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
AKG IP2: 3g
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
5. sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
Audeze EL-8 Titanium: 130dB/mW
6. is 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.
33% have it
7. has stereo speakers
Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
73% have it
8. Can be used wirelessly
Wireless devices allow users more freedom of movement.
14% have it
9. 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.
12% have it
10. sweat resistant
Resistance to sweat makes it ideal for use while doing sports.
11% have it
11. number of microphones
More microphones result in better sound quality and enable the device to filter out background noise.
Parrot Zik Sport: 8
12. Bluetooth version
Bang & Olufsen Beoplay H4: 4.20
13. 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
14. maximum bluetooth range
The device can connect at a greater distance via bluetooth / infrared to another device.