Celerity sends HDMI signals up to 300m over Fibre Optic cables with the best picture quality and speed for connecting AV components, controllers, switchers, video walls, computers, projectors and televisions. It supports up to 4K 60Hz 4:4:4 colour and HDR video for sharp and detailed images on Ultra HDTV displays. Celerity provides a high...

The Sennheiser HD-820 is a closed-back version of the legendary HD800 headphones, and uses some innovative technology that makes them stunningly transparent. Closed-back designs have historically suffered from unwanted resonances, while open-back designs, famed for their natural, transparent sound, can leak audio and let in ambient sounds...