| AKG K551 | JBL Synchros S400BT |
Top 35%444 points Top 35% 33 likes | Top 56%298 points Top 56% 22 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
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.
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
49% 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
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
73% 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
38% 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. 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
9. 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.
AKG K551
JBL Synchros S400BT
74% have it
10. 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
55% have it
11. Can be used wirelessly
Wireless devices allow users more freedom of movement.
AKG K551
JBL Synchros S400BT
15% have it
12. 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
13% have it
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.
AKG K551
JBL Synchros S400BT
22% have it
14. 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
87% have it
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