The ability to run Alexa and Google Assistant at the same time on one device is the biggest selling point on the Authentics 300.
JBL Authentics 300 - Retro Style Wireless Home Speaker, Built in Battery (4800mAh), Music Streaming Services via Built-in Wi-Fi, Built in Alexa and Google Assistant
JBL Authentics: The Bonkers 270W Smart Speaker (with both Google & Alexa) Makes Waves at IFA 2023 - Yanko Design
JBL Authentics 300 review: Alexa and Google Assistant coexisting
JBL Authentics 300 review: Retro but smart - Can Buy or Not
JBL Authentics 300 review: Portable power, retro style
Alexa and Google Assistant cooperate effectively, albeit not flawlessly, on JBL's latest speaker lineup – AbsoluteMarket
Alexa and Google Assistant cooperate effectively, albeit not flawlessly, on JBL's latest speaker lineup – AbsoluteMarket
JBL Authentics 300 Portable Smart Home Speaker with Wi-Fi, Bluetooth & Voice Assistants - Noel Leeming
JBL Authentics 300 portable speaker review: Large sound in a large package
JBL Authentics 300 Review
JBL Authentics Sound: Authentic you
JBL Authentics 500 review: Loud, bassy, but not enough refinement
JBL Authentics 300 Speaker Review - STG Play
Alexa & Google Assistant now on Harman's JBL Authentics 200, 300, and 500 speakers