49points

AKG K551

90points

Philips SHB8750NC

86points

Philips SHB8850NC

55points

Sony MDR-7550

AKG K551
Comparison winner
Philips SHB8750NC
Philips SHB8850NC
Sony MDR-7550
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vs
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42 facts in comparison

AKG K551 vs Philips SHB8750NC vs Philips SHB8850NC vs Sony MDR-7550

AKG K551
Philips SHB8750NC
Philips SHB8850NC
Sony MDR-7550
AKG K551
Philips SHB8750NC
Philips SHB8850NC
Sony MDR-7550

Why is AKG K551 better than Philips SHB8750NC & Philips SHB8850NC & Sony MDR-7550?

    Why is Philips SHB8750NC better than AKG K551 & Philips SHB8850NC & Sony MDR-7550?

    • Has an over-the-ear form

    Why is Philips SHB8850NC better than AKG K551 & Philips SHB8750NC & Sony MDR-7550?

    • Wireless charging
    • Has voice commands
    • Has an open-back design

    Why is Sony MDR-7550 better than AKG K551 & Philips SHB8750NC & Philips SHB8850NC?

    • Lowest frequency
      3Hzvs12,10,10Hz
    • Weight
      7gvs305,226,232g
    • Has an in-line control panel
    • Travel bag is included
    • Has an L-shaped plug
    • Has an in-ear form
    • Cable length
      1.6mvs1.2,1.2,1.2m

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    Top specs and features

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    Design

    1.has stereo speakers
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

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

    4.weight

    305g

    226g

    232g

    7g

    Best

    Sony MDR-EX150AP

    3g

    5.has an in-ear form
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

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

    relevant

    Sound quality

    1.highest frequency

    28000Hz

    22000Hz

    22000Hz

    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

    12Hz

    10Hz

    10Hz

    3Hz

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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

    114dB/mW

    105dB/mW

    105dB/mW

    108dB/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
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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

    32 Ohms

    16 Ohms

    16 Ohms

    16 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

    Power

    1.has a battery level indicator
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    An indicator shows you when the device has low battery.

    2.has a rechargeable battery
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    The battery can be recharged and used over again.

    3.has a removable battery
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

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

    For example

    Bang & Olufsen Beoplay H9i

    relevant

    Connectivity

    1.Can be used wirelessly
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    Wireless devices allow users more freedom of movement.

    2.has a 3.5mm male connector
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    The device can connect to WiFi.

    For example

    Meters OV-1 Bluetooth

    5.Has 802.11n WiFi connection
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    802.11n is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors - a, b and g.

    For example

    RHA TrueConnect

    6.Has fast 802.11ac WiFi connection
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    802.11ac wireless works on the 5GHz frequency range. It offers higher transfer rates, improved reliability and improved power consumption. It provides advantages for gaming and HD video streaming.

    For example

    JBL Reflect Contour 2

    relevant

    Features

    1.control panel placed on a device
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    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 voice commands
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    You can use your voice to control key functions of the device and you can easily access your device without pushing any button.

    6.has an accelerometer
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.

    For example

    Sony Xperia Ear Duo

    relevant

    Miscellaneous

    1.wireless charging
    AKG K551
    Philips SHB8750NC
    Philips SHB8850NC
    Sony MDR-7550

    The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.

    Top 10 headphones

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