Amazon.com: JBL Flip 6 - Portable Bluetooth Speaker, powerful sound and deep bass, IPX7 waterproof, 12 hours of playtime, JBL PartyBoost for multiple speaker pairing for home, outdoor and travel (Black) : Electronics
How to connect multiple speakers with JBL Connect+ - YouTube
How to Connect Multiple JBL Speakers Together
How to Connect Multiple JBL Speakers Together - YouTube
How to use multiple Bluetooth speakers for amazing sound