Equipped with the latest drivers Moshi Audio XR9 extended broadband, Vortex Pro offers an audiophile auditioning experience so attractive that you will want to play their favorite songs over and over again. XR9 channels 9mm ultra high definition offer a clean, natural and agile sound over a much wider range with a depth and exceptional sound frequency plane. At the other end of the equation is our RigidBody ™ casing, consisting of a sintered alloy steel to minimize the induced coloration cavity. Their combination produces a fidelity unsurpassed throughout the sound spectrum, with transparency and precision. Vortex Pro comes with three different sizes of pads silicone hybrid injection and a series of pads memory foam adaptable for listening experience and optimum comfort. The package also includes a custom silicone case for easy storage and accessibility.