If you're unfamiliar with kevlar as a material used in speakers, it's popular with B&W and other speaker manufacturers because of its lightweight.
Ọ bụrụ na ị na-amaghị kevvu dịka ihe eji eji okwu ekwu okwu, ọ na-ewu ewu na B & W na ndị ọzọ na-ekwu okwu okwu n'ihi na ọ dị mfe na ike dị elu, nke na-eguzogide mmegharị na mgbada.