As a 2.0 system, the MM-1 sits small. Each speaker is just 6.7 inches high and 3.9 inches wide. Each unit includes a 3 inch woofer and a 1-inch tweeter. On the best speaker, you'll discover four 18-watt Class D amplifiers - two for the best speaker, 2 for the left. You can link the B&W MM-1 to your computer system through a USB cable. To make the system "audiophile evidence", the USB