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Sennheiser

Sennheiser HD 4.40 BT Wireless Bluetooth Headphones

The new Sennheiser HD 4.40 Wireless offers high-quality wireless sound for every day listening on the move. The closed-back, around-ear headset features Bluetooth 4.0 and aptX compatibility to deliver true Hi-Fi sound with a satisfyingly dynamic bass. Its elegantly minimalistic design has been crafted from robust, high-quality materials to meet the requirements of the street.


  • The Sennheiser HD 4 Series – Let everyday sound great
    You can take it with you. Versatile and vibrant, the new HD 4 series offers you the complete Sennheiser quality package in a range of durable, closed-back over-ear headsets that fulfill your everyday aural needs.
    Add the legendary Sennheiser sound to your everyday routine, and let your life be powered by music.



    HD 4.40 BT Wireless

    Great news for music lovers who lead the mobile life. Here comes a headset that brings on all you need and want to enjoy your music on the go: The wireless freedom of movement, the intuitive ease-of-use, the portability, the effortless style. But most of all: The sound, powered by proprietary Sennheiser drivers.

    Enjoy wireless freedom and great Sennheiser sound. Everywhere. Every day.

    You are listening to well-matured sound
    When you love the sound of the HD 4.40 Wireless, that’s no coincidence at all. The closed-backed design of this headset is fitted with proprietary Sennheiser drivers that came a long way before being allowed to transmit sound to your ears. So, enjoy their well-balanced, amazingly detailed sound with dynamic bass. 

    Strong ties that will free you
    The HD 4.40 Wireless is about freedom of movement. Thus, no cable. Instead you get the latest wireless technology and audio codec with Bluetooth 4.0 and aptX for reliable transmission and true wireless Hi-Fi sound.
While Near Field Communication (NFC) ensures immediate and simple pairing with compatible devices. 

    Control is all at your fingertips
    Want to take or make a call, change a track, adjust the volume? With the intuitive ear-cup mounted controls and the integrated microphones of the HD 4.40 Wireless all this is actually fun. Have a try. 

    Comfort to make you feel at home – everywhere
    The HD 4.40 was made to go places with you – and make these places more pleasurable. With its around-ear design and deep, ergonomically designed ear pads it offers comfort even during extended listening sessions. Its robust foldable headband design that can be easily and compactly stored in the supplied protective case makes for perfect portability. 

    Style as clean as the sound
    Elegantly minimalistic – using tough, high-quality materials: That is how the HD 4.40 Wireless was designed. Its sleek frame not only makes it more comfortable to wear, it also makes a statement of timeless class.

  • Impedance: 18 Ω 

    Frequency response (Microphone): 100 - 10,000 Hz 

    Frequency response: 18 - 22,000 Hz 

    Sound pressure level (SPL): 113dB (Passive: 1kHz/1Vrms) 

    THD, total harmonic distortion: <0.5% (1kHz/100dB) 

    Pick-up pattern: Dual omnidirectional microphones 

    Battery Specification: Li-ion Polymer Battery 

    Codecs: AptX 


  • Sennheiser HD 4.40 BT Wireless Bluetooth Headphones
    Carry Case
    Audio Cable with 2.5mm and 3.5mm Jack Plug
    USB Charging Cable with Micro-USB Connector