Complete technical specifications, details, expert ratings and review of AKG K 440 NC. Find out how your chosen headphones stack up against the competition and whether they are the ones that best meet your expectations with the headphone comparison feature.
design and dimensions sound quality cable battery and charging connections
DESIGN AND DIMENSIONS AKG K 440 NC |
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Product Type | Headphones - wired - 3.5 mm jack | |
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Weight | 73 g | Better than 80 % of headphones rated. |
Recommended Use | Home audio, portable electronics, computer |
The AKG K 440 NC are wired headphones. In the case of studio and professional DJ headphones, a wired connection is a standard and a necessity. In this case, connecting via cable reduces audio transmission delays and prevents unwanted battery drain as it would be in case of wireless headphones. The same is de facto true for gaming headsets. In case of headphones for normal music listening, the cable is rather a relic, although it still has its fans. However, the wireless option is much more popular for everyday use in today’s world.
The design of the headphones is around the ears. Because of this design, the headphone envelops the entire ear and isolates the ear better from surrounding noise when listening compared to for example on-ear headphones. With that, they offer high-quality listening without interference. However, they are most likely heavier by design and less practical for frequent carrying. The weight of the headphones is 73 g.
SOUND QUALITY AKG K 440 NC |
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Headphones Form Factor | Full size | |
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Connectivity Technology | Wired | |
Active Noise Cancelling | Yes | Better than 92 % of headphones rated. |
Sound Output Mode | Stereo | |
Frequency Response | 12 - 28000 Hz | Better than 93 % of headphones rated. |
Impedance | 32 Ohm |
The sound quality can be affected by many factors. When it comes to frequency range, the wider it is, the more detail you will hear when listening. However, the range a person can perceive is highly individual. The average person is able to perceive frequencies in the range of 16 to 20 000 Hz. So the most common frequency range you will see on the market is 20 to 20,000 Hz. Lower frequencies up to approximately 256 Hz are considered bass frequencies. Therefore, the lower the bottom value is, the better the headphones will reproduce bass. Conversely, values from approximately 2 048 Hz upwards are treble. That is why headphones with a high upper value will provide a much more accurate reproduction of high notes. AKG K 440 NC offers a frequency range of 12 - 28000 Hz.
The device connected to the headphones also plays a role most times. The lower impedance value (approximately 100 to 150 Ohms) is suitable for playback from mobile phones, laptops or other portable players that do not have a powerful enough amplifier. The lower impedance will ensure that the required volume level is achieved with less power, thus extending the life of the player. However, at the same time, with lower impedance, there is more distortion of the sound. Headphones with a higher impedance of around 250 Ohms and above are then more suitable for playback from really powerful signal sources or using a headphone amplifier, otherwise the sound coming out of them might not be loud enough. At the same time, higher-impedance headphones will also ensure less distortion in the sound. In the case of these headphones, the impedance reaches the 32 Ohm value.
Active Noise Cancellation provides an even quieter listening experience.
CABLE AKG K 440 NC |
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Cable Type | Headphones cable - 1.8 m |
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BATTERY AND CHARGING AKG K 440 NC |
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Battery Type | Headphone battery | |
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Battery Life | 40 hour(s) | Better than 93 % of headphones rated. |
In terms of headphone battery life as a significant factor in the purchase decision, it depends on what you want to use the headphones for and potentially how often you will be able to recharge them. Headphones with up to a few hours of battery life are more suitable for home use as they will require more frequent charging. Headphones with a battery life of around 10 hours or more are already more suitable for commuting and shorter journeys. However, nowadays you can also find headphones on the market that have a battery life in the higher tens to hundreds of hours. In this case, you do not have to worry about your headphones simply running out of power on longer journeys, and you will not have to deal with constant recharging. The battery life of the AKG K 440 NC reaches up to 40 hour(s).
Show moreCONNECTIONS AKG K 440 NC |
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Connector Type | Headphones (mini-phone stereo 3.5 mm) |
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