AKG K171 MKIISennheiser PMX 685i
Top 50%667 points
Top 50%
Top 53%626 points
Top 53%
AKG K171 MKII
Sennheiser PMX 685i
vs
Top specs and features

AKG K171 MKII vs Sennheiser PMX 685i: 21 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.
26000Hz
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.
18Hz
Sony MH1CBLK: 1Hz
18Hz

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 K171 MKII
Sennheiser PMX 685i
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.
55Ohms
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.
107dB/mW
AKG K553 Pro: 144dB/mW
120dB/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 K171 MKII
Sennheiser PMX 685i
72% have it

7. 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 K171 MKII
Sennheiser PMX 685i
39% have it

8. 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 K171 MKII
Sennheiser PMX 685i
44% have it

9. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K171 MKII
Sennheiser PMX 685i
53% have it

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 K171 MKII
Sennheiser PMX 685i
76% have it

11. 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 K171 MKII
Sennheiser PMX 685i
32% have it

12. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K171 MKII
Sennheiser PMX 685i
42% have it

13. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K171 MKII
Sennheiser PMX 685i
64% have it

14. has a coiled cord

A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.
AKG K171 MKII
Sennheiser PMX 685i
8% have it

16. cable length

A long cable ensures more freedom of movement.
3m
Pioneer SE-A1000: 6m
1.2m

17. 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 K171 MKII
Sennheiser PMX 685i
87% have it

18. 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 K171 MKII
Sennheiser PMX 685i
22% have it

19. 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 K171 MKII
Sennheiser PMX 685i
33% have it

20. has an earbud form

The earbud form is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. For some people it is more comfortable than in-ear form.
AKG K171 MKII
Sennheiser PMX 685i
4% have it

21. Weather sealed

Device is protected with extra seals to prevent failures due to any kind of weather.
AKG K171 MKII
Sennheiser PMX 685i
3% have it

Top 10 headphones

Add to comparison
    Compare
    This page is currently only available in English.