Invented by a studio session drummer for drummers, home studios, stage and studio musicians, and anyone who wants serious isolation! * The ultra-fidelity high input speakers featuring TruSound Tonal Accuracy technology integrated with 29dB of eco-friendly natural passive isolation are incredibly amazing and will not bleed click tracks or pre-recorded music into live microphones! * For sound engineers to monitor the mixer board during live performances while isolating their ears from main speakers * For stage and studio drummers who want to hear how drums are being mixed without having headphones at high volume * Allows studio musicians to hear only the studio mix during recording - eliminating costly return trips to the control room