| AKG K551 | Sennheiser HD 238 |
Top 53%661 points Top 53% 24 likes | Top 50%698 points Top 50% 25 likes |
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Top specs and features
AKG K551 vs Sennheiser HD 238: 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
23000Hz
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
16Hz
3. weight
199g lighter.
305g
Sony MDR-EX150AP: 3g
106g
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 238
45% 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.
32 Ohms
Flips Solo 2 Social: 4 Ohms
32 Ohms
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
Sennheiser HD 238
35% 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
114dB/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
Sennheiser HD 238
69% have it
9. 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.
AKG K551
Sennheiser HD 238
39% have it
10. can be folded
Folding devices are good for transporting as they take up less space in your bag.
AKG K551
Sennheiser HD 238
31% 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 238
76% 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 HD 238
63% have it
13. 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 238
50% have it
14. 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 238
83% have it
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15. cable length
A long cable ensures more freedom of movement.
1.2m
Pioneer SE-A1000: 6m
1.4m
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 HD 238
23% have it
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