I ended up trying this a while ago with a Bluetooth transmitter, but even with the Bluetooth speaker turned all the way up and volume up on Chromecast, it wasn't loud enough to hear - it was like the...
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I ended up trying this a while ago with a Bluetooth transmitter, but even with the Bluetooth speaker turned all the way up and volume up on Chromecast, it wasn't loud enough to hear - it was like the controller was limiting the volume. The Bluetooth transmitter was an unpowered one, maybe having a powered one would help, but then you may as well go down the wired route and run a long 3mm jack lead to a speaker.