65points

AKG K452

90points

Sennheiser HD 4.40 BT

44points

Ultrasone HFI-450

AKG K452
Comparison winner
Sennheiser HD 4.40 BT
Ultrasone HFI-450
vs
vs

31 facts in comparison

AKG K452 vs Sennheiser HD 4.40 BT vs Ultrasone HFI-450

AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450
65
points
90
points
44
points

Why is AKG K452 better than Sennheiser HD 4.40 BT & Ultrasone HFI-450?

  • Lowest frequency
    11Hzvs18,20Hz
  • Has an in-line control panel
  • Has a tangle free cable
  • Travel bag is included
  • Sweat resistant
  • Has an on-ear form

Why is Sennheiser HD 4.40 BT better than AKG K452 & Ultrasone HFI-450?

  • Impedance
    18 Ohmsvs32,32 Ohms
  • Has stereo speakers
  • Has a neodymium magnet
  • Can be used as a headset
  • Can be used wirelessly
  • Control panel placed on a device
  • Has a battery level indicator
  • Has an L-shaped plug

Why is Ultrasone HFI-450 better than AKG K452 & Sennheiser HD 4.40 BT?

Top specs and features

Design

1.has stereo speakers
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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

5.has a tangle free cable
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

The cable is designed to minimize tangling.

6.sweat resistant
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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

Sound quality

1.highest frequency

29500Hz

22000Hz

20000Hz

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

11Hz

18Hz

20Hz

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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

125dB/mW

113dB/mW

96dB/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

32 Ohms

18 Ohms

32 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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

An indicator shows you when the device has low battery.

2.has a rechargeable battery
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

The battery can be recharged and used over again.

3.has a removable battery
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

Wireless devices allow users more freedom of movement.

2.has a 3.5mm male connector
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

The device can connect to WiFi.

For example

Meters OV-1 Bluetooth

Features

1.control panel placed on a device
AKG K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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 K452
Sennheiser HD 4.40 BT
Ultrasone HFI-450

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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