--- title: Setting Sample Rate for Ensemble FireWire description: To set Ensemble’s sample rate, choose the desired rate in your Core Audio-compatible software application. --- [Skip to content](https://knowledge.apogeedigital.com/setting-sample-rate-for-ensemble-firewire#main-content) English Show submenu for translations [Contact us](https://knowledge.apogeedigital.com/kb-tickets/new?hsLang=en) ![Apogee Logo White.png\]](https://knowledge.apogeedigital.com/hs-fs/hubfs/Apogee%20Logo%20White.png?height=40&name=Apogee%20Logo%20White.png) Open main navigation Close main navigation - English Show submenu for translations - [Contact us](https://knowledge.apogeedigital.com/kb-tickets/new) - Go to apogeedigital.com Go to apogeedigital.com How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://knowledge.apogeedigital.com/?hsLang=en) 2. [Legacy Products](https://knowledge.apogeedigital.com/legacy-products?hsLang=en) 3. [Ensemble (Firewire)](https://knowledge.apogeedigital.com/legacy-products?hsLang=en#ensemble-firewire) # Setting Sample Rate for Ensemble FireWire To set Ensemble’s sample rate, choose the desired rate in your Core Audio-compatible software application; Ensemble will set itself to this rate. If the application has no sample rate setting, open the OSX utility Audio Midi Setup. - Select Ensemble in the column on the left - In the details on the right, change the Format field to the desired sample rate ### How do I use Apogee Ensemble at 176.4–192k sample rates? To operate Ensemble at a sample rate of 176.4-192k, a change must be made to the I/O Allocation setting: #### Using Apogee Maestro 2 1. Select the Device Settings tab. 2. Change I/O Allocation to either 10x10 or 8x8. - *NOTE: As Optical I/O is not supported at these sample rates, their associated FireWire paths are disabled to conserve CPU bandwidth.* 3. After changing I/O Allocation, it is strongly recommended to restart the computer and power the Ensemble off and then on. #### Using Apogee Maestro 1 1. Open Apogee Maestro 1. 2. Go to the Tools menu at the top of the display and select Maestro Control. 3. In the Control window, select the Setting tab. 4. Change I/O Allocation to either 10x10 or 8x8. - *NOTE: As Optical I/O is not supported at these sample rates, their associated FireWire paths are disabled to conserve CPU bandwidth.* 5. 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