AKG K551Sennheiser HD 2.30
Top 55%600 points
Top 55%
Top 52%642 points
Top 52%
AKG K551
Sennheiser HD 2.30
vs
Top specs and features

AKG K551 vs Sennheiser HD 2.30: 18 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
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.
12Hz
Sony MH1CBLK: 1Hz
18Hz

3. weight

43g lighter.
305g
Sony MDR-EX150AP: 3g
262g

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.
AKG K551
Sennheiser HD 2.30
48% 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.
32Ohms
Flips Solo 2 Social: 4Ohms
22Ohms

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
114dB/mW
AKG K553 Pro: 144dB/mW
115dB/mW

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
Sennheiser HD 2.30
73% have it

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K551
Sennheiser HD 2.30
31% have it

9. 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 HD 2.30
44% have it

10. 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.
AKG K551
Sennheiser HD 2.30
36% have it

11. 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 HD 2.30
75% have it

12. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K551
Sennheiser HD 2.30
53% have it

13. Can be used wirelessly

Wireless devices allow users more freedom of movement.
AKG K551
Sennheiser HD 2.30
16% have it

14. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K551
Sennheiser HD 2.30
42% have it

16. 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
Sennheiser HD 2.30
87% have it

17. cable length

A long cable ensures more freedom of movement.
1.2m
Pioneer SE-A1000: 6m
1.4m

18. 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 HD 2.30
22% have it

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