Sennheiser HD 44

HD 44

The HD 44 (also written HD44) is a stereo headphone manufactured by the Sennheiser Corporation. Here are some of its features and specifications.

  • Frequency Response: 40 Hz to 15 kHz
  • Impedance: 640 Ω (approx)
  • Nominal SPL (DIN 45 580): 94 dB
  • Mass (without cable): 33 g
  • Cable length: 3 m