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Trusted since 2012 — Greentoe is where smart shoppers save big!
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Name your price. Negotiate your deal. Save big on every purchase.
Hassle-free shopping with our 30-day return policy.
Hassle-free shopping with our 30-day return policy.
Trusted since 2012 — Greentoe is where smart shoppers save big!
Trusted since 2012 — Greentoe is where smart shoppers save big!
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JBL Boombox 4 Portable Waterproof Bluetooth Speaker (Black)
Model: JBLBOOMBOX4BLKAM
Topseller
1/8
$549.00- Up to 200W RMS Audio Output via Battery
- 2 x 5" Woofers & 2 x 0.75" Tweeters
- 3 x Passive Radiators
- JBL Pro Sound with AI Sound Boost
- Dual Bass Boost Settings
- Lossless Audio Playback via USB-C
- Waterproof & Dustproof Construction
- Up to 28 x Hours of Playback
- Share to JBL Speakers with Auracast
- JBL Boombox 4 Portable Waterproof Bluetooth Speaker (Black)
- AC Power Cord (78.7")
- Limited 1-Year Manufacturer Warranty
Authorized RetailersManufacturer warranty included
New Products OnlyWe never sell used merchandise
Free ShippingOn most items
30 Days Returns*Minimum return policy
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"I don’t say this often, but there’s a new app that just might dramatically change the way you shop, and it’s called Greentoe."View article
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"More Retailers See Haggling as a Price of Doing Business. "View article
"Consumer Reporter Lynda Baquero shows a website where you can bid on the items you want, from the manufacturer of choice, and known within a day or two if your offer is accepted."View article
"Greentoe wants to make the buying process easier by letting you name the price you want to pay for an item, and then they'll find a bargain on your behalf..."View article
"Name Your Price for Gadgets on New 'Priceline for Tech' Site"View article
"I don’t say this often, but there’s a new app that just might dramatically change the way you shop, and it’s called Greentoe."View article
"An E-Commerce Site Where You Can Haggle Down The Price"View article
What People Say...
Reviewer3655183426
5/5
Great deal!
"$800 cheaper than costco. Can’t believe it."View article
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5/5
Easy!
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5/5
ImchillinwithGreentoe
"I was looking me dream fridge and you guys had it at a price I could afford!!!!! Thanks SO much!"View article
DealMaker1217344194
5/5
More like DealToe Now
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GreatDeal2026
5/5
Smokin Football Season
"Great deal on 98" TCL TV & JBL Sound System!"View article
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5/5
Finally!
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5/5
Smoked
"Stumbled across this site, checked it out to see if it was legit, and Voilà I bit the bullet."View article
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5/5
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"Exactly like the title- buddy turned me onto you guys. seems pretty bad-a! Killer business model! Welcome to the 21st century!"View article
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5/5
Best price, easy process.
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Best price!
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5/5
Turntable Treasure
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5/5
Great Prices and Great Experience
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My only mistake was forgetting that Greentoe offers a lot more than just TVs! I recently purchased applioances elsewhere and afterward realized I should have checked Greentoe first.
Greentoe will definitely be one of the first places I check before making a major purchase. Let's get the word out, and let the free market dictate prices. Craig Barton Scottsdale AZ"View article
Reviewer1947189363
5/5
Like ebay but better!
"Lots of retailers are willing to look at offers and give you the best prices!"View article
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5/5
Leary at first, but...
"I had not used or heard about Greentoe. I checked their reputation online before ordering an expensive Christmas gift. I saved 34% from best in-person price at retailers. The item arrived when and as described. Happy customer. Will use again."View article
KarenP193703804
5/5
Very pleased
"Easy to manuever & quick customer service response"View article
Reviewer1847861951
5/5
OMG Green toe rocks
"I did not have the money to buy this TV at the retail price of $2700. Thank you for offering this service. Now i can watch TV after 6 months. My current TV burned out 6 months ago"View article
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5/5
Easy Peasy
"It took less than 5 minutes to find the product, create account, and make the payment. Easiest purchase ever and i saved $500!"View article
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5/5
Easy process and great price
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Incredible Site & Service
"Absolutely fantastic site to get deals on items especially if you missed out on sales in the past. I cannot recommend Greentoe enough."View article
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5/5
Great selection, great prices, fast shipping!
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5/5
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The only way to buy a TV
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5/5
Best price, Brand New amd easy to oder
"Best price and very easy to order."View article
Reviewer3655183426
5/5
Great deal!
"$800 cheaper than costco. Can’t believe it."View article
Reviewer1655329426
5/5
Easy!
