Echo 4 - Teardown and few measurements
Echo Dot gets improved sonic performance - EDN Asia
Teardown: 4th generation Echo Dot
Echo Pop Smart Speaker teardown
Echo Dot Mk II teardown reveals significant cost reduction effort: ABI
Echo Teardown - iFixit
Deep Dive Teardown of the Echo Studio (2nd Gen) O2T2V3 Smart Speaker
Teardown: 's fourth-generation echo dot - EDN Asia
Echo Sub: Good Hardware Meets Limited Software
Echo Dot 1st Generation - iFixit
Disassembling the Echo Studio, 's Apple HomePod foe - EDN
Echo teardown gets inside the smart speaker powered by the cloud - CNET