mc.brick an amazing portable bluetooth speaker which provides a massive sound and deep bass. Customize mc.brick and make it yours! Change the cover and mix the colors… We are sure you will be able to create the mc.brick you are looking for by choosing among our 5 cover colors (same colors as main ones). The top covers can be purchased separately. Stereo, 2 x 5W 40MM – 1.6 inch drivers, 4Ohm. Passive subwoofer 100*25MM – 4*1 inches. Large speaker cavity inside for excellent sound effects. Buddy-jack audio output function to connect 2 or more mc.brick together.