Sennheiser HD 4.40 BT
Top 10%1,186 points
Top 10%
Top specs and features
Sennheiser HD 4.40 BT review: 38 facts and highlights
1. highest frequency
The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
22000Hz
Sony MDR-Z1R: 120000Hz
2. lowest frequency
The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
18Hz
Sony MH1CBLK: 1Hz
3. has sound isolation/passive noise reduction
The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.
Sennheiser HD 4.40 BT
44% have it
4. weight
221.1g
Sony MDR-EX150AP: 3g
5. impedance
Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.
18 Ohms
Flips Solo 2 Social: 4 Ohms
6. has a neodymium magnet
Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.
Sennheiser HD 4.40 BT
36% have it
7. sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
113dB/mW
AKG K553 Pro: 144dB/mW
8. no battery needed
This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.
Sennheiser HD 4.40 BT
66% have it
9. has a detachable cable
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
Sennheiser HD 4.40 BT
39% have it
10. has stereo speakers
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
Sennheiser HD 4.40 BT
76% have it
11. can be folded
Folding devices are good for transporting as they take up less space in your bag.
Sennheiser HD 4.40 BT
31% have it
12. can be used as a headset
A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.
Sennheiser HD 4.40 BT
47% have it
13. has a tangle free cable
The cable is designed to minimize tangling.
Sennheiser HD 4.40 BT
23% have it
14. has active noise canceling/noise reduction
This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
Sennheiser HD 4.40 BT
15% have it
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15. Can be used wirelessly
Wireless devices allow users more freedom of movement.
Sennheiser HD 4.40 BT
27% have it
16. has an over-the-ear form
Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.
Sennheiser HD 4.40 BT
39% have it
17. control panel placed on a device
There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
Sennheiser HD 4.40 BT
19% have it
18. travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
Sennheiser HD 4.40 BT
64% have it
19. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
Sennheiser HD 4.40 BT
48% have it
20. has an L-shaped plug
An L-shaped plug is better if the jack is on the left or right side of the device, so that the cable isn't bent, and is less likely to break when the device is in your pocket.
Sennheiser HD 4.40 BT
30% have it
21. number of microphones
More microphones result in better sound quality and enable the device to filter out background noise.
2
Parrot Zik Sport: 8
22. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
Sennheiser HD 4.40 BT
80% have it
23. has a battery level indicator
An indicator shows you when the device has low battery.
Sennheiser HD 4.40 BT
18% have it
24. has a rechargeable battery
The battery can be recharged and used over again.
Sennheiser HD 4.40 BT
20% have it
25. sweat resistant
Resistance to sweat makes it ideal for use while doing sports.
Sennheiser HD 4.40 BT
14% have it
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