This 8ohm 4.5inch full range transducer is a member of the new BMR family. This driver features a powerful neodymium magnet , nestled within an innovative suspension system. The motor contains a copper cap to lower inductance and distortion. The flat cone is honeycomb paper material, with rubber surround, with plastic basket. Is designed to be a high performance full range driver. This family driver is used for shallow applications such as television soundbars and compact music system.