46points

Sennheiser HD 25 Aluminium

38points

Sennheiser HD 660 S

Sennheiser HD 25 Aluminium
Comparison winner
Sennheiser HD 660 S
vs
vs

15 facts in comparison

Sennheiser HD 25 Aluminium vs Sennheiser HD 660 S

Sennheiser HD 25 Aluminium
Sennheiser HD 660 S

Why is Sennheiser HD 25 Aluminium better than Sennheiser HD 660 S?

  • Has passive noise reduction
    ?
  • 12dB/mW higher sound pressure level
    ?

    120dB/mWvs108dB/mW
  • 80 Ohms lower impedance
    ?

    70 Ohmsvs150 Ohms
  • Has a 3.5mm male connector
    ?
  • 70g lighter
    ?

    190gvs260g
  • Travel bag is included
    ?

Why is Sennheiser HD 660 S better than Sennheiser HD 25 Aluminium?

  • 7Hz lower low-frequency
    ?

    9Hzvs16Hz
  • 19500Hz higher high-frequency
    ?

    41500Hzvs22000Hz
  • Has stereo speakers
    ?
  • Has an open-back design
    ?

Price comparison

Sennheiser HD 660 S

Buy used:

$75.95

ProductStorePrice
Sennheiser HD 660 S AmazonSennheiser HD 660 S - HiRes Audiophile O...Sennheiser HD 660 S - HiRes Audiophile Open Back Headphone
Amazon logo
$488.95
Sennheiser HD 660 S AmazonSennheiser HD 600 Open Back Professional...Sennheiser HD 600 Open Back Professional Headphone
Amazon logo
$399.95
Sennheiser HD 660 S AmazonSennheiser HD 650 Open Back Professional...Sennheiser HD 650 Open Back Professional Headphone
Amazon logo
$399.99
Sennheiser HD 660 S AmazonSennheiser HD 800 S Reference Headphone ...Sennheiser HD 800 S Reference Headphone System
Amazon logo
$1,600.00
Sennheiser HD 660 S AmazonSennheiser HD280PRO Headphone (new model...Sennheiser HD280PRO Headphone (new model)
Amazon logo
$99.95
Sennheiser HD 660 S AmazonSennheiser HD 599 Open Back Headphone, I...Sennheiser HD 599 Open Back Headphone, Ivory
Amazon logo
$199.95
Sennheiser HD 660 S AmazonPhilips Audio Fidelio X2HR Over-Ear Open...Philips Audio Fidelio X2HR Over-Ear Open-Air Headphone 50mm Drivers- Black
Amazon logo
$144.99
Sennheiser HD 660 S AmazonSennheiser HD 4.50 Bluetooth Wireless He...Sennheiser HD 4.50 Bluetooth Wireless Headphones with Active Noise Cancellation, Black and Silver(HD 4.50 BTNC)
Amazon logo
$109.99
Sennheiser HD 660 S walmartSennheiser Replacement Cable for HD 300,...Sennheiser Replacement Cable for HD 300, HD 26, HD 46 Headphones
walmart logo
$21.44

Design

1.has stereo speakers
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
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
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
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
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
4.weight

190g

260g

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
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
Foldable devices are easier to transport and take up less storage space.
6.travel bag is included
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
The device comes with its own special case or pouch, which is useful for safe transportation.

Sound quality

1.lowest frequency

16Hz

9Hz

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

22000Hz

41500Hz

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
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
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

120dB/mW

108dB/mW

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

70 Ohms

150 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.

Connectivity

1.Can be used wirelessly
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
Wireless devices allow users more freedom of movement.
2.has a 3.5mm male connector
Sennheiser HD 25 Aluminium
Sennheiser HD 660 S
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

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