56points

Audio-Technica ATH-EW9

46points

ifrogz EarPollution CS40

93points

Plantronics BackBeat Pro 2

97points

Treblab Z2

Audio-Technica ATH-EW9
ifrogz EarPollution CS40
Plantronics BackBeat Pro 2
Comparison winner
Treblab Z2
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41 facts in comparison

Audio-Technica ATH-EW9 vs ifrogz EarPollution CS40 vs Plantronics BackBeat Pro 2 vs Treblab Z2

Audio-Technica ATH-EW9
ifrogz EarPollution CS40
Plantronics BackBeat Pro 2
Treblab Z2
Audio-Technica ATH-EW9
ifrogz EarPollution CS40
Plantronics BackBeat Pro 2
Treblab Z2

Why is Audio-Technica ATH-EW9 better than ifrogz EarPollution CS40 & Plantronics BackBeat Pro 2 & Treblab Z2?

  • Impedance
    29 Ohmsvs32,32,32 Ohms
  • Weight
    33gvs181,289,252.3g

Why is ifrogz EarPollution CS40 better than Audio-Technica ATH-EW9 & Plantronics BackBeat Pro 2 & Treblab Z2?

    Why is Plantronics BackBeat Pro 2 better than Audio-Technica ATH-EW9 & ifrogz EarPollution CS40 & Treblab Z2?

    • Has sound isolation/passive noise reduction
    • Has a mute function

    Why is Treblab Z2 better than Audio-Technica ATH-EW9 & ifrogz EarPollution CS40 & Plantronics BackBeat Pro 2?

    • Has an in-line control panel
    • Sweat resistant
    • Has a noise canceling microphone

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    Top specs and features

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    Design

    1.has stereo speakers
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    4.weight

    33g

    181g

    289g

    252.3g

    Best

    Sony MDR-EX150AP

    3g

    5.can be folded
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    6.has a tangle free cable
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    The cable is designed to minimize tangling.

    For example

    SoundMagic E11C

    relevant

    Sound quality

    1.has sound isolation/passive noise reduction
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    2.has a neodymium magnet
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    3.driver unit size

    28mm

    40mm

    40mm

    40mm

    The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.

    Best

    Audeze LCD2 Classic

    106mm

    4.impedance

    29 Ohms

    32 Ohms

    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.has active noise cancelling (noise reduction)
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    An indicator shows you when the device has low battery.

    2.has a rechargeable battery
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    The battery can be recharged and used over again.

    3.has a removable battery
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    Wireless devices allow users more freedom of movement.

    2.has a 3.5mm male connector
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    3.supports Bluetooth pairing using NFC
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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.

    For example

    Sony WH-1000XM3

    4.Has WiFi
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    The device can connect to WiFi.

    For example

    Meters OV-1 Bluetooth

    5.Has fast 802.11ac WiFi connection
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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

    6.Has 802.11n WiFi connection
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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

    relevant

    Features

    1.control panel placed on a device
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    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 an in-line control panel
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    4.has a noise canceling microphone
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    5.has voice prompts
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

    This feature allows the device to inform you of important information through its audio function.

    For example

    RHA TrueConnect

    6.has a mute function
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    relevant

    Miscellaneous

    1.wireless charging
    Audio-Technica ATH-EW9
    ifrogz EarPollution CS40
    Plantronics BackBeat Pro 2
    Treblab Z2

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

    For example

    Audio-Technica ATH-CKR7TW

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