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
3. 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
4. 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
5. 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.
43% have it
6. 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
7. Can be used wirelessly
Wireless devices allow users more freedom of movement.
22% have it
8. 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.
17% have it
9. travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
64% have it
10. number of microphones
More microphones result in better sound quality and enable the device to filter out background noise.
Parrot Zik Sport: 8
11. Bluetooth version
Jabra Elite Active 65t: 5
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 noise canceling microphone
These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.