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34 items
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PENTAIR/PENTEK 155430-75 Pleated Filter Cartridge, 20 gpm, 30 Micron, 4-1/2"
1 ×
£35.99
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Vantrue N2 Pro Dual Dash Cam Dual 1920 x 1080P Front and Cabin (2.5K Single Front Recording) 1.5" 310 Degree Dashboard Camera w/ Infrared Night Vision, Sony Sensor, Parking Mode(mini usd port)
1 ×
£169.99
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1.54-inch AMOLED SmartWatch by Indigi® QuadCore CPU - Android 5.1 Lollipop - WiFi - GPS (3G GSM unlocked)
1 ×
£149.99
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GlobalSat BU-353-S4 USB GPS Receiver (Black)
1 ×
£50.00
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Vicks Vapo Steam Liquid Medication for Hot Steam Vaporizers - 8 oz
1 ×
£14.99
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pursonic cs180 portable 130ml handheld fabric fast heatup powerful garment clothes steamer with high capacity for home and travel, white
1 ×
£33.99
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Vornado EV200 1.5 Gallon Evaporative Humidifier for Room up to 700 Square Feet
1 ×
£81.99
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raydrop Humidifiers for Bedroom, 2.5L Top Fill Cool Mist Humidifiers for Home, Large Room, Baby, and Plant, Essential Oil Diffuser with Cycling 7 Color Lights, 360° Nozzle, Auto Shut-Off, White
1 ×
£49.59
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KOCASO Foldable Wireless Headsets Wireless 4.1 Sport Neckband Stereo Headphones Sweatproof Earphones Earbuds w/Mic for Running Hiking
1 ×
£24.12
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Mifaso Power Strip USB C Power Delivery 20W - Flat Plug with 3 Outlets 3 USB Ports(1), 5ft Braided Extension Cord, Compact for Cruise Ship, Travel, Home and Dorm
1 ×
£23.99
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Wick Filter (Set of 2) for SU-4023B
1 ×
£27.99
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Mafia III: Definitive Edition Xbox One [Digital Code]
1 ×
£29.99
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Vornado EVDC300 Energy Smart 750 Sq. Ft. Room Evaporative Humidifier, 1 Gallon
1 ×
£79.99
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Optimus U31002 Humidifier 1.5 Gallon Cool Mist Ultrasonic
1 ×
£45.99
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3.5mm Audio Cable Cord For Bose AE2 AE2i AE2w Around-Ear Headphones Replacement
1 ×
£7.99
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3.5mm Audio Mic Y Splitter Cable Cord Headphone Adapter Female to 2 Male Gold
1 ×
£7.99
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Anti Static Wrist Straps, ESD Components, Stainless Steel Magnetic Tray Grounding Wire Alligator Clip 2.2m 3pcs
1 ×
£15.49
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3D Printer Filament PLA 1.75mm For Printers and Print Pens 10Colors 10m
1 ×
£16.05
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Silicone Headset/Earpiece Case Protective Cover For AirPods 2nd Generation Earphone (Only Cover, Not included earphone)
1 ×
£6.88
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Y Axis Stretch Belt Straighten Tensioner for Ender-3 CR-10 / 10S 3D Printer
1 ×
£15.33
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iPM 3D Virtual Reality Glasses with Bluetooth Remote Control for iPhone & Android
1 ×
£33.99
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Heat Bed Insulation Cotton Foil Self-Adhesive Hotbed Thermal Pad 300*300mm
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£9.44
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Brass Extruder Nozzle Print Head Printhead for 1.75mm Filament 3D Printer 0.8mm
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£5.31
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Smart Watch Men Bracelet Fitness Activity Tracker Wearable Devices Smartwatch Heart Rate Monitor Full Touch Sport Watch for IOS Android
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£45.99
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Samsung Galaxy A51 A515 128GB, 4GB, Duos, 48MP Camera, GSM Unlocked Phone, No Warranty
1 ×
£284.99
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Dowinx Cute Cat-Ear Gaming Chair with Massaging Lumbar Support, Ergonomic Computer Gaming Chair for Girl and Adults, Reclining Comfort Game Chair with Footrest, Pink
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£199.99
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Mgear ANAW1-004-42MM-GLD Stainless Steel Band for Apple Watch 42MM Gold
1 ×
£18.99
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F10 Smart Wristband Heart Rate Blood Pressure Monitor Pedometer Fitness Tracker Women Men Smart Bracelet Watch for Android IOS black
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£27.99
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Rosewill RTCG-TN660 Economy Compatible Toner Cartridge (Replaces Brother TN-660, TN-630) 2,600 Pages Yield, Black
1 ×
£17.99
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Zebra/Eltron-Compatible 3 x 5 Labels (3" x 5") -- BPA Free! (16 Rolls; 300 Labels per Roll)
1 ×
£82.99
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OneAudio Over-Ear DJ Headphones Wired Foldable Headset With 50mm Driver Protein Earmuffs and Shareport for Recording Monitoring Podcast PC TV
1 ×
£38.99
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CAMPARK Wireless Apple Carplay Car Stereo, Portable Dash Mount Android Auto Car Play Screen, 7 Inch Touchscreen Radio Receiver with Siri/Google Assistant, GPS Navigation, Bluetooth Muisc, FM
1 ×
£49.99
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WAVLINK WiFi 6E Wireless Card Intel AX210 Tri-Band 5400Mbps 2.4GHz/5GHz/6GHz Network Adapter with Bluetooth 5.3 for Laptop, Ultra-Low Latency, Support Windows 10/11 (64bit) M.2/NGFF
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Optimus U-32000 2.5 Gallon Warm Mist Humidifier with Wicking Vapor System
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£72.99
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Sennheiser HD4.40 BT Bluetooth Wireless Headphones
£152.95
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
Compatible with most smartphones & tablets
Learn more about the
Sennheiser Electronic corp. HD4.40 BT
Model
Brand
Sennheiser
Model
HD4.40 BT
Details
Type
Headphone
Color
Black
Frequency Response
18Hz-22KHz
THD
<0.5% (1kHz/100dB)
Input Impedance
18 ohms
Sensitivity
113dB S.P.L. at 1KHz
Ear Coupling
Circumaural
Noise Cancelling
Passive
Wireless Type
Bluetooth 4.0
Microphone
Microphone Frequency Response
100Hz-10KHz
Features
Compatibility
N/A
Features
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.
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.
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.
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.
Additional Information
Date First Available
October 13, 2018
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Reviews (3)
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