AKG K44 PerceptionUltrasone HFI-680
Top 59%545 points
Top 59%
Top 54%616 points
Top 54%
AKG K44 Perception
Ultrasone HFI-680
vs
Top specs and features

AKG K44 Perception vs Ultrasone HFI-680: 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
25000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
18Hz
Sony MH1CBLK: 1Hz
15Hz

3. weight

95g lighter.
190g
Sony MDR-EX150AP: 3g
285g

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 K44 Perception
Ultrasone HFI-680
48% have it

5. 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.
32Ohms
Flips Solo 2 Social: 4Ohms
75Ohms

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
115dB/mW
AKG K553 Pro: 144dB/mW
99dB/mW

7. 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 K44 Perception
Ultrasone HFI-680
73% have it

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K44 Perception
Ultrasone HFI-680
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 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 K44 Perception
Ultrasone HFI-680
75% have it

11. 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.
AKG K44 Perception
Ultrasone HFI-680
42% 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 K44 Perception
Ultrasone HFI-680
53% have it

13. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K44 Perception
Ultrasone HFI-680
42% have it

14. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K44 Perception
Ultrasone HFI-680
64% have it

16. 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 K44 Perception
Ultrasone HFI-680
87% have it

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