Koss JR 900
Top 59%267 points
Top 59%
Lowest frequency
Number of headphones
lowmidhigh
Top 90%
315 headphones
17.5Hz - 25.75Hz
NaN% of all headphonesYes
No
lowest frequency
highest frequency
impedance

Koss JR 900: 8 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.
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.
10Ohms
Flips Solo 2 Social: 4Ohms

4. 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 JR 900
48% have it

5. 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 JR 900
73% have it

6. 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 JR 900
42% have it

7. Can be used wirelessly

Wireless devices allow users more freedom of movement.
Koss JR 900
14% 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.
Koss JR 900
12% have it

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