57points

Sennheiser HD 4.20s

84points

Sennheiser HD 4.40 BT

Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
Comparison winner
vs
vs

36 facts in comparison

Sennheiser HD 4.20s vs Sennheiser HD 4.40 BT

Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
57
points
Sennheiser HD 4.20s
84
points
Sennheiser HD 4.40 BT

Why is Sennheiser HD 4.20s better than Sennheiser HD 4.40 BT?

  • 5dB/mW higher sound pressure level
    ?

    118dB/mWvs113dB/mW
  • Has an in-line control panel
    ?
  • Has a tangle free cable
    ?

Why is Sennheiser HD 4.40 BT better than Sennheiser HD 4.20s?

  • 2000Hz higher high-frequency
    ?

    22000Hzvs20000Hz
  • Has a detachable cable
    ?
  • Can be used wirelessly
    ?
  • Has a rechargeable battery
    ?
  • 158.8g lighter
    ?

    221.1gvs379.9g
  • 1 more microphone(s)
    ?

    2vs1
  • Control panel placed on a device
    ?
  • Has a battery level indicator
    ?

Price comparison

Sennheiser HD 4.40 BT

ProductStorePrice
Sennheiser HD 4.40 BT walmartkwmobile 2X Earpads Compatible with Senn...kwmobile 2X Earpads Compatible with Sennheiser HD215 /HD225 /HD205 II/HD 4.40 BT - PU Leather Replacement Ear Pads for Headphones - Black
walmart logo
$26.81

Design

1.has stereo speakers
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
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 4.20s
Sennheiser HD 4.40 BT
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 4.20s
Sennheiser HD 4.40 BT
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
4.sweat resistance
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
Resistance to sweat makes it ideal for use while doing sports.
5.weight

379.9g

221.1g

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.
6.weather-sealed (splashproof)
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.

Sound quality

1.lowest frequency

18Hz

18Hz

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
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.
4.has active noise cancellation (noise control)
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
5.sound pressure level

118dB/mW

113dB/mW

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

18 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.

Power

1.has a rechargeable battery
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
The battery can be recharged and used over again.
2.has a battery level indicator
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
An indicator shows you when the device has low battery.
3.has a removable battery
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
The battery is removable and can be replaced by the user if broken.

Connectivity

1.Can be used wirelessly
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
Wireless devices allow users more freedom of movement.
2.has a 3.5mm male connector
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
3.Has Bluetooth aptX
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
Bluetooth aptX is an audio codec used for transmitting hi-resolution audio wirelessly from Bluetooth-enabled devices. Developed by Qualcomm, the aptX audio technology includes variations such as aptX HD, aptX Low Latency, and aptX Adaptive.
4.supports Bluetooth pairing using NFC
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
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.
5.supports Wi-Fi
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
The device can connect to Wi-Fi.

Features

1.can be used as a headset
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
A headset is one headphone or pair with a built-in microphone. Headsets can be used for apps that require communication i.e. Skype, games with voice chat, mobile phones, etc.
2.has a noise-canceling microphone
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
These microphones are designed to filter out background noise from the desired sound. Especially useful in noisy environments.
3.number of microphones

1

2

More microphones result in better sound quality and enable the device to filter out background noise.
4.control panel placed on a device
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
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.
5.Has an in-line control panel
Sennheiser HD 4.20s
Sennheiser HD 4.40 BT
There is a control panel on the cable, so you can easily operate the device without having to interact with it.
6.warranty period

2

2

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.

Price comparison

Sennheiser HD 4.40 BT

ProductStorePrice
Sennheiser HD 4.40 BT walmartkwmobile 2X Earpads Compatible with Senn...kwmobile 2X Earpads Compatible with Sennheiser HD215 /HD225 /HD205 II/HD 4.40 BT - PU Leather Replacement Ear Pads for Headphones - Black
walmart logo
$26.81

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