Koss PRODJ100
Top 27%468 points
Top 27%
Lowest frequency
Number of headphones
lowmidhigh
Top 95%
280 headphones
9.25Hz - 17.5Hz
NaN% of all headphonesYes
No
lowest frequency
highest frequency
impedance
sound pressure level
weight

Koss PRODJ100: 15 facts and highlights

1. highest frequency

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
25000Hz
Sony MDR-Z1R: 120000Hz
152
0

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
10Hz
Sony MH1CBLK: 1Hz
141
0

3. weight

191g
AKG IP2: 3g
122
0

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.
38Ohms
Flips Solo 2 Social: 4Ohms
97
0

5. has sound isolation / passive noise reduction

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.
Koss PRODJ100
48% have it
95
0

6. has a neodymium magnet

Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.
Koss PRODJ100
36% have it
86
0

7. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
99dB/mW
Audeze EL-8 Titanium: 130dB/mW
78
0

8. no battery needed

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.
Koss PRODJ100
73% have it
72
0

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
Koss PRODJ100
30% have it
60
0

10. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
Koss PRODJ100
54% have it
49
0

11. 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.
Koss PRODJ100
73% have it
47
0

12. 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.
Koss PRODJ100
42% have it
46
0

13. has a coiled cord

A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.
Koss PRODJ100
9% have it
37
0

14. cable length

A long cable ensures more freedom of movement.
1.20m
Pioneer SE-A1000: 6m
35
0

15. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
Koss PRODJ100
87% have it
28
0

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