| AKG K551 | JBL Synchros S400BT |
Top 53%661 points Top 53% 24 likes | Top 59%583 points Top 59% 21 likes |
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Top specs and features
AKG K551 vs JBL Synchros S400BT: 14 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.
28000Hz
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.
12Hz
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.
AKG K551
JBL Synchros S400BT
45% have it
4. sound pressure level
Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
114dB/mW
AKG K553 Pro: 144dB/mW
115dB/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.
AKG K551
JBL Synchros S400BT
69% have it
6. 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.
AKG K551
JBL Synchros S400BT
39% have it
7. can be folded
Folding devices are good for transporting as they take up less space in your bag.
AKG K551
JBL Synchros S400BT
31% have it
8. 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.
AKG K551
JBL Synchros S400BT
76% 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.
50mm
Audeze LCD2 Classic: 106mm
40mm
10. Can be used wirelessly
Wireless devices allow users more freedom of movement.
AKG K551
JBL Synchros S400BT
21% have it
11. 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.
AKG K551
JBL Synchros S400BT
17% have it
12. has a straight plug
A straight plug is better when the jack is on the top or bottom of your player.
AKG K551
JBL Synchros S400BT
50% have it
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.
AKG K551
JBL Synchros S400BT
83% have it
14. 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.
AKG K551
JBL Synchros S400BT
23% have it
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