Sennheiser HMDC 26-600-B7
Professional Stereo Dynamic Headset with NoiseGard™

OUR PART #  HMDC-26-600-B7

Our Price: $629.95
List Price: $789.00
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The lightweight headsets in Sennheiser's HMDC 26 series, with their closed supra-aural design, have been developed for professional broadcast applications.  The headphones are designed for particularly high sound pressure levels.  The headsets are exceptionally comfortable to wear while providing a high degree of passive noise attenuation.  In contrast to the HMD 26, the HMDC 26 is equipped with active noise compensation, Sennheiser's NoiseGard™.  This makes the headset particularly suited for use in extremely noisy environments.

The dynamic microphone, with a hyper-cardioid pattern features excellent acoustic performance, with linear frequency response over a broad frequency range up to 16 kHz.  Another important feature is it is even less sensitive against structure-borne sound.  The flexible gooseneck microphone can be used on either the left or right side.  Both allow users to make exact adjustments to their individual requirements.

600 Ohms mono, or 1,200 Ohms stereo, dynamic hyper-cardioid microphone BMD 424.

(Kit) USHMDC26-600-B7 = 502453 + 502470 (headset and unterminated steel wire cable with battery control unit)


  • Lightweight broadcast headset
  • Extremely comfortable to wear, even for extended listening, due to atwo-piece automatic headband and soft ear pads
  • Single-sided cable
  • Headphones for high maximum SPL
  • Active Noise Reduction with NoiseGard™
  • ActiveGard™ - protects the user against volume peaks above 105 dB
  • "Flip-away" headphone allows single-sided listening
  • Dynamic microphone (hyper-cardioid) with linear frequency response
  • Flexible microphone boom, can be worn on either left or right-hand side
  • Microphone mutes when the boom arm is upright
  • Cable, microphone boom and ear pads can be changed easily (modularconcept)


  • Transducer principle (headphones): dynamic, closed
  • Ear coupling: supra-aural
  • Frequency response (headphones): 20 Hz - 18 kHz
  • Impedance: 600 Ohms mono / 1,200 Ohms stereo
  • Sensitivity: 108 dB SPL at 1 kHz, 1mW / 110 dB SPL at 1 kHz, 1 V
  • Max. sound pressure level (active): 120 dB SPL at 1 kHz
  • Attenuation: = 18 dB (100 - 300 Hz)
  • Attenuation (active + passive): 15 - 30 dB
  • Distortion: < 0.5% at 1 kHz
  • Contact pressure: Ëś. 3.6 N
  • Microphone: BMD 424
  • Transducer principle (microphone): dynamic, hyper-cardioidcharacteristic
  • Frequency response (microphone): 40 Hz - 16 kHz
  • Sensitivity in free field, no load (1kHz): 0.4 mV / Pa at 1 kHz
  • Impedance: 300 Ohms
  • Operating temperature: -15 °C... +55 °C
  • Storage temperature: -55 °C... +70 °C
  • Weight without cable: Ëś 7.4 oz (210 g)
  • Power supply: 2 x 1.5 V AA alkaline battery (IEC LR 6) or 2 x 1.2 VAA rechargeable battery (IEC LR 6)
  • Operating time (battery): Ëś 60 hours
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