The JBL Charge 4 is a good speaker that fills a very specific niche: a long weekend trip car camping or to a remote cabin with a large group of people. In
JBL Charge 4 Quick Review - The Legacy Lives
JBL Flip 4 Bluetooth speaker Review - PhoneArena
JBL Charge 4 (Sand) Waterproof portable Bluetooth® speaker at Crutchfield
JBL Charge 4 Review (and how it compares to the Charge 3)
JBL Charge 4 - Tech Review
Review] The Charge 4 Bluetooth & Wireless Speaker by JBL – Adventure Rig
JBL Charge 4 Review: A Stellar Waterproof Speaker
JBL Flip 4 Review
JBL Charge 4 Review|Watch Before You Buy
JBL Charge 4 review: Portable yet powerful