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
4. 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
5. 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
6. has a tangle free cable
The cable is designed to minimize tangling.
25% have it
7. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
54% have it
8. has included ear pads
Allows you to change ear pads without buying new ones.
42% have it
9. Can be used wirelessly
Wireless devices allow users more freedom of movement.
16% have it
10. control panel placed on a device
There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
14% have it
11. sweat resistant
Resistance to sweat makes it ideal for use while doing sports.
10% have it
12. 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
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.