Weatherproof Design for Outdoor Use: This 28mm internal magnet sound component features weather resistant construction, ensuring consistent function in wet conditions. Perfect for outdoor enthusiasts and travelers needing resilient sound equipment. Powerful Internal Magnet for Enhanced Sound: With a strong internal magnet, this 8Ω 2W unit delivers deeper low frequencies, minimized distortion, and richer output, creating clear and dynamic sound reproduction. double Mounting Points for Secure Installation: Designed with two fixing holes, this unit can be firmly positioned without additional tools, providing stable placement for repeated applications. Compact 28mm Size for Convenient Carrying: The small 28mm form factor makes this device easy to transport, ideal for various traveling scenarios. Package includes: 4Pcs 28mm Waterproof miniature speakers