Please explain the primary feature differences between the SRH940 and the SRH840 headphones.
- SRH940 is supplied with a hard plastic carrying case, a coiled cable, and a straight cable.
- SRH940 has a flatter frequency response and lower distortion.
- SRH940 has an improved headband design that is more comfortable to wear and better balanced on the head.
- The SRH940 has ear cups that swivel 90 degrees.
- The SRH940 has velour ear pads that provide better comfort than leatherette ear pads.