41points

Koss ESP950

35points

Stax SR-507

Comparison winner
Koss ESP950
Stax SR-507
vs
vs

12 facts in comparison

Koss ESP950 vs Stax SR-507

Koss ESP950
Stax SR-507
Koss ESP950
Stax SR-507

Why is Koss ESP950 better than Stax SR-507?

  • 45 Ohms lower impedance
    100 Ohmsvs145 Ohms
  • Has stereo speakers
  • Has a detachable cable
  • Travel bag is included
  • Has a 3.5mm male connector
  • Has a straight plug

Why is Stax SR-507 better than Koss ESP950?

  • 6000Hz higher high-frequency
    41000Hzvs35000Hz
  • 1Hz lower low-frequency
    7Hzvs8Hz
  • 20dB/mW higher sound pressure level
    118dB/mWvs98dB/mW
  • 1.3m longer cable
    2.5mvs1.2m
  • Has an open-back design

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Top specs and features

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Design

1.has stereo speakers
Koss ESP950
Stax SR-507

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
Koss ESP950
Stax SR-507

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
Koss ESP950
Stax SR-507

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

4.travel bag is included
Koss ESP950
Stax SR-507

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

5.has a straight plug
Koss ESP950
Stax SR-507

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

6.cable length

1.2m

2.5m

A long cable ensures more freedom of movement.

Best

Pioneer SE-A1000

6m

relevant

Sound quality

1.lowest frequency

8Hz

7Hz

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

2.highest frequency

35000Hz

41000Hz

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

3.sound pressure level

98dB/mW

118dB/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.impedance

100 Ohms

145 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

Connectivity

1.has a 3.5mm male connector
Koss ESP950
Stax SR-507

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

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