By installing a brand new, 6.5-inch polypropylene low-frequency driver for tight, accurate bass response. By installing a new1-inch pure silk-dome transducer on the upper end for a clear, detailed response and a broad sound stage. By improving the overall frequency response and providing magnetic shielding for close placement of video and computers. Finally, by changing, just slightly, the cabinet, giving it a more rounded edge. The result is the Monitor One Mk2, an affordable studio monitor with a sound and performance that will blow you away!