52points

AKG K 550

58points

Blue Sadie

94points

Plantronics BackBeat Pro 2

92points

Sennheiser HD 4.50 BTNC

AKG K 550
Blue Sadie
Comparison winner
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC
vs
vs
vs

31 facts in comparison

AKG K 550 vs Blue Sadie vs Plantronics BackBeat Pro 2 vs Sennheiser HD 4.50 BTNC

AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

Why is AKG K 550 better than Blue Sadie & Plantronics BackBeat Pro 2 & Sennheiser HD 4.50 BTNC?

  • Lowest frequency
    12Hzvs15,20,18Hz

Why is Blue Sadie better than AKG K 550 & Plantronics BackBeat Pro 2 & Sennheiser HD 4.50 BTNC?

  • Has an in-line control panel

Why is Plantronics BackBeat Pro 2 better than AKG K 550 & Blue Sadie & Sennheiser HD 4.50 BTNC?

  • Has included ear pads
  • Has a mute function

Why is Sennheiser HD 4.50 BTNC better than AKG K 550 & Blue Sadie & Plantronics BackBeat Pro 2?

  • Weight
    221.1gvs305,444,289g
  • Impedance
    18 Ohmsvs32,42,32 Ohms
  • Has a neodymium magnet
  • Supports Bluetooth pairing using NFC

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Top specs and features

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Design

1.has stereo speakers
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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 an over-the-ear form
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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.

3.weight

305g

444g

289g

221.1g

Best

Sony MDR-EX150AP

3g

4.has a detachable cable
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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

5.can be folded
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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

6.has a tangle free cable
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

The cable is designed to minimize tangling.

For example

SoundMagic E11C

relevant

Sound quality

1.lowest frequency

12Hz

15Hz

20Hz

18Hz

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

2.highest frequency

28000Hz

20000Hz

20000Hz

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

3.has sound isolation/passive noise reduction
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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

4.has a neodymium magnet
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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

5.impedance

32 Ohms

42 Ohms

32 Ohms

18 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 active noise cancelling (noise reduction)
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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.

relevant

Power

1.has a battery level indicator
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

An indicator shows you when the device has low battery.

2.has a rechargeable battery
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

The battery can be recharged and used over again.

relevant

Connectivity

1.Can be used wirelessly
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

Wireless devices allow users more freedom of movement.

2.has a 3.5mm male connector
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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 K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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 K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

The device can connect to WiFi.

For example

Meters OV-1 Bluetooth

relevant

Features

1.control panel placed on a device
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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.has an in-line control panel
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

There is a control panel on the cable, so you can easily operate the device without having to interact with it.

3.can be used as a headset
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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.

4.has a noise canceling microphone
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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

For example

Microsoft Surface Headphones

5.has a mute function
AKG K 550
Blue Sadie
Plantronics BackBeat Pro 2
Sennheiser HD 4.50 BTNC

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

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