, but only Harmony 2 speakers are compatible due to the private protocol.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs an app required to set up the system?\u003c\/strong\u003e\u003cbr\u003eNo. The transmitter and speakers automatically connect when powered on; no app or manual pairing is necessary.\u003c\/p\u003e","brand":"Avantree","offers":[{"title":"Default Title","offer_id":46754708160731,"sku":"B0DJNTPZF7","price":280.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51sUObbwbVL._AC_SL1024.jpg?v=1747843722","url":"https:\/\/gearmusthave.com\/products\/avantree-harmony-2-multi-room-wireless-stereo-speaker-system-set","provider":"GearMustHave","version":"1.0","type":"link"}