37points

AKG K323XS

81points

Audio Technica ATH-DSR9BT

46points

Focal Utopia

90points

Sennheiser HD 4.40 BT

AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Comparison winner
Sennheiser HD 4.40 BT
vs
vs
vs

32 facts in comparison

AKG K323XS vs Audio Technica ATH-DSR9BT vs Focal Utopia vs Sennheiser HD 4.40 BT

AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT
37
points
81
points
46
points
90
points

Why is AKG K323XS better than Audio Technica ATH-DSR9BT & Focal Utopia & Sennheiser HD 4.40 BT?

  • Impedance
    16 Ohmsvs38,90,18 Ohms
  • Has an in-line control panel

Why is Audio Technica ATH-DSR9BT better than AKG K323XS & Focal Utopia & Sennheiser HD 4.40 BT?

  • Lowest frequency
    5Hzvs20,5,18Hz

Why is Focal Utopia better than AKG K323XS & Audio Technica ATH-DSR9BT & Sennheiser HD 4.40 BT?

  • Has an open-back design

Why is Sennheiser HD 4.40 BT better than AKG K323XS & Audio Technica ATH-DSR9BT & Focal Utopia?

  • Has sound isolation/passive noise reduction
  • Sound pressure level
    113dB/mWvs98,97,104dB/mW
  • Has a neodymium magnet
  • Has an L-shaped plug

Top specs and features

Design

1.has stereo speakers
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
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 a detachable cable
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
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.

3.has an over-the-ear form
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
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.

4.can be folded
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

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

5.has a tangle free cable
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

The cable is designed to minimize tangling.

For example

SoundMagic E11C

6.sweat resistant
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

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

For example

JBL Under Armour True Wireless Flash

Sound quality

1.highest frequency

20000Hz

45000Hz

50000Hz

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

20Hz

5Hz

5Hz

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
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
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.sound pressure level

98dB/mW

97dB/mW

104dB/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.impedance

16 Ohms

38 Ohms

90 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

6.has a neodymium magnet
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

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

Power

1.has a battery level indicator
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

An indicator shows you when the device has low battery.

2.has a rechargeable battery
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

The battery can be recharged and used over again.

3.has a removable battery
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

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

For example

Bang & Olufsen Beoplay H9i

Connectivity

1.Can be used wirelessly
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

Wireless devices allow users more freedom of movement.

2.has a 3.5mm male connector
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

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

3.supports Bluetooth pairing using NFC
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
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.

4.Has WiFi
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

The device can connect to WiFi.

For example

Meters OV-1 Bluetooth

Features

1.control panel placed on a device
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
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.

2.can be used as a headset
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

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 an in-line control panel
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
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.

4.has a noise canceling microphone
AKG K323XS
Audio Technica ATH-DSR9BT
Focal Utopia
Sennheiser HD 4.40 BT

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

For example

Microsoft Surface Headphones

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