71points

Blue MO-FI

39points

Sennheiser HD 558

Comparison winner
Blue MO-FI
Sennheiser HD 558
vs
vs

18 facts in comparison

Blue MO-FI vs Sennheiser HD 558

Blue MO-FI
Sennheiser HD 558
Blue MO-FI
Sennheiser HD 558

Why is Blue MO-FI better than Sennheiser HD 558?

  • Has sound isolation/passive noise reduction
  • 8 Ohms lower impedance
    42 Ohmsvs50 Ohms
  • Has stereo speakers
  • Has a detachable cable
  • Has active noise cancelling (noise reduction)
  • Can be folded
  • Has an in-line control panel
  • Has a tangle free cable

Why is Sennheiser HD 558 better than Blue MO-FI?

  • 8000Hz higher high-frequency
    28000Hzvs20000Hz
  • 206g lighter
    260gvs466g
  • Has a neodymium magnet
  • 7dB/mW higher sound pressure level
    112dB/mWvs105dB/mW
  • 1.8m longer cable
    3mvs1.2m

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Top specs and features

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Design

1.has stereo speakers
Blue MO-FI
Sennheiser HD 558

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
Blue MO-FI
Sennheiser HD 558

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.has a detachable cable
Blue MO-FI
Sennheiser HD 558

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

4.weight

466g

260g

Best

Sony MDR-EX150AP

3g

5.can be folded
Blue MO-FI
Sennheiser HD 558

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

6.has a tangle free cable
Blue MO-FI
Sennheiser HD 558

The cable is designed to minimize tangling.

relevant

Sound quality

1.highest frequency

20000Hz

28000Hz

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

15Hz

15Hz

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
Blue MO-FI
Sennheiser HD 558

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

112dB/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.has a neodymium magnet
Blue MO-FI
Sennheiser HD 558

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

6.impedance

42 Ohms

50 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

relevant

Connectivity

1.has a 3.5mm male connector
Blue MO-FI
Sennheiser HD 558

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

relevant

Features

1.has an in-line control panel
Blue MO-FI
Sennheiser HD 558

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

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