AKG K 272 HDSennheiser CX 685 Sports
Top 64%475 points
Top 64%
Top 50%647 points
Top 50%
AKG K 272 HD
Sennheiser CX 685 Sports
vs
Top specs and features

AKG K 272 HD vs Sennheiser CX 685 Sports: 17 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.
16Hz
Sony MH1CBLK: 1Hz
18Hz

3. weight

140g lighter.
240g
Sony MDR-EX150AP: 3g
100g

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 K 272 HD
Sennheiser CX 685 Sports
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.
55Ohms
Flips Solo 2 Social: 4Ohms
16Ohms

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
91dB/mW
AKG K553 Pro: 144dB/mW
120dB/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 K 272 HD
Sennheiser CX 685 Sports
73% 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 K 272 HD
Sennheiser CX 685 Sports
38% have it

9. 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 K 272 HD
Sennheiser CX 685 Sports
75% have it

10. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K 272 HD
Sennheiser CX 685 Sports
54% 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 K 272 HD
Sennheiser CX 685 Sports
32% have it

12. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K 272 HD
Sennheiser CX 685 Sports
42% have it

13. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K 272 HD
Sennheiser CX 685 Sports
10% 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 K 272 HD
Sennheiser CX 685 Sports
22% have it

15. 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 K 272 HD
Sennheiser CX 685 Sports
87% have it

16. 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 K 272 HD
Sennheiser CX 685 Sports
33% have it

17. Weather sealed

Device is protected with extra seals to prevent failures due to any kind of weather.
AKG K 272 HD
Sennheiser CX 685 Sports
3% have it

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