Signex is a British manufacturer of professional audio patching equipment, based in Bournemouth, UK and trading since 1985. The company specializes in patch panels, patch cords, and related studio interconnect hardware, designing and building its products in the United Kingdom for studio, broadcast, and live sound applications.

The Isopatch line is Signex's best-known range, including the CPJ48 jack patchbay and the Isopatch Bantam and Bantam Pro series, which use TT/bantam jacks on the front and DB25 (D-Sub) connectors on the rear. Other products include the Q Patch system, MIDI patch panels, bantam and quarter-inch patch leads, optical Toslink patch cords, and lacing bar kits for cable management. Signex products are sold through pro-audio retailers across the UK, Europe, and internationally, and have appeared in studio reviews from publications such as Sound on Sound.

Signex has 3 products cataloged on Equipboard, including Patchbays and Accessories. Their gear is featured by 1 artist, with the strongest followings in Rock and Pop. Notable users include Moses Schneider.