vs
AKG K551
Onkyo ES-BT1
Top 51%661 points
Top 51%
Top 60%545 points
Top 60%
AKG K551
Onkyo ES-BT1
Top specs and features

AKG K551 vs Onkyo ES-BT1: 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.
28000Hz
Sony MDR-Z1R: 120000Hz
20000Hz

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
80Hz

3. weight

185g lighter.
305g
Sony MDR-EX150AP: 3g
120g

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.
AKG K551
Onkyo ES-BT1
45% have it

5. 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
90dB/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.
AKG K551
Onkyo ES-BT1
68% have it

7. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K551
Onkyo ES-BT1
30% 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
Onkyo ES-BT1
75% have it

9. Can be used wirelessly

Wireless devices allow users more freedom of movement.
AKG K551
Onkyo ES-BT1
23% have it

10. 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

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
Onkyo ES-BT1
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
Onkyo ES-BT1
49% 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
Onkyo ES-BT1
81% have it

14. number of microphones

More microphones result in better sound quality and enable the device to filter out background noise.
1
Parrot Zik Sport: 8
1

15. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K551
Onkyo ES-BT1
13% 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.
AKG K551
Onkyo ES-BT1
22% have it

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