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