The Bang & Olufsen BeoLab 11 is a development of the BeoLab 10 series. The Bang & Olufsen 11 is a subwoofer composed of two six point five inch drivers facing each other in an aluminum shell which can handle extremely low frequencies. The BeoLab 11 is made of anodized aluminum which can be available in white, black, dark gray, red, blue or gold to match Bang & Olufsen’s other products.