The Silent Brass system lets you play your horn anywhere you want, anytime you want, and with just the kind of ambiance you feel like * You can mix into the sounds of a CD player, a Silent Piano, an electronic keyboard or other Silent Brass, and output your playing into a tape deck or even an amp with speakers * Never again will you have to search for a practice room, have to "stop because it"s getting late" * The Silent Brass system includes Personal Studio, Pickup mute, and earphones