40points

Audio-Technica ATH-AD900X

38points

Sennheiser HD 660 S

Audio-Technica ATH-AD900X
Comparison winner
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Sennheiser HD 660 S
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13 facts in comparison

Audio-Technica ATH-AD900X vs Sennheiser HD 660 S

Audio-Technica ATH-AD900X
Sennheiser HD 660 S

Why is Audio-Technica ATH-AD900X better than Sennheiser HD 660 S?

  • 4Hz lower low-frequency
    ?

    5Hzvs9Hz
  • 112 Ohms lower impedance
    ?

    38 Ohmsvs150 Ohms
  • Has a 3.5mm male connector
    ?

Why is Sennheiser HD 660 S better than Audio-Technica ATH-AD900X?

  • 6500Hz higher high-frequency
    ?

    41500Hzvs35000Hz
  • 8dB/mW higher sound pressure level
    ?

    108dB/mWvs100dB/mW
  • Has a detachable cable
    ?
  • 5g lighter
    ?

    260gvs265g

Price comparison

Audio-Technica ATH-AD900X

ProductStorePrice
Audio-Technica ATH-AD900X AmazonAudio Technica ATH-AD900X Open-Back Audi...Audio Technica ATH-AD900X Open-Back Audiophile Headphones,Black
Amazon logo
$119.99

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 599 Open Back Headphone, I...Sennheiser HD 599 Open Back Headphone, Ivory
Amazon logo
$199.95
Sennheiser HD 660 S AmazonSennheiser HD 800 S Reference Headphone ...Sennheiser HD 800 S Reference Headphone System
Amazon logo
$1,575.55
Sennheiser HD 660 S AmazonSennheiser HD280PRO Headphone (new model...Sennheiser HD280PRO Headphone (new model)
Amazon logo
$99.95
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 AmazonHIFIMAN HE-400I Over Ear Full-Size Plana...HIFIMAN HE-400I Over Ear Full-Size Planar Magnetic Headphones Adjustable Headphone with Comfortable Earpads Open-Back Design Easy Cable Swapping
Amazon logo
$189.00

Design

1.has stereo speakers
Audio-Technica ATH-AD900X
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
Audio-Technica ATH-AD900X
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
Audio-Technica ATH-AD900X
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

265g

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
Audio-Technica ATH-AD900X
Sennheiser HD 660 S
Foldable devices are easier to transport and take up less storage space.
6.has a straight plug
Audio-Technica ATH-AD900X
Sennheiser HD 660 S
A straight plug is better when the jack is on the top or bottom of your player.

Sound quality

1.lowest frequency

5Hz

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

35000Hz

41500Hz

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
3.sound pressure level

100dB/mW

108dB/mW

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

38 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
Audio-Technica ATH-AD900X
Sennheiser HD 660 S
Wireless devices allow users more freedom of movement.
2.has a 3.5mm male connector
Audio-Technica ATH-AD900X
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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