60points

AKG K702

57points

Beyerdynamic DX 120 iE

99points

Plantronics BackBeat Pro 2 SE

90points

Sennheiser HD 4.40 BT

89points

Sennheiser Momentum Wireless

AKG K702
Beyerdynamic DX 120 iE
Comparison winner
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless
vs
vs
vs
vs

32 facts in comparison

AKG K702 vs Beyerdynamic DX 120 iE vs Plantronics BackBeat Pro 2 SE vs Sennheiser HD 4.40 BT vs Sennheiser Momentum Wireless

AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless
60
points
57
points
99
points
90
points
89
points

Why is AKG K702 better than Beyerdynamic DX 120 iE & Plantronics BackBeat Pro 2 SE & Sennheiser HD 4.40 BT & Sennheiser Momentum Wireless?

  • Lowest frequency
    10Hzvs12,20,18,16Hz
  • Has an open-back design

Why is Beyerdynamic DX 120 iE better than AKG K702 & Plantronics BackBeat Pro 2 SE & Sennheiser HD 4.40 BT & Sennheiser Momentum Wireless?

  • Has an in-ear form

Why is Plantronics BackBeat Pro 2 SE better than AKG K702 & Beyerdynamic DX 120 iE & Sennheiser HD 4.40 BT & Sennheiser Momentum Wireless?

  • Has a mute function

Why is Sennheiser HD 4.40 BT better than AKG K702 & Beyerdynamic DX 120 iE & Plantronics BackBeat Pro 2 SE & Sennheiser Momentum Wireless?

  • Impedance
    18 Ohmsvs62,47,32,28 Ohms

Why is Sennheiser Momentum Wireless better than AKG K702 & Beyerdynamic DX 120 iE & Plantronics BackBeat Pro 2 SE & Sennheiser HD 4.40 BT?

  • Has a noise canceling microphone

Top specs and features

Design

1.has stereo speakers
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

2.has a detachable cable
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.

3.has an over-the-ear form
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

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.

4.has a tangle free cable
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

The cable is designed to minimize tangling.

5.has an in-ear form
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

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.

6.can be folded
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

Folding devices are good for transporting as they take up less space in your bag.

Sound quality

1.highest frequency

39800Hz

23000Hz

20000Hz

22000Hz

22000Hz

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

Best

Sony MDR-Z1R

120000Hz

2.lowest frequency

10Hz

12Hz

20Hz

18Hz

16Hz

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

Best

Sony MH1CBLK

1Hz

3.has sound isolation/passive noise reduction
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

4.sound pressure level

105dB/mW

107dB/mW

93dB/mW

113dB/mW

113dB/mW

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

Best

AKG K553 Pro

144dB/mW

5.impedance

62 Ohms

47 Ohms

32 Ohms

18 Ohms

28 Ohms

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.

Best

Flips Solo 2 Social

4 Ohms

6.has a neodymium magnet
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.

Power

1.has a battery level indicator
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

An indicator shows you when the device has low battery.

2.has a rechargeable battery
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

The battery can be recharged and used over again.

3.has a removable battery
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

The battery is removable and can be replaced by the user if broken.

For example

Bang & Olufsen Beoplay H9i

Connectivity

1.Can be used wirelessly
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

Wireless devices allow users more freedom of movement.

2.has a 3.5mm male connector
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

3.supports Bluetooth pairing using NFC
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.

4.Has WiFi
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

The device can connect to WiFi.

For example

Meters OV-1 Bluetooth

Features

1.control panel placed on a device
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

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.

2.can be used as a headset
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.

3.has a noise canceling microphone
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.

4.has a mute function
AKG K702
Beyerdynamic DX 120 iE
Plantronics BackBeat Pro 2 SE
Sennheiser HD 4.40 BT
Sennheiser Momentum Wireless

The device has an option to mute/unmute a conversation directly from the device.

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