AKG K551Philips ActionFit in ear
Top 54%594 points
Top 54%
Top 43%744 points
Top 43%
AKG K551
Philips ActionFit in ear
vs
Top specs and features

AKG K551 vs Philips ActionFit in ear: 21 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
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.
12Hz
Sony MH1CBLK: 1Hz
30Hz

3. weight

292g lighter.
305g
Sony MDR-EX150AP: 3g
13g

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
Philips ActionFit in ear
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
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.
AKG K551
Philips ActionFit in ear
33% have it

7. 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
110dB/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.
AKG K551
Philips ActionFit in ear
73% have it

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K551
Philips ActionFit in ear
31% 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
Philips ActionFit in ear
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
Philips ActionFit in ear
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
Philips ActionFit in ear
54% have it

13. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K551
Philips ActionFit in ear
42% have it

14. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K551
Philips ActionFit in ear
64% have it

15. 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

16. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K551
Philips ActionFit in ear
10% have it

17. cable length

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

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
Philips ActionFit in ear
22% have it

19. 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
Philips ActionFit in ear
87% have it

20. has an earbud form

The earbud form is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. For some people it is more comfortable than in-ear form.
AKG K551
Philips ActionFit in ear
4% have it

21. Weather sealed

Device is protected with extra seals to prevent failures due to any kind of weather.
AKG K551
Philips ActionFit in ear
3% have it

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