The world’s first DDM driver
Proprietary unique technology of Radius enabled two diaphragms, high and low, sit together on the same axis.The DDM scheme to achieve smooth sound and spatial representation that could not be delivered by single diaphragm.

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  • DMM system produces a rich and crisp bass reproduction.It create spacious sound that represent even atmosohere which hasn't been possible with conventional headphones.
  • Nylon cable in pursuit of a fine texture and supple strength.
  • Includes a leather case

Main Features

DDM Technology Basic model HP-TWF11X
カラー 品番 JANコード
Burgundy(Red) 品番HP-TWF11Rx
Noir(Black) 品番HP-TWF11Kx JANコード4531465035925
Driver Type Dynamic
Driver Size Φ15mm/Φ7mm (Dual Diaphragm/CCAW)
Output Sound Pressure Level 105dB/mW
Frequency Range 10~18000Hz
Max. Input 20mW
Impedance 24Ω
Connector Φ3.5mm gold plated stereo mini plug
Cable Length Approx. 120cm (Y Type)


■3 sets of ear caps (S/M/L)
 ■L-type mini plug adapter x1
 ■Cleaning cloth x1
 ■Headphone case x1
 ■User's Manual/Warranty (this document)