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JBL Boombox - Waterproof Portable Bluetooth Speaker - Black
- Wireless Bluetooth streaming
- 24 hours of playtime
- IPX7 waterproof
- JBL Connect plus
- High-capacity battery
- Connector type: 3.5 millimeter stereo
- Power Source Type: Battery Powered
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Important information
Visible screen diagonal
40" / 102 cm
Top Brand: JBL
From the brand

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For over 75 years, JBL has helped people own their sound with Headphones, speakers and audio gear designed around expression. From the history-making stages of Woodstock to the thrilling sports stadiums, music venues and movie theaters you visit today, JBL amplifies truly unforgettable experiences.
Booming bass, rich detail and the freedom to feel the moment, wherever you are.
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Visit Now
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Portable Bluetooth Speakers
Enjoy Your Music Wirelessly! JBL offers A Wide Selection of Waterproof Portable Bluetooth Speakers With Rechargeable Battery Options.
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Outdoor Speakers
JBL's Waterproof & Outdoor Speakers, Designed To Deliver Incredible Sound Clarity Any Season.
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Smart Speakers
Try JBL'S Voice-Activated Smart Speakers With Built-In Google Assistant. Play Your Music. Call Your Friends. Control Your Home.
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IP67 Waterproof And Dustproof
To The Pool. To The Park. JBL Go 3 Eco is IP67 Waterproof And Dustproof, So You Can Bring Your Speaker Anywhere.
From the manufacturer

JBL Boombox
Monstrous Sound
Incorporating four active transducers and two JBL bass radiators, JBL Boombox delivers monstrous sound along with hardest hitting bass that you will not only hear but also see it

JBL Boombox
Wireless Bluetooth with JBL Connect+
Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound. And need more? Amplify your listening experience and rock the party by wirelessly connecting to additional JBL Connect+ enabled speakers.

JBL Boombox
IPX7 Waterproof
Take Boombox to the beach or pool without worrying about rain, spills or submersion in water

JBL Boombox
High-Capacity 20,000mAh Rechargeable Battery
Built-in rechargeable Li-ion battery supports up to 24 hours of playtime and charges devices via dual USB ports.
JBL Boombox
Premium Features

What's in the box
Product guides and documents
Product information
Product Dimensions | 20.55 x 9.53 x 13.39 inches |
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Item Weight | 6.16 pounds |
ASIN | B0759GC766 |
Item model number | JBLBOOMBOXBLKAM |
Batteries | 1 LR44 batteries required. (included) |
Customer Reviews |
4.8 out of 5 stars |
Best Sellers Rank |
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Is Discontinued By Manufacturer | No |
Date First Available | September 1, 2017 |
Manufacturer | JBL |
Warranty & Support
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JBL Boombox - Waterproof Portable Bluetooth Speaker - Black
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Product Description
Epic sound. All day long. Made to be the most powerful, portable Bluetooth speaker, JBL Boombox delivers monstrous sound along with the hardest hitting bass. Enjoy music for 24 hours without missing a beat. Imagine playing with your favorite beats from sunrise to sunrise on a single charge. Use the massive 20, 000mAh battery and dual charge out to charge your external devices anytime and keep music rocking. Rugged enough to handle your wildest tailgate party, the JBL Boombox is IPX7 waterproof, which withstand any weather and even the most epic pool parties. Switch between indoor and outdoor modes to optimize sound wherever the party is. In addition, if more massive music is a must, you can connect more than 100 JBL Connect+ enabled speakers under Bluetooth range with just one press of a button. Wireless Bluetooth Streaming Wirelessly connect up to 2 smartphones or tablets to the speaker and take turns playing impressive stereo sound. High–capacity 20, 000mAh rechargeable battery Built–in rechargeable Li–ion battery supports up to 24 hours of playtime and charges devices via dual USB ports. IPX7 waterproof Take Boombox to the beach or pool without worrying about rain, spills or submersion in water. JBL Connect+ Amplify your listening experience and rock the party by wirelessly connecting more than 100 JBL Connect+ enabled speakers. Sound mode Enjoy deeper bass and richer sound in indoor mode; switch to outdoor mode for expansive sound with strong bass and longer playtime. Monstrous sound with the hardest hitting bass Incorporated four active transducers and two JBL bass radiators, JBL Boombox delivers monstrous sound along with hardest hitting bass that you will not only hear but also see it.
