How to change Alexa’s voice - The Verge
Any query to an Echo device that’s not supported by the chosen celebrity voice will get a response from the native Alexa voice.
There are two ways you can change the voice of Alexa on your Echo devices: through the device itself or through the Alexa app.Changing the voice only applies to the Echo device you’re currently using — if you want to switch to the masculine voice on multiple Echo speakers or displays in your home, you’ll have to do it one at a time.