On this page we compare Amazon Echo Sub and JBL LINK 20. Amazon Echo Sub has a louder speaker than JBL LINK 20. JBL LINK 20 takes up less space than Amazon Echo Sub. The first product appears to be heavier than the second. JBL LINK 20 is priced higher than Amazon Echo Sub. The first product is based on Alexa and the second on Google Assistant. We provide here a summary designed for quick reading between Amazon Echo Sub and JBL LINK 20. Published data is always indicative and may contain errors or be subject to change. Always check official sources.