The Juke Box Highpower Supply is a great upgrade for your Juke Box E and Juke Box S2. Delivering up to 50% more peak power output enables a better dynamic response and more headroom, espe-cially important for low frequencies, resulting in a more accurate translation of overall transients and bass power. It provides true grounding over a 3 pin power connector, which, under some critical power conditions, will reduce hum and noise quite dramatically.