AKG K545Polk Audio UltraFocus 6000i
Top 49%682 points
Top 49%
Top 48%686 points
Top 48%
AKG K545
Polk Audio UltraFocus 6000i
vs
Top specs and features

AKG K545 vs Polk Audio UltraFocus 6000i: 22 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.
25000Hz
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.
10Hz
Sony MH1CBLK: 1Hz
8Hz

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 K545
Polk Audio UltraFocus 6000i
47% have it

4. 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
16Ohms

5. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
31dB/mW
AKG K553 Pro: 144dB/mW
115dB/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 K545
Polk Audio UltraFocus 6000i
72% have it

7. has a tangle free cable

The cable is designed to minimize tangling.
AKG K545
Polk Audio UltraFocus 6000i
25% have it

8. 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 K545
Polk Audio UltraFocus 6000i
39% have it

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K545
Polk Audio UltraFocus 6000i
32% have it

10. has an in-line control panel

There is a control panel on the cable, so you can easily operate the device without having to interact with it.
AKG K545
Polk Audio UltraFocus 6000i
44% have it

11. 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 EL-8 Titanium: 100mm
13.6mm

12. 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 K545
Polk Audio UltraFocus 6000i
76% have it

13. 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 K545
Polk Audio UltraFocus 6000i
42% have it

14. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K545
Polk Audio UltraFocus 6000i
53% have it

15. has an L-shaped plug

An L-shaped plug is better if the jack is on the left or right side of the device, so that the cable isn't bent, and is less likely to break when the device is in your pocket.
AKG K545
Polk Audio UltraFocus 6000i
31% have it

16. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K545
Polk Audio UltraFocus 6000i
41% have it

17. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K545
Polk Audio UltraFocus 6000i
63% have it

18. has active noise canceling/noise reduction

This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
AKG K545
Polk Audio UltraFocus 6000i
13% have it

19. 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 K545
Polk Audio UltraFocus 6000i
86% have it

20. cable length

A long cable ensures more freedom of movement.
1.2m
Pioneer SE-A1000: 6m
1.4m

21. has a removable battery

The battery is removable and can be replaced by the user if broken.
AKG K545
Polk Audio UltraFocus 6000i
6% have it

22. has an in-ear form

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.
AKG K545
Polk Audio UltraFocus 6000i
33% have it
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