51points

Grado GR8

69points

Oppo PM-3

Grado GR8
Comparison winner
Oppo PM-3
vs
vs

20 facts in comparison

Grado GR8 vs Oppo PM-3

Grado GR8
Oppo PM-3
Grado GR8
Oppo PM-3
51
points
69
points

Why is Grado GR8 better than Oppo PM-3?

  • 311g lighter
    9gvs320g
  • Has included ear pads
  • Has an L-shaped plug
  • Has an in-ear form

Why is Oppo PM-3 better than Grado GR8?

  • 30000Hz higher high-frequency
    50000Hzvs20000Hz
  • 10Hz lower low-frequency
    10Hzvs20Hz
  • 94 Ohms lower impedance
    26 Ohmsvs120 Ohms
  • Has a neodymium magnet
  • Has stereo speakers
  • Has a detachable cable
  • Can be folded
  • Has an over-the-ear form

Top specs and features

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 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.

3.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.

4.weight

9g

320g

Best

Sony MDR-EX150AP

3g

5.has an in-ear form
Grado GR8
Oppo PM-3

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
Grado GR8
Oppo PM-3

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

Sound quality

1.highest frequency

20000Hz

50000Hz

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

20Hz

10Hz

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.sound pressure level

118dB/mW

102dB/mW

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

Best

AKG K553 Pro

144dB/mW

4.has sound isolation/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.

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.

Best

Flips Solo 2 Social

4 Ohms

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 applications which 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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