The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
20000Hz
Sony MDR-Z1R: 120000Hz
2. lowest frequency
The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
20Hz
Sony MH1CBLK: 1Hz
3. weight
215g
Sony MDR-EX150AP: 3g
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.
Aedle VK-1
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
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.
Aedle VK-1
35% have it
7. sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
129dB/mW
AKG K553 Pro: 144dB/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.
Aedle VK-1
69% have it
9. has a tangle free cable
The cable is designed to minimize tangling.
Aedle VK-1
24% have it
10. 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.
Aedle VK-1
39% have it
11. 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.
40mm
Audeze LCD2 Classic: 106mm
12. travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
Aedle VK-1
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.
Aedle VK-1
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.
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.