The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
Khan Pro: 40000Hz
2. lowest frequency
The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
Audio Technica ATH-AG1X: 5Hz
3. cable length
A long cable ensures more freedom of movement.
Razer StarCraft II Razer Banshee: 12.13m
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.
Turtle Beach Ear Force XO Seven Pro: 16 Ohms
5. 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.
Asus ROG Strix Wireless: 60mm
6. mic sensitivity
It's the 'loudness' of the sound that the microphone can pick up.
Creative Sound BlasterX H7: 94dBV/Pa
7. sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Razer Kraken 7.1 V2: 123dB/mW
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.
86% have it
9. has an over-the-ear form
Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.
88% have it
10. has a 3.5mm male connector
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
62% have it
11. 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.
60% have it
12. 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.
99% have it
13. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
57% have it
14. no battery needed
This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.