Interspace Industries

Interspace Industries specialises in interface and cueing hardware for corporate live events, designed and built in the UK, and its PC balance boxes have become a standard way of getting clean, balanced audio out of laptops and playback devices at conferences and shows.

Stage Supply carries both interface boxes. The PCBB4 Balance Box converts unbalanced consumer outputs to balanced signals while eliminating ground-loop hum, the cure for the buzz that appears the moment a laptop meets a PA. The USB-C BB3 takes a digital USB-C feed from a laptop straight to balanced XLR, bypassing the headphone output altogether. Specify the PCBB4 for analogue playback sources and the BB3 where a cleaner digital front end matters for presentation audio. Trade accounts are available for production companies fitting out multiple presentation kits.