"Great price and easy to use. Will definitely buy from again. "View article
Specifications
Wired Connectivity
| Inputs/Outputs | 1x USB-C (Audio) Input |
|---|
Speaker System
| Power Output | 4x 200 W |
|---|---|
| Drivers | 2x 5" / 12.7 cm Woofers 2x 0.75" / 1.91 cm Tweeters |
| Passive Radiators | 3 |
| Frequency Response | 37 Hz to 20 kHz |
| Signal to Noise Ratio | >80 dB |
Power
| Battery Capacity | 4584 mAh / 99.02 Wh |
|---|---|
| Battery Voltage | 21.6 V |
| Estimated Battery Life | 28 Hours |
| Battery Charging Time | 3 Hours |
| Input Power | 100 to 240 VAC, 50 / 60 Hz |
| Battery Chemistry | Lithium-Ion |
Physical
| Weight | 12.99 lb / 5.89 kg |
|---|---|
| Dimensions (W x H x D) | 19.9 x 10.4 x 8.4" / 506.4 x 262.9 x 212.9 mm |
| Material | Fabric, Plastic |
| Environmental Resistance | Dust/Water-Resistant (IP68) |
| Media/Memory Card Slot | No |
| Color | Black |
Microphone
| Built-In Mic | No |
|---|
Key Specs
| Power Output | 4x 200 W |
|---|---|
| Drivers | 2x 5" / 12.7 cm Woofers 2x 0.75" / 1.91 cm Tweeters |
| Frequency Response | 37 Hz to 20 kHz |
| Built-In Mic | No |
| Bluetooth | 5.4 |
| Media/Memory Card Slot | No |
Bluetooth Connectivity
| Bluetooth Transmitter Modulation | π/4 DQPSK, 8DPSK, GFSK |
|---|---|
| Transmitter Power | 14 dBm |
| NFC | No |
| Supported Bluetooth Profiles | A2DP 1.4 AVRCP 1.6 |
| Bluetooth | 5.4 |
JBL Boombox 4 Portable Waterproof Bluetooth Speaker (Black) is rated
4.2 out of
5 by
5.
Rated 1 out of
5
by
Offs from
Jbl speaker
I purchased one speaker but greentree sent me two and said I purchased 2. They would not let me return the second one without a 20% retocking fee , and I had to pay for the shipping back. It was never clear to me during m6 purchase that 2 speakers were in my cart. Especially on the invoice it seemed like I had purchased one. I will never purchase from greentoe again. Nor Recommend them to anyone.
Date published: 2026-09-21
Rated 5 out of
5
by
MrMelagio from
Wow
Got this after trying the Xtreme 4 and Xtreme 5...I ended up returning both of those. The Boombox 4 blows them out of the water as far as bass goes. The Xtreme's had great sound and decent bass (especially the Xtreme 5), but this is another level. Very happy with it so far. I also like that it has a bass boost button on the actual speaker so you don't have to use the app.
Date published: 2026-08-24
Rated 5 out of
5
by
Foxhallfred from
Awesome performance
Cant believe how equally loud and thick the sound on this thing is. I had the boombox 2 and it was great, but pales in comparison. Equally cool is the price I got.
Date published: 2026-08-08
Rated 5 out of
5
by
1965Wimpy from
Bluetooth Speaker
Awesom speaker. Powerful bass. It exceded our expectations!
Date published: 2026-08-03
Rated 5 out of
5
by
tmoney from
jbl boombox 4
This jbl boombox is very loud and the base hits hard.
Date published: 2026-09-15
- y_2026, m_10, d_6, h_17
- bvseo_bulk, prod_bvrr, vn_bulk_3.0.48
- cp_1, bvpage1
- co_hasreviews, tv_0, tr_5
- loc_en_US, sid_GT-0773925, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
- clientName_greentoe
For jbl boombox 4 they have variants 4t or 4c which one I'd this one you are trying to sell me.
Asked by: Homejames
JBL Boombox 4 has no variants
Answered by: 1965Wimpy
Date published: 2026-09-03
Is this item new or is it refurbished? What is the shipping cost?
Asked by: Big Bark
Last email you sent me was wrong jbl boombox sells a 4c and a 4t model which one is this, if you don't know as that what it looks like, we'll BYE!!!!
Asked by: Who knows!!!!!!
- y_2026, m_10, d_7, h_11CST
- bvseo_bulk, prod_bvqa, vn_bulk_3.0.48
- cp_1, bvpage1
- co_hasquestionsanswers, tq_3
- loc_en_US, sid_GT-0773925, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
- clientName_greentoe
- Up to 200W RMS Audio Output via Battery
- 2 x 5" Woofers & 2 x 0.75" Tweeters
- 3 x Passive Radiators
- JBL Pro Sound with AI Sound Boost
- Dual Bass Boost Settings
- Lossless Audio Playback via USB-C
- Waterproof & Dustproof Construction
- Up to 28 x Hours of Playback
- Share to JBL Speakers with Auracast
- JBL Boombox 4 Portable Waterproof Bluetooth Speaker (Black)
- AC Power Cord (78.7")
- Limited 1-Year Manufacturer Warranty