JBL Connect+ BASS TEST!!! JBL Charge 4 vs. (3x) JBL Charge 3 vs. (2x) JBL Flip 4 vs. JBL Pulse 3 !!! - YouTube
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