Sennheiser PXC 550Plantronics BackBeat Pro 2 SEAKG K551Ferrari Cavallino T150
Top 10%1,212 points
Top 10%
Top 1%1,343 points
Top 1%
Top 54%615 points
Top 54%
Top 47%716 points
Top 47%
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
vs
AKG K551
vs
Ferrari Cavallino T150
vs
Top specs and features

Sennheiser PXC 550 vs Plantronics BackBeat Pro 2 SE vs AKG K551 vs Ferrari Cavallino T150: 30 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.
23000Hz
Sony MDR-Z1R: 120000Hz
20000Hz
28000Hz
20000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
17Hz
Sony MH1CBLK: 1Hz
20Hz
12Hz
20Hz

3. weight

227g
Sony MDR-EX150AP: 3g
289g
305g
54g

4. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
46% have it

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.
490Ohms
Flips Solo 2 Social: 4Ohms
32Ohms
32Ohms
16Ohms

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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
34% have it

7. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
110dB/mW
AKG K553 Pro: 144dB/mW
93dB/mW
114dB/mW
97dB/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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
72% have it

9. has a tangle free cable

The cable is designed to minimize tangling.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
25% have it

10. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
39% have it

11. can be folded

Folding devices are good for transporting as they take up less space in your bag.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
32% have it

12. 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.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
45% have it

13. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
38% have it

14. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
76% have it

Similar comparisons

15. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
52% 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
42% have it

17. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
31% have it

18. has included ear pads

Allows you to change ear pads without buying new ones.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
41% have it

19. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
63% have it

20. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
15% have it

21. Can be used wirelessly

Wireless devices allow users more freedom of movement.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
17% have it

22. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
12% have it

23. has a battery level indicator

An indicator shows you when the device has low battery.
Sennheiser PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
9% have it

24. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
3
Parrot Zik Sport: 8
2
1
1

25. 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 PXC 550
Plantronics BackBeat Pro 2 SE
AKG K551
Ferrari Cavallino T150
86% have it

Top 10 headphones

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