Avantree
Harmony A2 – Wireless Auracast Speaker System for Whole-Home Background Audio, Expandable Setup, One-Button Control, Bluetooth/Optical/AUX Input, for Restaurants, Stores & Small Venues
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The Harmony A2 – Wireless Auracast Speaker System for Whole-Home Background Audio, Expandable Setup, One-Button Control, Bluetooth/Optical/AUX Input, for Restaurants, Stores & Small Venues is a niche pick — read recent reviews before buying in the audio & midi category, priced around $299.99, rated 3.0★ across 2 verified Amazon reviews. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies Avantree Harmony A2 – Wireless Auracast Speaker System for… as a niche pick — read recent reviews before buying in the audio & midi category, based on 2 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Avantree's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by Avantree's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 【Scalable Auracast Speaker System】One transmitter powers multiple Harmony A2 speakers at once – add speakers anytime for synchronized audio, and stream to other Auracast-compatible devices across brands.
- 【Firmware Update Reminder】Unlock new features and continuous improvements through firmware updates – including options like keeping the speaker powered on continuously for uninterrupted use.
- 【Whole-Venue Background Audio】 Deliver balanced, synchronized sound across large spaces – perfect for conference rooms, showrooms, restaurants, retail spaces, and event halls.
- 【3 EQ Modes with Simple Controls】 Easily switch between Balance, Voice, and Bass modes. Clearly labeled buttons for power, EQ, and volume simplify management in busy commercial environments.
- 【Bluetooth, Optical & AUX Input】Stream audio from your phone via Bluetooth (works best when your device is near the transmitter), or connect to TVs and media players using Optical or AUX.
Full Specifications
| Brand | Avantree |
|---|---|
| Color | Black |
| Model Name | Harmony A2 |
| Connectivity | Bluetooth |
| Model Number | BTST-5310 |
| Power Source | Transmitter: external via cable (i.e. wall plug); Speakers: internal battery |
| Speaker Size | 30.5 Centimeters |
| Speaker Type | Multi Room |
| Compatibility | Switch |
| Is Waterproof | True |
| Maximum Range | 100 Meters |
| Mounting Type | Tabletop Mount |
| Warranty Type | Limited |
| Built-In Media | 1 * Optical Cable, AUX Cable, 1 * Power Charger, 1 * Transmitter with Charging Cable, 3 * Auracast Speakers with Charging Cables |
Ready to buy?
Avantree Harmony A2 – Wireless Auracast Speaker System for Whole-Home Background Audio, Expandable Setup, One-Button Control, Bluetooth/Optical/AUX Input, for Restaurants, Stores & Small Venues is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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