40points

Grado GR8

63points

Oppo PM-3

Grado GR8
Oppo PM-3
Comparison winner
vs
vs

19 facts in comparison

Grado GR8 vs Oppo PM-3

Grado GR8
Oppo PM-3

Why is Grado GR8 better than Oppo PM-3?

  • 16dB/mW higher sound pressure level
    ?

    118dB/mWvs102dB/mW
  • 311g lighter
    ?

    9gvs320g
  • Has an in-ear form
    ?
  • Has an L-shaped plug
    ?

Why is Oppo PM-3 better than Grado GR8?

  • 10Hz lower low-frequency
    ?

    10Hzvs20Hz
  • 30000Hz higher high-frequency
    ?

    50000Hzvs20000Hz
  • Has stereo speakers
    ?
  • Has an over-the-ear form
    ?
  • 94 Ohms lower impedance
    ?

    26 Ohmsvs120 Ohms
  • Has a neodymium magnet
    ?
  • Has a detachable cable
    ?
  • Can be used as a headset
    ?

Price comparison

Design

1.has stereo speakers
Grado GR8
Oppo PM-3
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
Grado GR8
Oppo PM-3
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
Grado GR8
Oppo PM-3
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
4.weight

9g

320g

We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
5.can be folded
Grado GR8
Oppo PM-3
Foldable devices are easier to transport and take up less storage space.
6.travel bag is included
Grado GR8
Oppo PM-3
The device comes with its own special case or pouch, which is useful for safe transportation.

Sound quality

1.lowest frequency

20Hz

10Hz

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
2.highest frequency

20000Hz

50000Hz

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
3.has passive noise reduction
Grado GR8
Oppo PM-3
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

118dB/mW

102dB/mW

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

120 Ohms

26 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.
6.has a neodymium magnet
Grado GR8
Oppo PM-3
Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.

Connectivity

1.has a 3.5mm male connector
Grado GR8
Oppo PM-3
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

Features

1.can be used as a headset
Grado GR8
Oppo PM-3
A headset is one headphone or pair with a built-in microphone. Headsets can be used for apps that require communication i.e. Skype, games with voice chat, mobile phones, etc.
2.Has an in-line control panel
Grado GR8
Oppo PM-3
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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