Play Audio from Your Fire TV on Your Echo Devices

Play audio on your compatible Echo device from a Fire TV device after setting up a home cinema group.

Set up your Fire TV and Echo devices, then check for software updates.

Open the Alexa app .
Open Devices .
Select Plus and scroll to the bottom of the screen.
Select Combine speakers.
Select Home Cinema.
Select your compatible Fire TV device.
Select up to two compatible Echo devices to use as speakers, along with an optional Echo Sub.
Select left and right speakers when using two Echo devices.
Name your home cinema and assign it to a room in your house.
Devices in your speaker group should be in the same room as your television.
Follow the directions on your TV to finish set up.