Charging time - 6.5 hrs , Output power - 2x30 W, Bluetooth version - 4.2.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers praise the portable speaker's sound quality, with one noting its impressive bass, and appreciate its battery life, which can last up to 24 hours at +50% volume. The speaker is well-made with high-quality batteries and drivers, and customers find it very portable with a convenient handle for carrying. They like its Bluetooth connectivity, allowing multiple JBL devices to connect simultaneously, and consider it worth the price. Functionality receives mixed reviews, with some customers reporting it works fantastically while others say it completely stopped working.
AI Generated from the text of customer reviews
Customers praise the sound quality of the speaker, describing it as impressive and good, with one customer highlighting its powerful bass.
"...Goes with me everywhere I travel. Has been used as my main source of audio when I have had cars without sound systems...." Read more
"...Keep in mind, the sound quality and clarity is still fantastic; it just sounds slightly warmer and less crisp than some of its colleagues because..." Read more
"Delivered on time as expected and the sound output is AMAZING" Read more
"...The sound quality was better than our quite expensive home theater/stereo setup we bought nearly 10 years ago made by a well known, high end..." Read more
Customers are satisfied with the speaker's battery life, which can last up to 24 hours of continuous play, with one customer noting it can run at over 50% volume for 6-7 hours.
"...Battery still lasts quite a while and I’ve used it as an emergency power bank during hurricanes several times. Goes with me everywhere I travel...." Read more
"...This product is meant for large spaces and parties, and the sound is therefore crafted for this environment...." Read more
"...The Bose is great had a internal baterry, it is light, the battery lasted a few hours but the bass was lacking and in a beach if you wanted to blast..." Read more
"...The battery lasts me about 14 hours at full volume, and much longer under less stress...." Read more
Customers find the speaker worth its price, with one mentioning it has performed well for 3.5 years.
"Bought this on a prime day deal. Great price, and great speaker. First thing to note, don't expect to use it immediately out of the box...." Read more
"...GREAT durability, great sound, great build quality, and honestly great price. I’m surprised it’s not more. And it’s waterproof. Completely...." Read more
"...I have zero buyers remorse with this one. It’s worth every penny." Read more
"...Cons: Expensive, but not on Prime day! Sub $300 and I am in! Portable, just not very for kid sized people...." Read more
Customers praise the build quality of the speaker, noting its solid base and high-quality batteries and drivers.
"...This is a sleek, well thought out design...." Read more
"The JBL Boombox is incredibly durable. This thing can survive anything and still sound amazing...." Read more
"...Great sound quality at all volume levels 5) Not a cheap knockoff 6) Had more emphasis on quality over flashy lights..." Read more
"...That is not the case it has been bounced and scraped and holds up very well...." Read more
Customers appreciate the speaker's portability, finding it easy to carry around and take anywhere, with one customer noting it's light enough to bring to the dock.
"...Goes with me everywhere I travel. Has been used as my main source of audio when I have had cars without sound systems...." Read more
"...haven't yet found a product that better blends volume, clarity, and portability...." Read more
"...You carry from the handle and it is well balanced, unlike some of the competitors out there where the handle is on the back or a side. Very portable...." Read more
"...This speaker is BIG and kind of heavy for a portable speaker. Definitely not as portable as a lot of bluetooth speakers out there...." Read more
Customers praise the quality of the speaker, describing it as awesome and magnificent.
"...This JBL Boombox is wonderful the best Bluetooth radio I have ever bought...." Read more
"...The sound does not fill a large room but is quite sufficient for rooms up to 50' X 50'...." Read more
"Pretty sweet. 😎👍 When they say built like a tank they weren't kidding. Solid construction has a little weight to it. Quality materials and build...." Read more
"...This is the real deal. JBL isn’t messing around." Read more
Customers appreciate the Bluetooth connectivity of the speaker, noting its good range and ability to connect multiple JBL devices simultaneously.
"...-JBL connectivity is much simpler -Easier to connect multiple speakers with JBL -JBL bass response is much greater..." Read more
"...Supports 2 input devices at the same time, just cannot play both inputs at the same time...." Read more
"...The bluetooth connects quick n easy to my phone but is having difficulty with my BT transmitter. 🤔 Battery charging takes a few hours...." Read more
"...This here boombox though...it can receive the bass and can transmit it too...." Read more
Customers report mixed experiences with the speaker's functionality, with some saying it works fantastically and performs well on boats and camping, while others mention it completely stopped working or died.
"...The back bottom works increíble you can change the settings for inside or outside listening..." Read more
"...This thing has easily been the most aggravating and infuriating device with a plug/charger that I've ever bought...." Read more
"This speaker is awesome. I've used it at work for four years now. Hard use...." Read more
"...The chance paid off. I find no fault with the sound. It's powerful and delivers beautiful sound effortlessly...." Read more
Reviews with images

Super Cool Solid Speaker Sounds Good 😎👍🎼
Top reviews from the United States
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- Reviewed in the United States on April 23, 2025Color: BlackVerified Purchase4 year review!!
