Anc tech

J56 ANC Over-Ear Headphones Hardware Deep Dive 2025: Engineering Breakdown of the $29 Wonder

J56 ANC Over-Ear Headphones Hardware Deep Dive 2025: Engineering Breakdown of the $29 Wonder

Technical hardware analysis of the J56 Bluetooth ANC headphones: Driver tech, ANC implementation, Bluetooth stack, battery architecture, and build materials. How does a $29 model achieve 40-hour endurance and effective noise blocking?