Open-air Dynamic Headphones


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These open-air headphones deliver amazing comfort and outstanding sonic quality. With a lightweight honeycomb aluminum casing and extremely comfortable velvet ear pads, the ATH-AD300 headphones produce no sense of pressure on the ears. The self-adjusting wing support automatically adjusts to your head size for easy-wearing listening comfort. A straight cord at the left earpiece terminates to a mini plug with included ¼" adapter.


  • Open-air headphones produce no sense of pressure on the ears, resulting in a completely natural sensation
  • Lightweight honeycomb aluminum casing
  • 40 mm drivers with neodymium magnet systems for superior sound reproduction
  • Self-adjusting 3D Wing Support Housing provides comfortable support for a more enjoyable listening experience
  • Extremely comfortable velvet ear pads
  • OFC (oxygen-free copper) cable
  • Gold-plated stereo 1/8" (3.5 mm) connector with 1/4" (6.3 mm) adapter


Type Open-air Dynamic
Driver Diameter 40 mm
Frequency Response 20 - 25,000 Hz
Maximum Input Power 300 mW
Sensitivity 96 dB/mW at 1 kHz
Impedance 32 ohms
Weight 250 g
Cable 3.0 m (Single) (OFC)
Connector 1/8" (3.5 mm) mini stereo, gold-plated
Magnet Neodymium
Accessories Included Detachable 1/4" (6.3 mm) adapter