The Yamaha Silent Brass System allows the performer to play their instrument without disturbing those around them. The system includes a set of mini-headphones, a practice mute (redesigned for 2014), and a Personal Studio amplifier module (also redesigned for 2014). The player plugs the mute and the headphones into the module and then plays. A microphone in the mute picks up the player's own sound and sends it to the amplifier where it is "filled in" and sent to the headphones. This third generat...