Okay so I use this every single day. I listen to loud white nose when I fall asleep. This speaker has been amazing since day 1. I am now at the point where it needs to be plugged in all the time or it will disconnect randomly from blue tooth. Battery still lasts quite a while and I’ve used it as an emergency power bank during hurricanes several times. Goes with me everywhere I travel. Has been used as my main source of audio when I have had cars without sound systems. For its age and the price, very hard to beat. Only complaint is the glowing blue light on the power button is annoying at night but that’s it. Planning on buying again when this one stops working completely. Might take another year or two.
- Reviewed in the United States on October 19, 2020Color: BlackVerified PurchaseContext of this review: observations from testing multiple genres directly after unboxing
The speaker fully accomplishes what it was designed to do: deliver maximum volume with maximum bass at minimum distortion in any location. This product is meant for large spaces and parties, and the sound is therefore crafted for this environment. You need to expect a generally warm sound. JBL has produced a chonk speaker which naturally emphasizes bass frequencies through the sheer size of the side speakers. Other devices would be better for appreciating balances and appealing to certain audiophile needs, but this path is not the speaker's main intention, and this needs to be acknowledged. Keep in mind, the sound quality and clarity is still fantastic; it just sounds slightly warmer and less crisp than some of its colleagues because the lower frequencies are more supported. It is a boombox after all, and I honestly haven't yet found a product that better blends volume, clarity, and portability. Consider it like a knight build in an rpg game; very well balanced, but slightly more effort has been invested in health and strength stats than intelligence because it'll need to primarily tank through large enemies but still be versatile.
That is this speaker. It is your knight. It outperforms the other knights at knight things. I believe the knight to be better suited for me because of its versatile abilities. Like apple jacks. Other cereals might have brighter colors, but apple jacks is completely superior in flavor, mascots, and general existence. If you disagree about the cereal, I look forward to reading about you in Jane Goodall's next research paper.
How certain genres/artists sound on this thing:
Adele - absolutely fabulous
Andrew Huang - excellent
General rock songs - the kicks and lower drums will be heavyish, and crispness may be lost depending on how well the initial track was mixed and the speaker placement
60s Jazz - the walking bass will become pronounced. Everything is very clear in the rest of the parts, but you might notice a difference
Voces8 Lux album - excellent
Kanye's "Use This Gospel" - slaps
Really anything EDM, Hip-Hop, or other electronically produced music - total banger
Modern country - actually pretty good, kinda surprised me
The pyramid fight scene from Transformers 2: this would make a great bootleg home theater sound system
Keep in mind that the sound is affected by where you place the speaker. Bass reverberates, so if you put it in time out in the corner facing towards the center of the room, both side speaker will reverberate off the walls and become amplified; the high frequencies will stand no chance. I found that the best audiophile setup is to place the speaker in the center of a room at mid volume on an elevated, small, hard platform (like a coffee table). If you want max bass and wish to disregard the well-being of nearby living organisms, put it at full volume on outside mode in the corner of a bathroom with tile flooring. Public restrooms also work well for bass testing, and people in stalls will be unable to interfere. If they are the kind of people to immediately get up to confront you, run; the speaker is not worth it.
I purchased this product when it was heavily discounted ($270). I could have alternatively purchased 20 shirts, a stained recliner, a college textbook, or 252 chicken quesadilla melts from taco bell. I believe this boombox to be the most worthwhile of these choices. Oh and you can throw it in a tub and it will be fine. The quesadillas would not have been fine.
I hope this review and its general babbling are somewhat helpful.
- Reviewed in the United States on April 9, 2025Color: BlackVerified PurchaseDelivered on time as expected and the sound output is AMAZING
- Reviewed in the United States on November 21, 2020Color: BlackVerified PurchaseWe need a portable stereo for our portable projector for movies and whatnot. We have some portable speakers, but they are inconvenient to use and not all that loud (even though we syncs up 3 of them). We almost bought a smaller portable system until we saw this on sale. This is waaaaaay louder than those and very clear. Now we know very little about stereos, but to us non-experts, this was nothing short of phenomenal. Flat out, this is amazing.
Setup was easy. While the instructions leave something to be desired, simply connect via Bluetooth and download the JBL connect app to update the firmware. It does it itself in 20 or so minutes and you need to do nothing.
