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Kruger & Matz Wireless / Wired Over Ear Headphones with 55 hours of Operation Black
Headphones

Kruger & Matz Wireless / Wired Over Ear Headphones with 55 hours of Operation Black

Speaker diameter: 40 mm

Frequency response: 20 Hz - 20 kHz

Input: 32 Ohm

Sensitivity: 118 dB

Noise cancellation (ANC): yes

Noise reduction: 20 dB 2 dB

Bluetooth: 5.3

Bluetooth range: up to 10 m

...

Speaker diameter: 40 mm

Frequency response: 20 Hz - 20 kHz

Input: 32 Ohm

Sensitivity: 118 dB

Noise cancellation (ANC): yes

Noise reduction: 20 dB 2 dB

Bluetooth: 5.3

Bluetooth range: up to 10 m

Bluetooth profile: HFP, A2DP, AVRCP

Microphone sensitivity: -40 dB 2 dB

Microphone signal-to-noise ratio: 40 dB 2 dB

Standby time: up to 200 hours

Music playback...

See full description See full description

Top specs

  • Microphone

    The headphones feature a built-in microphone.

  • Foldable Ear Cups

    Folding ear cups help reduce the volume of headphones, making them easier to transport.

    Headphones with folding ear cups often come with a carrying case.

    1
  • Connectivity Bluetooth, 3.5mm, USB-C

  • Noise Cancellation

    The method of reducing external noise that the headphones have.

    Active Noise Cancellation (ANC): Uses technology to detect and neutralize external noises, offering clearer sound.

    Passive Noise Cancellation: The shape and materials of the headphones naturally reduce external noises, improving the listening experience.
  • See all
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Product report

Description

Description

Speaker diameter: 40 mm

Frequency response: 20 Hz - 20 kHz

Input: 32 Ohm

Sensitivity: 118 dB

Noise cancellation (ANC): yes

Noise reduction: 20 dB ±2 dB

Bluetooth: 5.3

Bluetooth range: up to 10 m

Bluetooth profile: HFP, A2DP, AVRCP

Microphone sensitivity: -40 dB ±2 dB

Microphone signal-to-noise ratio: 40 dB ±2 dB

Standby time: up to 200 hours

Music playback time: up to 55 hours (50% volume)

ANC operation time: up to 35 hours

Battery capacity: 400 mAh

Power supply: 5 V, 1 A

Charging time: about 2.5 hours

Ports: AUX input (3.5 mm), USB-C (charging)

Weight: 199 g

Dimensions: 173 x 194.5 x 79.5 mm

Audio cable: 100 cm

USB cable: 50 cm

Included: audio cable, USB cable

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Type
Over Ear

Type

Over Ear

Headphones with larger ear cups compared to on-ear headphones, which hug the ears.


They are more comfortable and provide better external noise isolation, but are more difficult to transport due to their larger size.

Generally, over-ear headphones can offer higher quality sound and deep bass compared to on-ear headphones of similar quality, thanks to their larger speakers.
Impendance
32 ohm

Impendance

The resistance that the speakers of headphones have to electric current. Usually, the lower the resistance, the louder the headphones sound, but the sound is less clear.

This size does not concern the average user as almost all headphones are 32 Ohms. Headphones with high resistance usually require an additional amplifier.
Sensitivity
118 dB

Sensitivity

The greater the sensitivity of the headphones, the louder they will sound at a specific volume of the source. Generally, values above 90db are considered very good. - **Above 100db**: Headphones with high Sensitivity produce more sound with less power. They can reach high volumes with low-power devices (e.g., mobile phone, laptop). - **Below 100db**: Headphones with low Sensitivity require more power to reach the same volume levels, so they may need a special headphone amplifier
Playing Time
55 hours
Bluetooth Version
5.3
Colour
Black
Weight
199 gr

Connectivity

Wireless Connections
Bluetooth

Wireless Connections

Bluetooth
They connect wirelessly to devices that also have Bluetooth such as PC, laptop, smartphone or tablet.
Wired Connections
3.5mm, USB-C

Wired Connections

3.5mm

The headphones connect via cable with the classic 3.5mm "jack" plug.
Connection
Wireless & Wired

Features & Functions

Microphone
Yes

Microphone

The headphones feature a built-in microphone.
Volume Control
Yes

Volume Control

The headphones feature a built-in control for sound volume.
Detachable Cable
Yes

Detachable Cable

The connection cable can be removed from the headphones.

The main advantage is that in case the cable is damaged, it can be easily replaced without needing to buy new headphones. Additionally, wireless headphones can be used as wired ones when the battery is low.
Foldable Drivers
Yes

Foldable Drivers

Folding ear cups help reduce the volume of headphones, making them easier to transport.

Headphones with folding ear cups often come with a carrying case.
Rotating Capsules
No

Rotating Capsules

Rotating ear cups allow headphones to have a flat shape, making them easier to transport (e.g. in a suitcase).
Card Reader
Yes
Radio
No
Fast Charging
No

Fast Charging

The fast charging feature allows the headphones to gain sufficient autonomy with just a few minutes of charging, ideal for use when time is limited.
High-Resolution Audio
No
Connection with 2 Devices
No
Noise Cancellation
Active

Noise Cancellation

The method of reducing external noise that headphones have.

