The 70Mx is similar in design to the ATH-M50x, using 45 mm drivers with copper-clad aluminum wire voice coils with neodymium magnets but it has a much higher performance specs — 5 Hz–40 kHz and an increase in input power.
The earcups swivel, allowing for single-ear use. They are of a collapsible, closed-back circumaural design.
Three detachable cables are provided: 1.2-meter straight, 3-meter straight and 1.2–3-meter coiled.
Ships with a carrying case. Price: $419.