Audio-Technica ATH-M20xJBL Synchros S400BT
Top 55%598 points
Top 55%
Top 57%569 points
Top 57%
Audio-Technica ATH-M20x
JBL Synchros S400BT
vs
Top specs and features

Audio-Technica ATH-M20x vs JBL Synchros S400BT: 16 facts in comparison

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
22000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
15Hz
Sony MH1CBLK: 1Hz
10Hz

3. 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.
Audio-Technica ATH-M20x
JBL Synchros S400BT
48% have it

4. 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.
Audio-Technica ATH-M20x
JBL Synchros S400BT
33% have it

5. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
96dB/mW
AKG K553 Pro: 144dB/mW
115dB/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.
Audio-Technica ATH-M20x
JBL Synchros S400BT
73% have it

7. has a detachable cable

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
Audio-Technica ATH-M20x
JBL Synchros S400BT
38% have it

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
Audio-Technica ATH-M20x
JBL Synchros S400BT
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 EL-8 Titanium: 100mm
40mm

10. 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.
Audio-Technica ATH-M20x
JBL Synchros S400BT
42% have it

11. 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.
Audio-Technica ATH-M20x
JBL Synchros S400BT
75% have it

12. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
Audio-Technica ATH-M20x
JBL Synchros S400BT
53% have it

13. Can be used wirelessly

Wireless devices allow users more freedom of movement.
Audio-Technica ATH-M20x
JBL Synchros S400BT
16% have it

14. 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.
Audio-Technica ATH-M20x
JBL Synchros S400BT
14% have it

16. 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.
Audio-Technica ATH-M20x
JBL Synchros S400BT
22% have it

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