The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
22000Hz
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.
18Hz
Sony MH1CBLK: 1Hz
3. weight
262g
Sony MDR-EX150AP: 3g
4. impedance
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.
22 Ohms
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.
115dB/mW
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.
Sennheiser HD 2.30
69% 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.
Sennheiser HD 2.30
46% have it
8. can be folded
Folding devices are good for transporting as they take up less space in your bag.
Sennheiser HD 2.30
31% have it
9. 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.
Sennheiser HD 2.30
41% have it
10. 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.
Sennheiser HD 2.30
76% have it
11. Can be used wirelessly
Wireless devices allow users more freedom of movement.
Sennheiser HD 2.30
21% have it
12. has included ear pads
Allows you to change ear pads without buying new ones.
Sennheiser HD 2.30
42% have it
13. travel bag is included
The device comes with its own special case or pouch, which is useful for safe transportation.
Sennheiser HD 2.30
63% 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.
Sennheiser HD 2.30
23% have it
17. warranty period
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.