Active

Special technology that detects and blocks external noise, allowing you to hear better. Typically, you will hear much clearer with headphones that have Active Noise Cancellation compared to those with Passive Noise Cancellation.

Top Specs

Connectivity
Bluetooth, 3.5mm, USB-C
Noise Cancellation
Active Noise Cancellation (ANC)

Noise Cancellation

The method of reducing external noise that the headphones have.

Active Noise Cancellation (ANC): Uses technology to detect and neutralize external noises, offering clearer sound.

Passive Noise Cancellation: The shape and materials of the headphones naturally reduce external noises, improving the listening experience.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

Speaker diameter: 40 mm

Frequency response: 20 Hz - 20 kHz

Input: 32 Ohm

Sensitivity: 118 dB

Noise cancellation (ANC): yes

Noise reduction: 20 dB ±2 dB

Bluetooth: 5.3

Bluetooth range: up to 10 m

Bluetooth profile: HFP, A2DP, AVRCP

Microphone sensitivity: -40 dB ±2 dB

Microphone signal-to-noise ratio: 40 dB ±2 dB

Standby time: up to 200 hours

Music playback time: up to 55 hours (50% volume)

ANC operation time: up to 35 hours

Battery capacity: 400 mAh

Power supply: 5 V, 1 A

Charging time: about 2.5 hours

Ports: AUX input (3.5 mm), USB-C (charging)

Weight: 199 g

Dimensions: 173 x 194.5 x 79.5 mm

Audio cable: 100 cm

USB cable: 50 cm

Included: audio cable, USB cable

Manufacturer

Manufacturer Details

Warnings & Safety Information

Product Details

Type
Over Ear

Type

Over Ear

Headphones with larger ear cups compared to on-ear headphones, which hug the ears.


They are more comfortable and provide better external noise isolation, but are more difficult to transport due to their larger size.

Generally, over-ear headphones can offer higher quality sound and deep bass compared to on-ear headphones of similar quality, thanks to their larger speakers.
Impendance
32 ohm

Impendance

The resistance that the speakers of headphones have to electric current. Usually, the lower the resistance, the louder the headphones sound, but the sound is less clear.

This size does not concern the average user as almost all headphones are 32 Ohms. Headphones with high resistance usually require an additional amplifier.
Sensitivity
118 dB

Sensitivity

The greater the sensitivity of the headphones, the louder they will sound at a specific volume of the source. Generally, values above 90db are considered very good. - **Above 100db**: Headphones with high Sensitivity produce more sound with less power. They can reach high volumes with low-power devices (e.g., mobile phone, laptop). - **Below 100db**: Headphones with low Sensitivity require more power to reach the same volume levels, so they may need a special headphone amplifier
Playing Time
55 hours
Bluetooth Version
5.3
Colour
Black
Weight
199 gr

Connectivity

Wireless Connections
Bluetooth

Wireless Connections

Bluetooth
They connect wirelessly to devices that also have Bluetooth such as PC, laptop, smartphone or tablet.
Wired Connections
3.5mm, USB-C

Wired Connections

3.5mm

The headphones connect via cable with the classic 3.5mm "jack" plug.
Connection
Wireless & Wired

Features & Functions

Microphone
Yes

Microphone

The headphones feature a built-in microphone.
Volume Control
Yes

Volume Control

The headphones feature a built-in control for sound volume.
Detachable Cable
Yes

Detachable Cable

The connection cable can be removed from the headphones.

The main advantage is that in case the cable is damaged, it can be easily replaced without needing to buy new headphones. Additionally, wireless headphones can be used as wired ones when the battery is low.
Foldable Drivers
Yes

Foldable Drivers

Folding ear cups help reduce the volume of headphones, making them easier to transport.

Headphones with folding ear cups often come with a carrying case.
Rotating Capsules
No

Rotating Capsules

Rotating ear cups allow headphones to have a flat shape, making them easier to transport (e.g. in a suitcase).
Card Reader
Yes
Radio
No
Fast Charging
No

Fast Charging

The fast charging feature allows the headphones to gain sufficient autonomy with just a few minutes of charging, ideal for use when time is limited.
High-Resolution Audio
No
Connection with 2 Devices
No
Noise Cancellation
Active

Noise Cancellation

The method of reducing external noise that headphones have.

Active

Special technology that detects and blocks external noise, allowing you to hear better. Typically, you will hear much clearer with headphones that have Active Noise Cancellation compared to those with Passive Noise Cancellation.

Top Specs

Connectivity
Bluetooth, 3.5mm, USB-C
Noise Cancellation
Active Noise Cancellation (ANC)

Noise Cancellation

The method of reducing external noise that the headphones have.

Active Noise Cancellation (ANC): Uses technology to detect and neutralize external noises, offering clearer sound.

Passive Noise Cancellation: The shape and materials of the headphones naturally reduce external noises, improving the listening experience.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.