If you use a Amazon Fire TV Stick you perhaps want to replace TV Speakers with a Audio System.
To get a 3,5mm Audio Stereo Signal you can take a Ligawo HDMI to DVI Box.
It splits the 2.1 Stereo Audio Signal from digital to 2.1 Analog Signal.
You can plugin:
- Headphones use at Office
- Active Speaker Audio Systems 2.1
- Recorder (for Music Records of Live Concerts)
- Laptop to record with free Suite called Audacity free Download for Win+Linux