Using the same design technology as the industry-standard Reflexion Filter PRO, the RF-X was conceived to answer the needs of the discerning recording artist working on a budgetMain Features:Proven four-layer acoustic filter designMulti-layer to ensure almost zero sound colorationCapture a great-sounding recording anywhereJust like the RF Pro and RF SPACE, each RF-X is assembled by hand in the sE factoryNow available in multiple finishesIncluded in the X1 S Studio BundleProvides stellar performance and ease-of-useLightweight vented body and efficient, redesigned clamp assembly