The speaker unit with a 40 mm titanium coated driver to reduce distortion, and designed with a fully sealed driver, providing a full and rich sound. The sound is full and warm and the unit plays bass very well even at low volume levels. The Speaker Unit housing is injected moulded from durable ABS material and is coated with rubber to give a matte look with a soft feeling. Both plugs feature a cable lock that securely locks the cable in place.