General Description

The closed-back HD 25-1 II purpose-designed, professional monitoring headphones offer high attenuation of background noise. Capable of handling very high sound pressure levels and of extremely robust construction, these headphones perform exceptionally well in high-noise environments, e.g. ENG, sound reinforcement, studio monitoring and audio equipment testing. The capsule is rotatable for one-ear listening. Ideal monitoring headphones for cameramen and DJs.

  • Very lightweight and comfortable, even if used for long periods
  • High maximum sound pressure level
  • 65 .nominal impedance for universal compatibility
  • Tough, detachable steel cable
  • Neodymium ferrous magnet systems and lightweight aluminium/copper voice
  • Built-tough with a 2 YEAR warranty!
Delivery Includes
  • 1 HD 25-1 II
  • 1 adapter to (6.3 mm) stereo jack plug
  • 1 Bag
  • Soft ear pads (1 pair)


Technical Data
Cable length Approx 5 ft. (1.5 m.)
Contact pressure Approx. 2.5 N
Ear coupling On-the-ear
Frequency response (headphones) 16 - 22,000 Hz
Jack plug 3.5/6.3 mm stereo
Load rating 0.2 W
Nominal impedance 70 Ω
Sound pressure level (SPL) 120 dB (SPL)
Total harmonic distortion (THD) < 0.3 %
Transducer principle Dynamic, closed
Weight w/o cable Approx.4.9 oz. (140 g)