Sennheiser HD 4.40-BT Bluetooth Headphones (Black)

Sold by: 8mm

Rs.6,899.00 Rs.7,490.00

  • Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality ; Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone
  • NFC for simple pairing with compatible devices ; Audio Cable Length (Optional/Detachable): 1.4 m audio cable, 3.5mm angled, gold-plated plug
  • Up to 25 hours battery life and is supplied with connecting cable for battery-free listening
  • Ear coupling closed, circum-aural; Dynamic transducer principle ; Product comes with Case
  • 2 years warranty when purchased from an authorized Sennheiser dealer
  • For any queries contact customer care at toll free on 1800223632
  • With its around-ear design and deep, ergonomically designed ear pads it offers comfort even during extended listening sessions

Sennheiser is shaping the Future of Audio – a vision built on a 70-year history of innovation and a continued drive for excellence that is woven into our company’s DNA and culture. Around the world, our employees share this passion in the pursuit of the perfect sound, creating products that exceed expectations and set new benchmarks in audio.

Meet the Sennheiser HD 4.40BT Wireless

The new Sennheiser HD 4.40BT Wireless offers exceptional sound for every day listening with mobile devices. The comfortable closed-back, around-ear headset is powered by proprietary Sennheiser drivers that deliver a well-balanced, amazingly detailed sound with dynamic bass. Bluetooth wireless technology ensures hassle-free pairing and reliable transmission with smart devices. Its elegantly minimalistic design with foldable headband has been crafted from robust, high-quality materials to meet the requirements of the street.

  • Did you know? Founded in 1945, Sennheiser has a tradition of developing one of the world class audio components. Sennheiser conceives and engineers ‘in house’ to insure reliability, durability and our renowned signature sound


Signature Sennheiser Sound

Proprietary drivers used in the HD 4.40BT Wireless deliver detailed and well-balanced sound with satisfyingly dynamic bass. Listening sessions are pure joy – no matter the genre.

Wireless Freedom

The HD 4.40BT Wireless is equipped with Bluetooth 4.0 featuring aptX codex compatibility providing wireless freedom of movement and exceptional sound quality.

Great Wearing Comfort

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

Instant Pairing via NFC

Hassle-free bluetooth connection is accomplished using Near Field Communication (NFC) with compatible smart devices.

Perfect Portability

Side-swiveling ear cups and a robust foldable headband design insures the HD 4.40BT Wireless can be easily and compactly stored in its supplied protective case.

Intuitive Controls

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

HD 4.40BT Wireless HD 4.50BTNC Wireless PXC 550
Wearing Style Around Ear Around Ear Around Ear
Transducer Principle Dynamic, Closed Dynamic, Closed Dynamic, Closed
Connectivity Buetooth 4.0 / NFC Pairing Buetooth 4.0 / NFC Pairing Bluetooth 4.2, NFC, Cable with Remote
Frequency Response 18 – 22,000 Hz 18 – 22,000 Hz 17 – 23,000 Hz
Impedance 18 Ω 18 Ω Active: 490 Ω / Passive: 46 Ω
Sound Pressure Level (SPL) 113 dB (Passive: 1 kHz /1 Vrms) 113 dB (Passive: 1 kHz / 1 Vrms) 110 dB (1 kHz / 1 Vrms)
Total Harmonic Distortion (THD) <0.5% (1 kHz / 100 dB) <0.5% (1 kHz / 100 dB) <0.5% (1 kHz / 100 dB)
Battery Life Up to 25 Hours Up to 25 Hours Up to 30 Hours
Weight (Headphones) 7.9 oz. (225 g) 8.4 oz. (238 g) 8 oz. (227g)
In the Box HD 4.40BT Headset / 1.4 m Audio Cable / 3.5 mm Angled / Gold-plated Plug / USB Charging Cable HD 4.50BTNC Wireless Headset / 1.4 m Audio Cable / 3.5 mm Angled Plug / USB Charging Cable / Carry Case PXC 550 Wireless Headset / Cable with Remote / Carry Case / USB Cable / IFE Adapters / Manuals




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Vendor Information

  • Vendor: 8mm
  • Address:
  • 4.00 4.00 rating from 9 reviews

Shipping Details

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  • - Items will be shipped within 3 business days after payment.
  • - Please check items when delivered, if damaged, please kindly accept it and contact us immediately.  We will make a confirmation and resend you a new one.


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Packaging Details

  • Unit Type: piece
  • Package Size: 25cm x 32cm x 5cm (9.84in x 12.60in x 1.97in)
  • Package Weight: 0.56kg (1.23lb.)