AKG K845BTKoss QZ900
Top 33%899 points
Top 33%
Top 43%762 points
Top 43%
AKG K845BT
Koss QZ900
vs
Top specs and features

AKG K845BT vs Koss QZ900: 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.
20000Hz
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.
20Hz
Sony MH1CBLK: 1Hz
20Hz

3. weight

70g lighter.
288g
Sony MDR-EX150AP: 3g
218g

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 K845BT
Koss QZ900
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
32Ohms

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
102dB/mW
AKG K553 Pro: 144dB/mW
100dB/mW

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 K845BT
Koss QZ900
38% have it

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K845BT
Koss QZ900
31% have it

9. 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 K845BT
Koss QZ900
44% have it

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 K845BT
Koss QZ900
42% have it

11. 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 K845BT
Koss QZ900
75% 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 K845BT
Koss QZ900
53% have it

13. Can be used wirelessly

Wireless devices allow users more freedom of movement.
AKG K845BT
Koss QZ900
16% have it

14. control panel placed on a device

There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
AKG K845BT
Koss QZ900
14% have it

16. 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 K845BT
Koss QZ900
13% have it

17. has a battery level indicator

An indicator shows you when the device has low battery.
AKG K845BT
Koss QZ900
8% have it

18. 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 K845BT
Koss QZ900
87% have it

19. cable length

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

20. has a removable battery

The battery is removable and can be replaced by the user if broken.
AKG K845BT
Koss QZ900
6% have it

21. Has WiFi

The device can connect to WiFi.
AKG K845BT
Koss QZ900
1% have it

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