AKG K44 PerceptionUltrasone HFI-15G
Top 58%577 points
Top 58%
Top 63%505 points
Top 63%
AKG K44 Perception
Ultrasone HFI-15G
Top specs and features

AKG K44 Perception vs Ultrasone HFI-15G: 15 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.
Brainwavz Kidwavz KV-100: 2780000000Hz

2. lowest frequency

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

3. weight

105g lighter.
Sony MDR-EX150AP: 3g

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-15G
45% 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.
32 Ohms
Flips Solo 2 Social: 4 Ohms
32 Ohms

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
AKG K553 Pro: 144dB/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-15G
69% 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-15G
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.
Audeze LCD2 Classic: 106mm

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.
AKG K44 Perception
Ultrasone HFI-15G
40% have it

11. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K44 Perception
Ultrasone HFI-15G
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-15G
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 K44 Perception
Ultrasone HFI-15G
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 K44 Perception
Ultrasone HFI-15G
23% have it

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