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Sennheiser Bluetooth Active Noise Cancellation Headphones (HD 4.50) - OPEN BOX

Item # SRHD450OB (Part # 506783)
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Item Description:
  • Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality.
  • NoiseGard active noise cancellation to reduce ambient noise levels improving the listening experience.

    ***OPEN BOX***


    This OPEN BOX product you are browsing has been inspected by our qualified technicians to ensure that it meets factory specifications and includes all factory packed accessories. It is guaranteed to be in perfect working order but it is sold in "AS IS" condition (for example, the box may be torn, there may be cosmetic scratches, etc), returns will not be accepted unless the item is found to be defective. Please contact us with any questions BEFORE placing an order. We accept PayPal and all major credit cards. We do our best to describe each item we are selling to the best of our ability. Bear in mind that the item is sold as-is.


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    Meet the Sennheiser HD 4.50BTNC Wireless
    The HD 4.50BTNC Wireless offers just about everything music aficionados with active lifestyles could wish for: Bluetooth 4.0 technology, intuitive ease of use, exceptional wearing comfort and stunningly powerful sound. This elegantly minimalistic closed-back around-ear headset also features Sennheiser NoiseGard active noise cancellation letting you enjoy music, movies or phone calls in peace - everywhere.

    Signature Sennheiser Sound
    Proprietary drivers used in the HD 4.50BTNC Wireless deliver powerful, detailed and well-balanced sound with satisfyingly dynamic bass. Listening sessions are pure joy - no matter the music genre.

    Wireless Freedom
    The HD 4.50BTNC Wireless is equipped with Bluetooth 4.0 featuring aptX codex compatibility providing wireless freedom of movement and exceptional sound quality.

    NoiseGard Active Noise Cancellation
    NoiseGard active noise cancellation virtually eliminates unwanted ambient sound. Whether on a plane, train or noisy street NoiseGard provides a comfortable listening experience allowing you to relax and focus on the music, not the noise.

    Instant Pairing via NFC
    Hassle-free Bluetooth connection is accomplished using Near Field Communication (NFC) with compatible smart devices.

    Intuitive Controls
    Intuitive ear-cup mounted controls make adjusting volume, changing tracks, and managing incoming calls via the integrated microphones a breeze.

    Long Battery Life
    Enjoy up to 19 hour battery life with NoiseGard active noise cancellation engaged and up to 25 hour battery life with NoiseGard switched off. Passive, battery-free listening mode is also possible via a supplied detachable cable when the headset is out of power.

    Great Wearing Comfort
    Soft leatherette covered ear pads provide exceptional wearing comfort for long listening sessions.

    Perfect Portability
    With its side-swivelling ear cups and a robust foldable headband design, the HD 4.50 Wireless can be easily and compactly stored in its supplied protective case.

    Product Details

    • Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality.
    • NoiseGard active noise cancellation to reduce ambient noise levels improving the listening experience.
    • Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone.
    • Up to 19 hour battery life with Bluetooth and NoiseGard activated and is supplied with connecting cable for battery-free listening

    Technical Specifications

    Wearing Style - Around Ear
    Transducer Principle - Dynamic, Closed
    Connectivity - Bluetooth 4.0 / NFC Pairing
    Frequency Response - 18 - 22,000 Hz
    Impedance - 18 ohms
    Sound Pressure Level (SPL) - 113 dB (Passive: 1 kHz /1 Vrms)
    Total Harmonic Distortion (THD) - <0.5% (1 kHz / 100 dB)
    Battery Life - Up to 25 Hours
    Weight (headphones) - 8.4 oz. (238 g)

    HD 4.50 Headphones
    Cables (Audio cable, charging cable)
    Carrying Case
    2-Year Limited Warranty
    This Kit Includes: