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Blue
This is the one
JBL Boombox 4 Blue
Blue
Product number | 964853 | |
|---|---|---|
Manufacturer code | JBLBOOMBOX4BLUEP | |
Brand | JBL | |
Processing of your defect | Via Coolblue | |
Old product returned for free |
Speaker type | Bluetooth speaker | |
|---|---|---|
Width | 50,64 cm | |
Depth | 21,29 cm | |
Height | 26,29 cm | |
Wireless speaker size | Very large (more than 40cm) | |
Weight | 8,16 kg | |
Color | Blue |
Maximum battery life | 34 hours | |
|---|---|---|
Integrated power bank | ||
Average battery life | 28 hours |
Water resistance | Waterproof | |
|---|---|---|
Waterproofness certification | IP certification | |
IP certification | IP68 |
Multi-room audio | ||
|---|---|---|
Multi-speaker connectivity technology | Auracast | |
Sound reproduction | Stereo |
Voice control | ||
|---|---|---|
Integrated voice assistant |
Our digital expert will help you, but it can sometimes make mistakes, like humans do.
According to our Bluetooth speaker expert
Choose your bass: you can choose from different bass settings with the Bass Boost button.
Even in the rain: you can use the speaker outdoors without worry thanks to the waterproof design.
Listen for days: you can listen to music for 28 hours without charging the speaker in between.
Connects via Auracast only: you can only pair this speaker with other speakers that also have Auracast.
Maximum battery life
34 hoursWeight
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Sometimes products are simply good, and this one is no exception. A truly impressive device to behold. With a simple press of the Bluetooth button, it pairs with your phone in seconds. Playing Eefje your favorite playlist is a breeze, and then the party can begin. The music is crystal clear, and the birds, in particular, come through beautifully. Of course, with the first banger, you can already hear the bass rumbling through the room. With the double bass boost function, you can hear it go even lower and deeper. Truly amazing. Personally, I thought the lighting behind the exclamation marks on the subwoofers was a nice touch.
This makes this speaker stand out in both sound and appearance. I can highly recommend it. A fantastic piece of technology that you can carry around in your hand.
RoyyoR
9 December 2025
Automatically translated from Nederlands
After 2 minutes, everyone in the house knew what my latest purchase was.
Patrick Van Petegem
18 July 2026
Automatically translated from Nederlands
I was able to properly test this speaker at a pool party. The sound carries far in open air. The bass is deep and the battery lasts a long time. However, at full power with bass boost, it doesn't last as long. You do have to plug it into the wall socket to charge it, though it doesn't charge much at maximum volume.
Because then all the energy goes to the sound instead of the battery.
Jimmy Aerts
13 May 2026
Automatically translated from Nederlands
Coolblue takes care of everything, from taking out an insurance to repairs
For almost all accidents
More coverage in case of damage than your standard warranty
No deductible
First, add your Bluetooth speaker to your shopping cart. On the next page, choose the Protection Plan below. You always have a 30-day return window and pay no deductible in case of damage.
2-year Protection Plan
17,99
one-time3-year Protection Plan
38,99
one-time
