AKG K551
Top 34%426 points
Top 34%
Lowest frequency
Number of headphones
lowmidhigh
Top 95%
285 headphones
9.25Hz - 17.5Hz
NaN% of all headphonesYes
No
lowest frequency
highest frequency
impedance
sound pressure level
weight

AKG K551: 15 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.
28000Hz
Sony MDR-Z1R: 120000Hz
152
0

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
141
0

3. weight

305g
AKG IP2: 3g
122
0

4. 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.
32Ohms
Flips Solo 2 Social: 4Ohms
97
0

5. 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
48% have it
95
0

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
114dB/mW
Audeze EL-8 Titanium: 130dB/mW
78
0

7. 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
73% have it
72
0

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K551
30% have it
60
0

9. driver unit size

The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.
50mm
Audeze EL-8 Titanium: 100mm
51
0

10. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K551
55% have it
49
0

11. has stereo speakers

Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
AKG K551
74% have it
47
0

12. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
1
Parrot Zik Sport: 8
36
0

13. cable length

A long cable ensures more freedom of movement.
1.20m
Pioneer SE-A1000: 6m
35
0

14. 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
22% have it
33
0

15. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
AKG K551
88% have it
28
0

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