Using Bright Sign media player with multiple headphones

To listen to one Bright Sign with multiple headphones and If your Brightsign doesnt have a minijack out you need: 
 
 BrightSign media player 
 Swissonic HDMI2.0 Audio Extractor 
 Behringer MicroAMP HA400 
 stereo cinch to jack kabel 
 multiple headphones with optionally converters mini jack to jack