The Panasonic RP-HTX7P-RS headphones are a set of over-ears sponsored by professional skateboarder, Ryan Sheckler. You can see his signature on the left ear cup in the picture below.
Clearly you're aware of who Ryan Sheckler is, care about his choice of headphones, and have rushed out to buy a baker's dozen, great gross, chiliad, or some other comically obscure unit of measurement we had to look up on Wikipedia. Hogshead.
|Sensitivity (at 1 kHz)||99 dB|
|Impedance (at 1 kHz)||40.0 Ohm|