The Lithe Audio IO1 WiSA Wi-Fi Speakers Pair offers the essentials to start or expand a well rounded home audio system, including a master speaker with a built-in Wi-Fi receiver and amplifier, a passive speaker, and mounting hardware. You can chain multiple iO1 Speakers, plus other Lithe Audio Wi-Fi speakers into a single audio zone or multi-zone system through Ethernet or Wi-Fi connections. The master speaker is WiSA (Wireless Speaker and Audio) certified which enables you to enjoy uncompressed high quality audio, including premium Dolby Audio and Dolby Atmos formats, from compatible audio sources including popular streaming services and media players. Lithe Audio IO1 Wi-Fi Speakers can be installed just about anywhere due to the speaker's versatile mounting design. The Lithe Audio app, for iOS and Android devices, lets you effortlessly control the music throughout your home from a single interface. Color: Black. Manufacturer Part #: 06810W.