HD 4.40 BT

Bluetooth

Call/Answer

Wireless/Cordless

With Microphone (Headset)

Article No.

• HD 4.40BT headphones
• Carry case
• Audio cable 2.5 mm and 3.5 mm jack plug
• USB charging cable with micro-USB connector
• Quick guide
• Safety guide

The Sennheiser HD 4.40 BT 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. Up to 25 hours of battery life and an included connecting cable for battery-free listening ensures that you can listen longer.

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
Up to 25 hour battery life and is supplied with connecting cable for battery-free listening
2 year warranty

The Sennheiser HD 4 Series – Let everyday sound great

Take your music with you, anywhere. Versatile and vibrant, the new HD 4 series comprises the complete Sennheiser quality package in a range of durable, closed-back, over-ear headsets that redefine the quality of sound.

Add the legendary Sennheiser sound to your everyday routine, and power your life with music.

HD 4.40 BT

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.

Impedance

18 Ω

Frequency response (Microphone)

100 - 10,000 Hz

Frequency response (Headphones)

18 - 22,000 Hz

Sound pressure level (SPL)

113dB (Passive: 1kHz/1Vrms)

THD, total harmonic distortion

<0.5% (1kHz/100dB)

Pick-up pattern (Microphone

Dual omnidirectional microphones

Battery Specification

Li-ion Polymer Battery

Codecs

AptX

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