41points

Koss ESP950

92points

Sennheiser HD 4.50 BTNC

Koss ESP950
Comparison winner
Sennheiser HD 4.50 BTNC
vs
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30 facts in comparison

Koss ESP950 vs Sennheiser HD 4.50 BTNC

Koss ESP950
Sennheiser HD 4.50 BTNC
Koss ESP950
Sennheiser HD 4.50 BTNC

Why is Koss ESP950 better than Sennheiser HD 4.50 BTNC?

  • 10Hz lower low-frequency
    8Hzvs18Hz
  • Has a straight plug

Why is Sennheiser HD 4.50 BTNC better than Koss ESP950?

  • Has sound isolation/passive noise reduction
  • 82 Ohms lower impedance
    18 Ohmsvs100 Ohms
  • Has a neodymium magnet
  • 15dB/mW higher sound pressure level
    113dB/mWvs98dB/mW
  • Has active noise cancelling (noise reduction)
  • Can be folded
  • Can be used as a headset
  • Can be used wirelessly

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Top specs and features

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Design

1.has stereo speakers
Koss ESP950
Sennheiser HD 4.50 BTNC

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
Sennheiser HD 4.50 BTNC

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
Sennheiser HD 4.50 BTNC

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

4.can be folded
Koss ESP950
Sennheiser HD 4.50 BTNC

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

5.has a tangle free cable
Koss ESP950
Sennheiser HD 4.50 BTNC

The cable is designed to minimize tangling.

For example

SoundMagic E11C

6.sweat resistant
Koss ESP950
Sennheiser HD 4.50 BTNC

Resistance to sweat makes it ideal for use while doing sports.

For example

RHA TrueConnect

relevant

Sound quality

1.highest frequency

35000Hz

22000Hz

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

8Hz

18Hz

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.has sound isolation/passive noise reduction
Koss ESP950
Sennheiser HD 4.50 BTNC

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

98dB/mW

113dB/mW

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

Best

AKG K553 Pro

144dB/mW

5.has a neodymium magnet
Koss ESP950
Sennheiser HD 4.50 BTNC

Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.

6.impedance

100 Ohms

18 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

Power

1.has a battery level indicator
Koss ESP950
Sennheiser HD 4.50 BTNC

An indicator shows you when the device has low battery.

2.has a rechargeable battery
Koss ESP950
Sennheiser HD 4.50 BTNC

The battery can be recharged and used over again.

relevant

Connectivity

1.Can be used wirelessly
Koss ESP950
Sennheiser HD 4.50 BTNC

Wireless devices allow users more freedom of movement.

2.has a 3.5mm male connector
Koss ESP950
Sennheiser HD 4.50 BTNC

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

3.supports Bluetooth pairing using NFC
Koss ESP950
Sennheiser HD 4.50 BTNC

Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.

4.Has WiFi
Koss ESP950
Sennheiser HD 4.50 BTNC

The device can connect to WiFi.

For example

Meters OV-1 Bluetooth

relevant

Features

1.control panel placed on a device
Koss ESP950
Sennheiser HD 4.50 BTNC

There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.

2.can be used as a headset
Koss ESP950
Sennheiser HD 4.50 BTNC

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.

3.has a noise canceling microphone
Koss ESP950
Sennheiser HD 4.50 BTNC

These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.

For example

Microsoft Surface Headphones

Top 10 headphones

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