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
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
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.
71% have it
6. has a tangle free cable
The cable is designed to minimize tangling.
24% have it
7. 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.
45% have it
8. can be used as a headset
A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.
40% have it
9. 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.
78% have it
10. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
51% have it
11. 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.
31% have it
12. has included ear pads
Allows you to change ear pads without buying new ones.
41% have it
13. has active noise canceling/noise reduction
This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
12% 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.
23% have it
16. has a noise canceling microphone
These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.
3% have it
17. has an earbud form
The earbud form is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. For some people it is more comfortable than in-ear form.