What are some alternatives?
When comparing EarTrumpet and AudioBridge, you can also consider the following products
Volume2 - Volume2 is an advanced Windows audio mixer, a complete replacement for the standard Volume Control.
BitMidi - 🎹 The wayback machine for old-school MIDI files
Power mixer - Power Mixer is a complete Windows volume control replacement.
Apple HomePod - The new home entertainment system by Apple
Volumouse - From authors website:
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.