First off, we tried all kinds of music. We did rap and rock, holiday and musical numbers for hours (we listen to a wide variety of music, so we wanted a speaker to do well with all these genres). Everything was crystal clear. Not needing huge bass, we used it on the inside setting. I do like having an EQ but I didn’t find that I HAD to have one, so I decided to sacrifice that here and I don’t really miss it because it sound so good. The sound quality was better than our quite expensive home theater/stereo setup we bought nearly 10 years ago made by a well known, high end competitor. When used as a sound bar with the projector it was amazing and could be heard far away by all. Perfect for projecting outdoor sporting events and movies. Wow. Simply wow.
Some people have said it is big and heavy. I don’t really find this at all. It does not seem heavy to me, and I think that is because the design is well done. You carry from the handle and it is well balanced, unlike some of the competitors out there where the handle is on the back or a side. Very portable. I used to have a boom box in the 80s and 90s and they were never this small and maneuverable. This is a sleek, well thought out design. I do wish there were covers over the sides, but apparently this isn’t really an issue, but it just seems like it can be one and I do worry.
This thing is incredible. We didn’t even want to stop using it the first day it was so captivating (the time spent listening to it barely put a dent in the battery life according to the app). At 1/2 volume it totally filled our 15x20 room with sound where we use it and we couldn’t believe our ears because it was soooooo clear. I cannot wait to use this all the time for movie nights, sporting events, and general outdoor listening. I may even connect it to the tv it was that good (maybe buy a second one to make into a stereo set though). Can’t recommend it enough, and we are glad we got it.
Top reviews from other countries
- Mr. SpeakerReviewed in Canada on October 1, 2018
5.0 out of 5 stars The only review you need to read
Color: GreenVerified PurchaseOkay so first of all, I've read a ton of different comments for this thing. What everyone fails do is use a measure of their claims. For instance I've heard people say that bass sucks on this - are you nuts? Are you comparing this to a car audio sub maybe? Others say it isn't loud... again are you comparing this to a 7.1 home theatre setup, or DJ speakers? So I want to clear the air here.
First of all, about me... I am a bluetooth speaker junkie. I have owned every speaker out there from Bose, to Klipsch (KMC 1 and 3), Harman Kardon Onyx Studio, Brookstone Big Blue Party, Damson, Ecoxgear Boulder, JBL Flip4 & Extreme (Extreme has nothing on the Boombox, not even close), Bose Mirco, Sony XB everything, Monster, Mifa, Fugoo XL, etc... I listen to all of the bluetooth speakers in electronic stores and watch and read countless reviews. It's safe to say I've heard at least 97% of the speakers on the market to date. Second to this I am a basshead, not an audiophile, but a basshead who enjoys good sound with thumping bass. Audiophiles are too critical when there is strong bass presence... they like neutral sound. I run 1500 watts in my car to a competition sub and can easily be heard 3 blocks in any direction when going all out. That's my flavour in a 'nutshell' and should give you an idea of what floats my boat.
So from here, I would like to say.. this thing is FRIGGEN insane! It is loud enough for most situations, except for maybe an outdoor dance party with 50+ people. Plenty loud enough for backyard gatherings, BBQ's, indoor dance parties, beach, river tubing, etc.
On max volume, it is too loud to allow conversations anywhere within a 20 ft radius. Inside, this thing thumps, put it in a corner of your room and it produces bass low enough that it sounds like a home audio sub - it is definitely the closest thing to sub bass you will ever get from a bluetooth speaker.
The wife loves the sound of it too, but thinks it is too loud and gets mad at me often as I use this in the basement while working out and she complains that it rumbles the floor and pictures on the wall which means to me it's perfect. It is super crisp and clear even at max volume. This speaker outdoes every other bluetooth speaker I've ever owned in both sound and overall loudness. The only one that goes louder and only by slightly (next to impossible for the average ear to notice) is the EcoBoulder but it is 100 watts and super distorted at these volumes and sounds like sh*t - the Boombox also has way cleaner sound and way deeper bass. I think what makes the ecoboulder louder is the treble, it's too much that it makes your face scrunch up at the distorted levels, so the JBL still gets the W here.
I have also heard people say things about it like the mids suck. While I agree that the mids aren't entirely present, the highs and bass on it are so crisp and clean, that you'll not even notice it - I promise. You can also just use an EQ from your phone and change the sound to your preference. I only noticed the mids when I compared side by side with the Klipsch KMC 3, again though like others, this speaker cannot beat the JBL in overall loudness and clarity. The Klipsch used to be my favourite speaker until I bought the JBL.
