AKG K550 vs Sennheiser HD 239: 20 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. 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 K550
Sennheiser HD 239
45% have it
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.
32 Ohms
Flips Solo 2 Social: 4 Ohms
32 Ohms
5. 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 K550
Sennheiser HD 239
35% have it
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
114dB/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 K550
Sennheiser HD 239
69% have it
8. has a tangle free cable
The cable is designed to minimize tangling.
AKG K550
Sennheiser HD 239
24% 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 K550
Sennheiser HD 239
46% have it
10. can be folded
Folding devices are good for transporting as they take up less space in your bag.
AKG K550
Sennheiser HD 239
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 K550
Sennheiser HD 239
76% have it
12. 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 K550
Sennheiser HD 239
40% have it
13. has included ear pads
Allows you to change ear pads without buying new ones.
AKG K550
Sennheiser HD 239
42% have it
14. travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
A straight plug is better when the jack is on the top or bottom of your player.
AKG K550
Sennheiser HD 239
50% 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 K550
Sennheiser HD 239
83% have it
17. sweat resistant
Resistance to sweat makes it ideal for use while doing sports.
AKG K550
Sennheiser HD 239
11% have it
18. cable length
A long cable ensures more freedom of movement.
3m
Pioneer SE-A1000: 6m
1.4m
19. 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 K550
Sennheiser HD 239
23% have it
20. has an open-back design
The device is designed in a way that allows sound to go out through the back of the ear cups, which usually have vents or perforations. This design provides very natural and accurate sound.