Sennheiser HD250BT

Technical Data

• Wearing style

  Headband

• Transducer principle (Microphone)

  ECM

• Sound pressure level (SPL)

  110 dB (1 kHz/0 dBFS)

• • THD, total harmonic distortion

    < 0.3 % (1 kHz, 100 dB SPL)

  • Ear coupling

    Supra-aural

  • Transducer principle

    dynamic, closed-back

  • Pick-up pattern

    Omni-directional microphone Single mic

  • Operating time

    25 hrs (music playback via SBC) with headphones' rechargeable battery

  • Power supply

    built-in rechargeable lithium-polymer battery: 3.7 V ⎓, 190 mAh USB charging: 5 V ⎓, 100 mA max.

  • Operating relative humidity

    Operation: 10 to 80%, non condensing Storage: 10 to 90%

  • Temperature Range

    operation: 0°C to +40°C charging: +10°C to +40°C storage: –20°C to +60 °C

  • Charging time

    up to 3 hrs

  • App support

    Sennheiser Smart Control App for iOS™ and Android™

  • Frequency response

    20 Hz to 22,000 Hz (-10 dB)

  • Frequency response (Microphone)

    100 Hz to 10,000 Hz

  • Weight

    approx. 125g