Bluetooth
The 17 best portable Bluetooth speakers for 2025
Portable Bluetooth speakers are one of the most versatile audio products you can own — they let you enjoy your favorite music wherever you go, whether it’s in the backyard for a BBQ, to the beach for the weekend or on an epic hiking trip. These compact devices deliver excellent sounds and impressive bass, all…
A Bluetooth receiver, an identity deceiver
In mid-October 2015, EDN ran my teardown of Logitech’s Bluetooth Audio Adapter (a receiver, to be precise) based on a CSR (now Qualcomm) BlueCore CSR8630 Single Chip Audio ROM. The CSR module covers the bulk of the bottom half of the PCB topside, with most of the top half devoted to discretes and such for…