The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
20000Hz
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.
20Hz
Sony MH1CBLK: 1Hz
3. 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.
60 Ohms
Flips Solo 2 Social: 4 Ohms
4. 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
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.
Urbanears Plattan Plus
69% have it
6. has a tangle free cable
The cable is designed to minimize tangling.
Urbanears Plattan Plus
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.
Urbanears Plattan Plus
46% have it
8. can be folded
Folding devices are good for transporting as they take up less space in your bag.
Urbanears Plattan Plus
31% have it
9. 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.
40mm
Audeze LCD2 Classic: 106mm
10. has included ear pads
Allows you to change ear pads without buying new ones.
Urbanears Plattan Plus
42% have it
11. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
Urbanears Plattan Plus
50% have it
12. number of microphones
More microphones result in better sound quality and enable the device to filter out background noise.
1
Parrot Zik Sport: 8
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.
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.