Signal connectors

Amphenol Corporation is an American producer of electronic and fiber optic connectors, cable and interconnect systems such as coaxial cables. Amphenol is a portmanteau from the corporation's original name, American Phenolic Corp.

American technology company

thumb|Amplifier and loudspeaker with two elements and crossover networks. Top: normal connection. Bottom: bi-wiring. thumb|A 4-ohm loudspeaker with two pairs of binding posts capable of accepting bi-wiring after the removal of two metal straps