33points

Koss PRO3AA

46points

Sennheiser HD 25-1 II

Koss PRO3AA
Sennheiser HD 25-1 II
Comparison winner
vs
vs

16 facts in comparison

Koss PRO3AA vs Sennheiser HD 25-1 II

Koss PRO3AA
Sennheiser HD 25-1 II

Why is Koss PRO3AA better than Sennheiser HD 25-1 II?

  • 1Hz lower low-frequency
    ?

    15Hzvs16Hz
  • Has an over-the-ear form
    ?
  • 10 Ohms lower impedance
    ?

    60 Ohmsvs70 Ohms
  • 0.9m longer cable
    ?

    2.4mvs1.5m
  • Has a straight plug
    ?

Why is Sennheiser HD 25-1 II better than Koss PRO3AA?

  • 2000Hz higher high-frequency
    ?

    22000Hzvs20000Hz
  • 20dB/mW higher sound pressure level
    ?

    120dB/mWvs100dB/mW
  • Has a detachable cable
    ?
  • Has a neodymium magnet
    ?
  • Travel bag is included
    ?
  • Has an on-ear form
    ?
  • Has an L-shaped plug
    ?
  • Has removable speakers
    ?

Price comparison

Sennheiser HD 25-1 II

Buy used:

$89.99

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Sennheiser HD 25-1 II AmazonSennheiser HD 4.40 Around Ear Bluetooth ...Sennheiser HD 4.40 Around Ear Bluetooth Wireless Headphones - Black
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Sennheiser HD 25-1 II AmazonSennheiser HD 569 Closed Back Headphone
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Sennheiser HD 25-1 II AmazonSennheiser HD 660 S - HiRes Audiophile O...Sennheiser HD 660 S - HiRes Audiophile Open Back Headphone
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Sennheiser HD 25-1 II AmazonSennheiser HD 650 Open Back Professional...Sennheiser HD 650 Open Back Professional Headphone
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Sennheiser HD 25-1 II AmazonSennheiser HD 600 Open Back Professional...Sennheiser HD 600 Open Back Professional Headphone
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$299.00
Sennheiser HD 25-1 II AmazonSennheiser HD 800 S Reference Headphone ...Sennheiser HD 800 S Reference Headphone System
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$1,399.00

Design

1.has stereo speakers
Koss PRO3AA
Sennheiser HD 25-1 II
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 PRO3AA
Sennheiser HD 25-1 II
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 PRO3AA
Sennheiser HD 25-1 II
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 PRO3AA
Sennheiser HD 25-1 II
The device comes with its own special case or pouch, which is useful for safe transportation.
5.has an on-ear form
Koss PRO3AA
Sennheiser HD 25-1 II
This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.
6.cable length

2.4m

1.5m

A long cable ensures more freedom of movement.

Sound quality

1.lowest frequency

15Hz

16Hz

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

22000Hz

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
Koss PRO3AA
Sennheiser HD 25-1 II
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

100dB/mW

120dB/mW

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

60 Ohms

70 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
Koss PRO3AA
Sennheiser HD 25-1 II
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
Koss PRO3AA
Sennheiser HD 25-1 II
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

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