52points

AKG K 550

74points

Polk Audio UltraFocus 8000

AKG K 550
Comparison winner
Polk Audio UltraFocus 8000
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19 facts in comparison

AKG K 550 vs Polk Audio UltraFocus 8000

AKG K 550
Polk Audio UltraFocus 8000
AKG K 550
Polk Audio UltraFocus 8000

Why is AKG K 550 better than Polk Audio UltraFocus 8000?

    Why is Polk Audio UltraFocus 8000 better than AKG K 550?

    • 4Hz lower low-frequency
      8Hzvs12Hz
    • Has a detachable cable
    • Has active noise cancelling (noise reduction)
    • Can be used as a headset
    • Has an in-line control panel
    • Control panel placed on a device
    • Travel bag is included
    • Has a removable battery

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    Top specs and features

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    Design

    1.has a detachable cable
    AKG K 550
    Polk Audio UltraFocus 8000

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

    2.has stereo speakers
    AKG K 550
    Polk Audio UltraFocus 8000

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

    3.can be folded
    AKG K 550
    Polk Audio UltraFocus 8000

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

    4.has an over-the-ear form
    AKG K 550
    Polk Audio UltraFocus 8000

    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.

    5.travel bag is included
    AKG K 550
    Polk Audio UltraFocus 8000

    The device comes with its own special case or pouch, which is useful for safe transportation.

    6.has a straight plug
    AKG K 550
    Polk Audio UltraFocus 8000

    A straight plug is better when the jack is on the top or bottom of your player.

    relevant

    Sound quality

    1.highest frequency

    28000Hz

    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

    8Hz

    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 K 550
    Polk Audio UltraFocus 8000

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

    4.impedance

    32 Ohms

    32 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

    5.sound pressure level

    114dB/mW

    110dB/mW

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

    Best

    AKG K553 Pro

    144dB/mW

    6.has active noise cancelling (noise reduction)
    AKG K 550
    Polk Audio UltraFocus 8000

    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 removable battery
    AKG K 550
    Polk Audio UltraFocus 8000

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

    relevant

    Connectivity

    1.has a 3.5mm male connector
    AKG K 550
    Polk Audio UltraFocus 8000

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

    relevant

    Features

    1.can be used as a headset
    AKG K 550
    Polk Audio UltraFocus 8000

    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.

    2.has an in-line control panel
    AKG K 550
    Polk Audio UltraFocus 8000

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

    3.control panel placed on a device
    AKG K 550
    Polk Audio UltraFocus 8000

    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.

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