If you listen to like classical or whatever then buy whatever speaker out there as bass doesn't much matter for these types of music genres. You would still likely be pleased by the clarity of it though. But if you're like me and listen to bass heavy hip hop, EDM, rap, and occasionally top 40, you'll love this thing. Not a speaker out there in this size, portability, ruggedness and price bracket that can compete - I GUARANTEE IT! The sound signature just makes me smile every single time.
Some people have said it is heavy, well I'm sorry but if you think this thing is heavy, you need to hit a gym and stop being a wuss. It is the perfect weight and as another reviewer mentioned, the size and weight is 'the goldilocks' and I gotta agree!
One more thing to note, it sounded amazing when I first got it out the box. But 2 weeks after letting er' rip something even more amazing happened... The speakers finally broke in and the bass became even nuttier. It fills the room with such nice bass, you do not need to be sitting near it like most bluetooth speakers where the bass fades as you take a few steps away from it.
I also saw someone say that the signal kept cutting out from the bluetooth signal. I have had this happen but it is an issue with your phone not the unit itself. I simply restarted my phone and it hasn't happened since. I am using an LG V30.
SO if you want awesome bass... crazy battery, waterproof, loud, etc; buy this thing, do not even hesitate on it. Worth every single penny, I've never been happier. I will agree with other reviews that it sounds best at about 75% in my opinion, but even at max it's not distorted or anything, it just sounds less amazing than it does at 75% due to processing. One more thing about DSP (Digital Signal Processing), the JBL is the first bluetooth speaker I've owned where the bass is actually still present at max volumes. Most bluetooth speakers, the DSP is such a way that bass is nullified at max volumes to allow for less distortion... The JBL does not give a F about that, it thumps always.
Lastly about the bass, it is not a boosted fake bass, it is a true 40Hz low reaching bass that can not only be heard but felt in your chest.
Another interesting thing is that it is only 40 watts, but I would say a true 40 watts, and anyone who knows anything about speakers might think this is a low number like I did, but it is insane how they got such a powerful room filling sound from 40 watts. If you plug it into the wall, you get 60 watts of power as is running off 120 volts and allows more power to be produced than just running off the battery alone. That extra 50% of power is really noticeable, it gets very loud if plugged into the wall and still holds together very well, no distortion. So going back to comparing to other speakers, the JBL beats all the above mentioned speakers running off just battery. If you plug it into the wall, it doesn't just beat them, it CRUSHES them and eats em up for breakfast.
The battery on it is also amazing I listen to it everyday (from 20 mins while showering to hours when working out and puttering around the house) at all different volumes and have charged it twice I think in the month I've owned it.
I bought the green version of this as it was cheaper and have come to love the colour actually - we call it the green terd and anytime I bring this bad boy out, people always ask about it, and say how amazing the sound quality is. It's just a truly bad ass speaker - JBL hit a home run with this one. So stop reading, click add to cart and BUY THIS THING ALREADY and quit p*ssy footing it!
PS- I do not work for JBL, nor am I associated with them in anyway- I bought this with my own money and just wanted to leave a thorough review for anyone contemplating the purchase. I want it to bring you as big of a smile that it does to me every single damn day.
35 people found this helpfulReport -
Agnaldo BarbosaReviewed in Brazil on August 8, 2020
5.0 out of 5 stars Melhor som Bluetooth que já tive.
Color: GreenVerified PurchaseUso pra tv e música pelo celular ótima experiência.
Agnaldo BarbosaMelhor som Bluetooth que já tive.
Reviewed in Brazil on August 8, 2020
Images in this review
- Victor GomesReviewed in France on January 8, 2021
5.0 out of 5 stars Très bien
Color: BlackVerified PurchaseSuper
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Ivan CReviewed in Mexico on May 29, 2020
5.0 out of 5 stars Buena bocina
Color: BlackVerified PurchaseAnteriormente tenia la xtreme, pero está bocina se oye muy bien, buena duración de batería, escucho casi diario música y solo la cargo cada 2 semanas, tenía duda si comprar esta o la nueva pero sin duda no me arrepentí por precio y prestaciones, igual probe la resistencia de agua en una alberca y sin problemas.
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AncrisReviewed in Mexico on November 15, 2020
5.0 out of 5 stars Buen sonido
Color: GreenVerified PurchaseLa recibí en su empaque original y con sus sellos. La batería le dura bastante. Sonido, el esperado. Para mi gusto un pooco más de punch en los bajos estaría genial pero creo que eso lo encontaré en la 2a generación, por ahora estoy bien con esta. En cuanto a portabilidad, si es un poco pesada, pero fácil de llevar.