JBL Jr310BT Specifications, Tests and Review

Headphone type
Frequency Response
20 - 20000 Hz
90 dB
32 Ohm

Get the key specs, technical data, ratings and full review of JBL Jr310BT 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.

Product Type Headphones - Bluetooth - wireless
Weight 115 g Better than 67 % of headphones rated.
Colour Blue | Red | Green
Design Kids
Recommended Use Portable electronics
Bluetooth Range (Operating Distance) 15 m Worse than 51 % of headphones rated.

The wireless headphones JBL Jr310BT allow unrestricted movement, which increases the comfort of using the headphones. This feature is particularly popular with headphones for casual use. However, a certain limiting factor of wireless headphones compared to wired ones is a certain delay in sound transmission between the source and the headphones (but almost indistinguishable for the average user) and the need for regular charging. Unlike wired headphones, wireless headphones are charged separately. The technology used for the sound transmission used by the headphones is Bluetooth 5.0. The maximum range of the headphones is up to 15 m. This range represents the distance from the sound source at which the headphones with wireless sound transmission can be used. However, the maximum range may be affected by obstacles such as walls or people, etc.

The headphones are designed as on-ear. On-ear headphones are generally lighter. However, their design has fewer isolation capabilities, and therefore, for example, more sound can be let in and out compared to around-ear headphones. The weight of the headphones is 115 g. Although these are over-the-head headphones that are normally characterized by their bulky nature, this model can be folded into a more compact form. This makes them easier to fit into a backpack or bag

Show more
Headphones Form Factor On-ear
Headphones Technology Dynamic
Adjustable Headband Yes
Foldable Yes Better than 84 % of headphones rated.
Connectivity Technology Wireless
Wireless Technology Bluetooth
Bluetooth Version Bluetooth 5.0 Better than 90 % of headphones rated.
Bluetooth Profiles Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Sound Output Mode Stereo
Frequency Response 20 - 20000 Hz Better than 64 % of headphones rated.
Sensitivity 90 dB Worse than 94 % of headphones rated.
Impedance 32 Ohm
Max Sound Pressure 80 dB
Diaphragm 32 mm Worse than 71 % of headphones rated.

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 JBL Jr310BT have a frequency range of 20 - 20000 Hz. The JBL Jr310BT reaches the sensitivity values of 90 dB. 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 Overall, these headphones can reproduce sound up to 80 dB. However, be careful. Repeatedly playing music continuously at really high volumes can damage your hearing.

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.

The headphones are composed of many various components, one of the most important is the diaphragm. Diaphragm transforms the electrical signal into sound and therefore its quality affects the overall listening experience. There are three types of diaphragms: thin, medium-thick, and thicker. A thin 6 mm thick diaphragm responds quickly to high frequencies but less sensitively to bass. The medium-thick 10 mm diaphragm provides a balanced sound profile, allowing you to enjoy both bass and treble. The thicker 20 mm diaphragm is more sensitive to higher frequencies but has a poorer bass response. These headphones are equipped with the 32 mm.

Show more
Form Factor Built-in
Sensitivity -40 dBV/Pascal

The microphone sensitivity is -40 dBV/Pascal. A lower microphone sensitivity will generally ensure that even quieter sounds are caught. On the other hand, in noisier environments, distortion of the recording may occur. With a higher sensitivity, the microphone will not distort the recording even in noisy environments. On the other hand, the microphone will not pick up quieter sounds. So it depends on the environment and the purposes you plan to use the headphones for.

Show more
Controls Power on/off, answer/end, play/pause, reject call
Battery Type Headphone battery rechargeable - lithium polymer
Battery Capacity 400 mAh Worse than 55 % of headphones rated.
Battery Life 30 hour(s) Better than 86 % of headphones rated.
Charging Time 2 hour(s) Better than 80 % of headphones rated.

These headphones have a battery capacity of 400 mAh. 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 JBL Jr310BT reaches up to 30 hour(s).

Charging time is 2 hour(s).

Show more
Included Accessories USB charging cable, sticker set
Service & Support Limited warranty - 1 year

Similar Headphones

Other JBL Headphones

Other projects: