RX 9 Music Rebalance
RX 9 Music Rebalance is an audio unit (AU) plugin from iZotope that allows music producers, audio engineers, and mixing professionals to isolate and rebalance individual stems (vocals, drums, bass, instruments) within a stereo or mono mix. It leverages iZotope's source separation technology to extract and adjust the level of each stem independently, making it useful for remixing, mastering, creating alternate mixes, and educational purposes. The plugin integrates with Digital Audio Workstations (DAWs) like Logic Pro, GarageBand, and other AU-compatible hosts on macOS.
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1 suggestionRX 9 Music Rebalance is an audio unit plugin, not a standalone app, and is updated through iZotope's product ecosystem rather than independently. To ensure you have a native Apple Silicon build, use the iZotope Product Portal (available at izotope.com/products) to download and install the latest version of RX 9 or your iZotope plugins. iZotope has shipped native Apple Silicon builds of RX 9 and associated plugins since version 9.10 (released in 2022), so updating through the iZotope Product Portal will provide the native build automatically. Your DAW (Logic Pro, GarageBand, or whichever AU host you use) must also be on a native build for the plugin to load natively — if your host is Intel-only, the plugin will still run under Rosetta 2 until Apple removes Rosetta in macOS 28 (September 2028). After updating both iZotope and your DAW to native builds, the plugin will benefit from improved performance and battery life during music production and mixing sessions.
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