It can be surprisingly daunting to follow up on a great pair of earbuds. The objective is to make improvements wherever possible without sacrificing anything that people loved about the previous set. That’s where Technics found itself with the $299.99 EAH-AZ100 earbuds, which it announced at CES 2025. I was rather taken with the company’s last flagship set, the AZ80, because of their rich sound and unique ability to pair with three devices at the same time. The new buds look to augment…