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Sennheiser HD 4.40 Around Ear Bluetooth Wireless Headphones (HD 4.40 BT)

4.0 out of 5 stars 427 customer reviews
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  • Bluetooth 4.0 and aptX technologies to deliver exceptional wireless sound quality.. Connectivity Technology: Wireless
  • Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone.
  • Up to 25 hour battery life and is supplied with connecting cable for battery-free listening. Battery Specification: Li-ion Polymer Battery
  • Compatible with most smartphones & tablets.Height: 7.8 in / 19.8 cm. Frequency response :18 - 22,000 Hz
  • Product Dimensions: 7.1 x 3.9 x 10.2 inches
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Frequently bought together

  • Sennheiser HD 4.40 Around Ear Bluetooth Wireless Headphones (HD 4.40 BT)
  • +
  • LTGEM Headphone Case for Sennheiser HD 4.40,HD 598,HD579,HD558,HD202 II,HD201,HD419,HD229,HD202,HD518,HD555 Headphone-Black
  • +
  • Plugable USB Bluetooth 4.0 Low Energy Micro Adapter (Windows 10, 8.1, 8, 7, Raspberry Pi, Linux Compatible; Classic Bluetooth, and Stereo Headset Compatible)
Total price: $126.89
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From the manufacturer

HD 4.40BT Wireless HD 4.50BTNC Sennheiser PXC 550
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 Bluetooth 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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Sennheiser HD 4.40 Around Ear Bluetooth Wireless Headphones (HD 4.40 BT)
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Add to Cart See Details Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (427) 4 out of 5 stars (856) 4 out of 5 stars (353) 4 out of 5 stars (487) 3 out of 5 stars (13) 3 out of 5 stars (155)
Price $99.95 $128.00 $89.99 $298.93 $79.99 $129.00
Shipping FREE Shipping
Exclusively for Prime members
FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com COWIN Approved Sales NY Sennheiser Outlet Amazon.com
Color Black Black Black Black Black Black
Headphone Fit over-ear over-ear over-ear over-ear over-ear over-ear
Item Dimensions 7.08 x 3.94 x 10.25 in 7 x 6.88 x 3.54 in 6.54 x 3.62 x 7.13 in 5.91 x 3.15 x 7.87 in 7.08 x 3.94 x 10.25 in 8 x 6 x 6 in
Item Weight 7.84 ounces 1.5 lbs 0.8 ounces 7.76 ounces 7.84 ounces 1 lb
Additional Features Wireless, Microphone-Feature Bluetooth, Adjustable Bass Noise Cancellation, Wireless, Built-in Microphone, PC Calling, Stereo Sound, Deep bass, 30+hour playtime, Comfortable Over-ear, Lightweight, Wind Noise Reduction, Travel on the plane volume-control, wireless, Foldable wireless

Product description

Color:Black

The HD 4.40 BT is a wireless headset employing Bluetooth 4.0 and aptX technologies to deliver exceptional wireless Hi-Fi sound. It features NFC for simple pairing of compatible devices. This new headset offers ease of use and convenience thanks to intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone. Wearing comfort is assured by their ergonomically designed ear pads. The HD 4.40 BT has excellent battery life, letting listeners enjoy wireless sound for up to 25 hours. A battery-free listening mode is also possible via a supplied detachable cable.


Product information

Color:Black

Technical Specification

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