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
Sony MDR-EX150AP: 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: 4 Ohms
5. sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
AKG K553 Pro: 144dB/mW
6. no battery needed
This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.
67% have it
7. 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.
39% have it
8. 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.
76% have it
9. can be folded
Folding devices are good for transporting as they take up less space in your bag.
31% have it
10. Can be used wirelessly
Wireless devices allow users more freedom of movement.
26% 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.
Audeze LCD2 Classic: 106mm
12. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
49% have it
13. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
80% have it
14. 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.