JVC HA F91 Specifications, Tests and Review

Headphone type
Ear-bud
Connectivity
Wired
Frequency Response
16 - 20000 Hz
Sensitivity
104 dB/mW
Impedance
16 Ohm

Get the key specs, technical data, ratings and full review of JVC HA F91 all in one place. Compare your selected model with other alternatives and give your decision on the best headphones a solid base with our comprehensive overview.

JVC HA F91 Full Specifications and Details

design and dimensions sound quality cable connections others

DESIGN AND DIMENSIONS JVC HA F91
Product Type Headphones - wired - 3.5 mm jack
Weight 5.5 g Better than 82 % of in-ear headphones rated.
Recommended Use Portable electronics

The JVC HA F91 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 headphones are designed as in-ear headphones, which are inserted inside the ear to provide more or less isolation from ambient noise. The level of isolation may vary depending on whether the ambient noise isolation feature is present or not. One of the main advantages of these headphones compared to over-the-head ones is their stackability and easy portability. The weight of the headphones is 5.5 g.

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SOUND QUALITY JVC HA F91
Headphones Form Factor Ear-bud
Headphones Technology Dynamic
Connectivity Technology Wired
Sound Output Mode Stereo
Frequency Response 16 - 20000 Hz Better than 58 % of in-ear headphones rated.
Sensitivity 104 dB/mW Better than 59 % of in-ear headphones rated.
Impedance 16 Ohm
In-Cord Volume Control Yes

The sound quality can be affected by many factors. When it comes to frequency range, a wider range will allow more detail to be heard during your listening session. However, it is important to note that the ability to perceive frequencies varies from person to person. The average person is able to hear frequencies in the range of 16 to 20 000 Hz. That is why headphone manufacturers usually focus on the 20 to 20 000 Hz range. If the lower values are lower, headphones are better able to reproduce bass tones, as these represent frequencies up to approximately 256 Hz. Conversely, values from 2 048 Hz upwards are treble. Thus, headphones with a high upper limit will provide a much more accurate reproduction of high tones. Headphones JVC HA F91 have a frequency range of 16 - 20000 Hz. The JVC HA F91 reaches the sensitivity values of 104 dB/mW. The sensitivity of the headphones expresses the ability of the headphones to pick up the signal from the source and reproduce it with sufficient volume. The higher the sensitivity, the more easily the signal is converted to sound and the louder the headphones are able to play at a lower power consumption. It is important to remember that high listening volume can consume more energy from connected devices. So if you want to listen to music from your cell phone, it's better to choose headphones with low sensitivity to avoid draining your phone's battery too much. Headphones with a lower sensitivity value (around 85 dB) are better suited for listening in quiet environments, while medium values (around 90 dB) allow for quality listening in noisy environments such as public transport or cafes. Headphones with a high sensitivity value (100 dB or more) are designed for use in really noisy environments such as concerts To control the optimum playback volume you can use the manual control directly on the cable.

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 16 Ohm value.

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CABLE JVC HA F91
Cable Type Headphones cable - 1.2 m
Plated Connector Gold
CONNECTIONS JVC HA F91
Connector Type Headphones (mini-phone stereo 3.5 mm)
OTHERS JVC HA F91
Included Accessories Carrying case

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