The best tech products announced this week include Bang & Olufsen's wireless speaker, Nikon's full-frame camera and more.

Low-loss, wide spectrum coaxial cable great for the low-frequency signals ... while unique gripped molding and corrosion-resistant gold-plated RCA connectors provide a consistently tighter fit ...

The most used form of underwater communication protocol is sound. Sounds are widely used by underwater animals like whales ...