vs
vs
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Top 54%611 points
Top 54%
Top 3%1,285 points
Top 3%
Top 10%1,186 points
Top 10%
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Top specs and features

Etymotic HF2 vs Plantronics BackBeat Pro 2 SE vs Sennheiser HD 4.40 BT: 37 facts in comparison

1. highest frequency

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
15000Hz
Sony MDR-Z1R: 120000Hz
20000Hz
22000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
20Hz
Sony MH1CBLK: 1Hz
20Hz
18Hz

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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
44% have it

4. weight

37g
Sony MDR-EX150AP: 3g
289g
221.1g

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.
16 Ohms
Flips Solo 2 Social: 4 Ohms
32 Ohms
18 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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
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.
105dB/mW
AKG K553 Pro: 144dB/mW
93dB/mW
113dB/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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
76% have it

11. 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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
47% have it

12. can be folded

Folding devices are good for transporting as they take up less space in your bag.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
31% have it

13. has a tangle free cable

The cable is designed to minimize tangling.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
23% have it

14. has an in-line control panel

There is a control panel on the cable, so you can easily operate the device without having to interact with it.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
47% have it

15. 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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
15% have it

16. Can be used wirelessly

Wireless devices allow users more freedom of movement.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
27% have it

17. 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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
39% have it

18. 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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
19% have it

19. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
64% have it

20. has included ear pads

Allows you to change ear pads without buying new ones.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
44% have it

21. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
48% have it

22. 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.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
30% have it

23. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
1
Parrot Zik Sport: 8
2
2

24. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
80% have it

25. has a battery level indicator

An indicator shows you when the device has low battery.
Etymotic HF2
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
18% have it

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