JBL Junior 320

Product Specifications

General Specifications

Dynamic driver: 32mm

Maximum operation temperature: 45°C

Audio Specifications

Frequency response: 20Hz-20kHz

Impedance: 34ohm

Sensitivity: 78dB@1kHz

Microphone sensitivity: -40 dBV/Pa@1 kHz

Dimensions

Weight: 116.8g

Ear cushion outer length (mm): 67.5

Headphone width (mm): 67.5

Ear cushion height (mm): 16.28

Ear cushion inner length (mm): 28.5

Ear cushion inner width (mm): 28.5

Control and Connection Specifications

Plug: 3.5mm audio jack

Great sound - safe volume

JBL Junior 320 wired on-ear headphones introduce a whole new generation to JBL sound at volumes that are safe for their ears. They won’t go beyond 85dB, protecting young listeners from dangerous sound levels. Designed for young listeners, the JBL Junior 320 are comfortable to wear, with durable oversized controls that are easy for even the littlest hands to use. A built-in mic lets kids chat with family, friends, or teachers easily. The headphones come in two fun colorways and include a JBL sticker set so your little rockstars can personalize their look. Great sound has no age limit.

JBL Safe Sound <85dB

JBL Junior 320 headphones are designed to never exceed 85dB, making them safe for children's ears.

Built-in mic

JBL Junior 320 headphones feature a built-in microphone to help your kids stay connected with the world. They can talk with teachers while they're learning, or chat with friends and family during their downtime.

Fit for kids

JBL Junior 320 headphones come in two fun colorways and have durable, child-friendly controls that are easy and safe for kids to operate. The headband features a 12mm thick soft pad for long-wearing comfort. And their round earcup design offers improved grip and less sound leakage, so kids don't need to turn them up louder to compete with outside noise.

Make it yours with JBL stickers

The plastic-free packaging includes a playful JBL sticker set so kids can personalize their headphones.

Ultra-portable

JBL Junior 320 headphones' compact design folds flat, making them easy for kids to stow in a bag or backpack.

FAQs & How-Tos

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Can my headphones be connected to two devices simultaneously?

Yes, the headphones have Multipoint Connection, which allows you to switch seamlessly between the connected devices.

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Headphone Material Information

These headphones consist of plastics, synthetic leathers and foams. All JBL Jr products were put through extensive tests and are compliant with Standard Consumer Safety Specification for Toy Safety.

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How do you change earpads on your headphones?

The way you remove and change the ear cushions on your headphones varies from on-ear headphones to over-ear headphones and also from product to product.

When removing and replacing the ear pads you will see the following examples:

Removing on-ear headphones

Pull the ear cushion as you see on the below picture.

The ear cushion will slide out of the hole when you have pulled it enough, which is the case with the picture below.

When the earpad is completely removed it will look like the picture below.

Removing over-ear headphones

Pull the entire earpad off. You need to pull the material that is placed on your ear. Pull carefully so the plastic hooks does not snap off or break. When you have pulled the earpad of it will look like the picture below.

Replacing new on-ear earpads

Align the cushion with the hole all the way around the ear pads.

Replacing new over-ear earpads

Align the plastic hooks which are marked on the left side on the picture below with the holes that are marked on the right side of the picture.

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How do you set the maximum volume?

You can select "Customize" or "Automatic" in JBL Safe Sound/Maximum Volume Limit.
By choosing "Customize" you can set the different levels of to vary from "Max", "High", "Mid" or "Low".
If you select "Automatic", the headphones will monitor the listening time, volume and adjust the volume when reaching the hearing fatigue limit.

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What can I do if I forgot the PIN Code in JBL Safe Sound?

You can tap on "Reset PIN Code" 5 times to reset the PIN Code.

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What is JBL Safe Sound?

JBL Safe Sound is an added parental control toy can use in the JBL Headphones app. You can set the max volume and for how long kids can listen for. With "time-up" reminders, parents can even record their own voice prompt notifications.

It's also possible to receive daily and weekly activity reports on volume and time exposure to help maintain safe listening habits.

A PIN Code protects the max volume limit and daily time limit from being modified.

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What will happen when the time limit has been reached?

10 minutes before the time limit has been reached, a voice prompt will be played on the headphones. When reaching the time limit, the volume will be muted, and a new voice prompt will inform that the listening limit has been reached.

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Where do you set the listening time limit?

You can set the time limit in JBL Safe Sound/Daily Time Limit.

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