RX 6 De-ess
RX 6 De-ess is an Audio Unit (AU) plugin for macOS that provides professional de-essing — the removal or reduction of sibilance (harsh "s" and "sh" sounds) from vocal recordings and other audio sources. It is part of iZotope's RX 6 audio repair suite and is used by audio engineers, producers, podcasters and mastering professionals to clean up dialogue, vocals and instrument recordings within digital audio workstations like Logic Pro, Ableton Live, Studio One and other AU-compatible hosts.
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1 suggestionRX 6 De-ess is an Audio Unit plugin and not a standalone app — it requires a host DAW to function. To ensure this plugin runs natively on Apple Silicon and remains compatible when Apple removes Rosetta 2 in macOS 28 (September 2028), you must update iZotope RX 6 (the parent product) to its latest version through the iZotope Product Portal. Visit iZotope's website, log into your account in the iZotope Product Portal, and download the current installer for RX 6 — this will update both the standalone application and all included plugins including De-ess to their native Apple Silicon builds. If you also use RX 6 De-ess as a plugin in other DAWs, ensure those host applications are themselves running native builds; most current versions of Logic Pro, Ableton Live, Studio One and other major DAWs support native Apple Silicon and will properly load the updated native De-ess plugin.
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