The sE Electronics RF Pro Hardware Upgrade Kit improves your Reflexion Filter Pro's stability, ease of use, performance, and durability - not to mention its aesthetics. The RF Pro Hardware Upgrade Kit lets you pan and tilt the filter, giving you the ability to position it at any angle. Sweetwater has found this a great way to capture an isolated, dry signal. Try it on acoustic guitars, guitar and bass amps, drums, room mics, vocals, brass, strings - or any other source.