The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
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.
Sony MH1CBLK: 1Hz
AKG IP2: 3g
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.
Flips Solo 2 Social: 4Ohms
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.
36% have it
6. sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Audeze EL-8 Titanium: 130dB/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.
73% have it
8. has a tangle free cable
The cable is designed to minimize tangling.
27% have it
9. can be folded
Folding devices are good for transporting as they take up less space in your bag.
30% have it
10. has an L-shaped plug
An L-shaped plug is better if the jack is on the left or right side of the device, so that the cable isn't bent, and is less likely to break when the device is in your pocket.
32% have it
11. has stereo speakers
Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
74% have it
12. cable length
A long cable ensures more freedom of movement.
Pioneer SE-A1000: 6m
13. 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.
22% have it
14. diaphragm size
The diaphragm moves air back and forth to create sound. The bigger the diaphragm, the more bass it can produce.
Oppo PM-1: 85mm
15. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.