AKG K551Sennheiser Orpheus HE90
Top 55%600 points
Top 55%
Top 58%559 points
Top 58%
AKG K551
Sennheiser Orpheus HE90
vs
Top specs and features

AKG K551 vs Sennheiser Orpheus HE90: 16 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.
28000Hz
Sony MDR-Z1R: 120000Hz
100000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
12Hz
Sony MH1CBLK: 1Hz
8Hz

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.
AKG K551
Sennheiser Orpheus HE90
47% have it

4. 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.
AKG K551
Sennheiser Orpheus HE90
33% have it

5. no battery needed

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.
AKG K551
Sennheiser Orpheus HE90
72% have it

6. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K551
Sennheiser Orpheus HE90
32% have it

7. 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.
AKG K551
Sennheiser Orpheus HE90
44% have it

8. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K551
Sennheiser Orpheus HE90
53% have it

9. 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.
AKG K551
Sennheiser Orpheus HE90
76% have it

10. 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.
AKG K551
Sennheiser Orpheus HE90
42% have it

11. 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.
AKG K551
Sennheiser Orpheus HE90
32% have it

12. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K551
Sennheiser Orpheus HE90
64% have it

13. number of microphones

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

14. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K551
Sennheiser Orpheus HE90
10% have it

16. has an on-ear form

This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.
AKG K551
Sennheiser Orpheus HE90
22% have it

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