81points
90points

Sennheiser HD 4.40 BT

56points
53points

Sennheiser RS 120 II

Sennheiser HD 4.40 BT
Comparison winner
Cost-effectiveness winner
Sennheiser RS 120 II
vs
vs

32 facts in comparison

Sennheiser HD 4.40 BT vs Sennheiser RS 120 II

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
81
points
Sennheiser HD 4.40 BT
56
points
Sennheiser RS 120 II

Why is Sennheiser HD 4.40 BT better than Sennheiser RS 120 II?

  • 2500Hz higher high-frequency
    ?

    22000Hzvs19500Hz
  • 4Hz lower low-frequency
    ?

    18Hzvs22Hz
  • Has passive noise reduction
    ?
  • 7dB/mW higher sound pressure level
    ?

    113dB/mWvs106dB/mW
  • 6 Ohms lower impedance
    ?

    18 Ohmsvs24 Ohms
  • Has a neodymium magnet
    ?
  • Has an over-the-ear form
    ?
  • 5h longer battery life
    ?

    25hvs20h

Why is Sennheiser RS 120 II better than Sennheiser HD 4.40 BT?

  • Has an on-ear form
    ?
  • Has an open-back design
    ?
  • Has a removable battery
    ?

Price comparison

Sennheiser HD 4.40 BT

ProductStorePrice
Sennheiser HD 4.40 BT AmazonSennheiser HD 4.40 Around Ear Bluetooth ...Sennheiser HD 4.40 Around Ear Bluetooth Wireless Headphones (HD 4.40 BT) (Renewed)
Amazon logo
$80.59
Sennheiser HD 4.40 BT pricegrabberSennheiser 4.40 BT over-ear wireless hea...Sennheiser 4.40 BT over-ear wireless headphones
pricegrabber logo
$79.99
Sennheiser HD 4.40 BT aliexpressSennheiser HD 4.40 BT Wireless Bluetooth...Sennheiser HD 4.40 BT Wireless Bluetooth Earphone HiFi Portable Headphones Folding Stereo Noise Canceling Smartphone Xiaomi
aliexpress logo
$162.82

Sennheiser RS 120 II

ProductStorePrice
Sennheiser RS 120 II AmazonAdditional Headphones
Amazon logo
$40.00

Cheap alternatives

Design

1.has stereo speakers
?

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience. Show more

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
2.has an over-the-ear form
?

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.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
3.has a detachable cable
?

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

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
4.sweat resistant
?

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

For example

Motorola VerveBuds 200

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
5.Weather-sealed (splashproof)
?

The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes. Show more

For example

Panasonic Technics EAH-AZ70W

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
6.weight
?

Best

Sony MDR-EX150AP

3g

221.1g

230g

Sound quality

1.highest frequency
?

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble. Show more

Best

Sony MDR-Z1

120000Hz

22000Hz

19500Hz

2.lowest frequency
?

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

Best

Sony MH1CBLK

1Hz

18Hz

22Hz

3.sound pressure level
?

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

Best

AKG K553 Pro

144dB/mW

113dB/mW

106dB/mW

4.has passive noise reduction
?

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
5.impedance
?

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. Show more

Best

Flips Solo 2 Social

4 Ohms

18 Ohms

24 Ohms

6.has active noise cancelling (noise control)
?

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.

For example

Audio Technica ATH-ANC300TW

Sennheiser HD 4.40 BT
Sennheiser RS 120 II

Power

1.Battery life
?

The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.

Best

Cleer Enduro 100

100h

25h

20h

2.has a rechargeable battery
?

The battery can be recharged and used over again.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
3.has a battery level indicator
?

An indicator shows you when the device has low battery.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
4.has a removable battery
?

The battery is removable and can be replaced by the user if broken. Show more

Sennheiser HD 4.40 BT
Sennheiser RS 120 II

Connectivity

1.Can be used wirelessly
?

Wireless devices allow users more freedom of movement.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
2.has a 3.5mm male connector
?

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

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
3.supports Bluetooth pairing using NFC
?

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.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
4.Has Wi-Fi
?

The device can connect to Wi-Fi.

For example

Audio Technica ATH-ANC300TW

Sennheiser HD 4.40 BT
Sennheiser RS 120 II

Features

1.can be used as a headset
?

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.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
2.control panel placed on a device
?

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.

Sennheiser HD 4.40 BT
Sennheiser RS 120 II
3.has a noise canceling microphone
?

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

For example

Bowers & Wilkins PI4

Sennheiser HD 4.40 BT
Sennheiser RS 120 II

Price comparison

Sennheiser HD 4.40 BT

ProductStorePrice
Sennheiser HD 4.40 BT AmazonSennheiser HD 4.40 Around Ear Bluetooth ...Sennheiser HD 4.40 Around Ear Bluetooth Wireless Headphones (HD 4.40 BT) (Renewed)
Amazon logo
$80.59
Sennheiser HD 4.40 BT pricegrabberSennheiser 4.40 BT over-ear wireless hea...Sennheiser 4.40 BT over-ear wireless headphones
pricegrabber logo
$79.99
Sennheiser HD 4.40 BT aliexpressSennheiser HD 4.40 BT Wireless Bluetooth...Sennheiser HD 4.40 BT Wireless Bluetooth Earphone HiFi Portable Headphones Folding Stereo Noise Canceling Smartphone Xiaomi
aliexpress logo
$162.82

Sennheiser RS 120 II

ProductStorePrice
Sennheiser RS 120 II AmazonAdditional Headphones
Amazon logo
$40.00

Which are the best headphones?

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