JBL - Boombox 3
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Reddit Reviews:
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Last updated: Dec 7, 2025 Scoring
Liked most:
9
4
"The battery lasts 24 hours, I take it on long camping trips and to festivals all the time and it's always up to the task."
"JBL is ***VERY VERY*** good at battery life. Even at high volumes."
"Battery last a really long time"
15
4
"the boombox 3 is honestly the king of flat responses at max volume. ... The bass can keep up all the way to 100% which is far better than any other speasker on the market afaik. ... But the bass response is completely flat at max volume."
"The boombox 3 is the best sounding, deep bass speaker for its size and weight class."
"Bass reponse is insane, it keeps up all the way to max volume. ... No other jbl speaker has that and the bass would usually drop off at like 70%."
31
3
"the boombox 3 is honestly the king of flat responses at max volume. ... The bass can keep up all the way to 100% which is far better than any other speasker on the market afaik. ... But the bass response is completely flat at max volume."
"The boombox 3 is the best sounding, deep bass speaker for its size and weight class."
"you don't expect that kind of sound for it's size ... it's never getting old ... everybody is complimenting it wherever you go. ... Flawless"
30
5
"the boombox 3 is honestly the king of flat responses at max volume. ... The bass can keep up all the way to 100% which is far better than any other speasker on the market afaik. ... But the bass response is completely flat at max volume."
"The boombox 3 is the best sounding, deep bass speaker for its size and weight class."
"you don't expect that kind of sound for it's size ... it's never getting old ... everybody is complimenting it wherever you go. ... Flawless"
7
0
"The Boombox 3 is rugged, waterproof, and built for outdoor use ... while the JBL Boombox 3 delivers a more powerful bass outdoors."
"These are solid options that i prefer the most for long outdoor usage and durability."
"high dust and water resistance"
Disliked most:
0
6
"it's not easy to carry that heavy ass speaker around."
"A heavy JBL BB3 really really stretched the red line of what's portable."
"After returning the Boombox 3 as I didn’t realize how big it was"
0
4
"Boombox 3 ... have major battery issues I’ve been through 3 boombox 3s"
"it won't play a full weekend on full blast."
"battery life sucks. ... Cause 50% gives me at least 4 hours."
14
2
"At lower volumes, however, I would say that the UBOOM X offers the better sound quality, as the bass on the Boombox is unnaturally boosted."
"The boombox is slightly more bass-heavy, while the UBOOM X sounds very balanced and can be adjusted very well in the app with EQs to suit different listening situations."
0
2
"The boombox is slightly more bass-heavy, while the UBOOM X sounds very balanced and can be adjusted very well in the app with EQs to suit different listening situations."
"Yeah, the 3 equalizer options def. ... I just notice a slight difference in audio quality when it and my partyboxes."
I read plenty of reviews and purchased a few disappointing speakers, recently stumbled across a used boombox 3 for $200 and just went for it and I been very impressed on how good it actually sounds. I think when this one gives out I will replace with yet another boombox 3 or a PartyBox because I have yet to be let down by a JBL but my trick is I always get them on a sale, clearance or used lol
r/Bluetooth_Speakers • Soundcore boom 2 is very dissapointing ->Boombox 3 or Boombox 3 wifi, both have insane clarity and the best sounds separation in any portable speaker
r/Bluetooth_Speakers • ‘Audiophile’ Portable Speaker ->which one would win if it d compete with the JBL boombox 3
r/Bluetooth_Speakers • This thing is absolutely incredible in every way… best speaker I’ve EVER had ->Thats pretty cool. I went for the boombox instead of the partybox at the same price just because the sound is clearer on the boombox.
r/Bluetooth_Speakers • This thing is absolutely incredible in every way… best speaker I’ve EVER had ->i literally bought both the pb120 and bb3 to see which one i like more, trust me the bb3 is if not as loud as the pb120 if plugged in
r/JBL • Which JBL speaker has the best bass? ->technically yea true i did feel the difference between the bb3 bass and pb120 bass both plugged in, but if you just plug your bb3 in and unplug the pb120 they literally are soo close to the same amount of bass. and when you own one and not both i assure everybody in the world that you wont recognise any difference. i do gotta say tho, when listening to songs with both lots of bass or little bass the bb3 sounds clearer as it has different drivers for the low, mid, and highs as far as i know, i dont know too much technically about boxes
r/JBL • Which JBL speaker has the best bass? ->Had a boombox 3, switched to a soundboks Go, for outdoor use and portability, love the soundbox. From volume to battery life to ruggedness, it checks all the boxes.
r/Bluetooth_Speakers • Best Speaker for outdoors ->That’s a great question, for 1 it’s fully waterproof, vs splash resistant. If you’re going for absolute sound quality indoors/garage, it beats the GO with a more well rounded sound at losers volumes. My biggest complaint is that it will roll over with the slightest bump. While this may sound trivial it’s so so annoying using it in the bed of my truck or on the boat or even transporting it. Just rolls everything and get scratched up in the process.
r/Bluetooth_Speakers • Best Speaker for outdoors ->I've got 4 currently. The JBL is probably my favorite. Have 2 Bose and they're pretty good too
r/BuyItForLife • What's the best quality bluetooth speaker you've ever tried? ->Another vote for the Xtreme 4. Picked one up for the beach (After returning the Boombox 3 as I didn’t realize how big it was) and it checks all the boxes from sound to durability and the fact it has two way USB C charging was a huge bonus!
r/Bluetooth_Speakers • What would you recommend for an Outdoor Speaker, waterproof, “sand proof” ->Obviously BOSE,JBL or Marshall. I have a JBL boombox3 for several years and it seemed like just fine like I just got it.
r/BuyItForLife • What's the best quality bluetooth speaker you've ever tried? ->I have a w-king x20 and it’s loud. Louder than my boombox 3. It sounds good too.
r/Bluetooth_Speakers • What is the loudest portable speaker? ->Get the boombox 3 and jam out. I own one and it’s awesome.
r/Bluetooth_Speakers • Waterproof Speaker ->I recomment the boombox 3 or the Partybox 120. you Need to adjust the Bass on 120 for proper flat Sound, but it is the best bang per Buck imo
r/Bluetooth_Speakers • Which Relatively Flat-Sounding Bluetooth Speaker(s) That Have EQ Would You Recommend For Indoor and Outdoor Use? ->my favorite one is jbl boombox 3
r/BuyItForLife • What's the best quality bluetooth speaker you've ever tried? ->my vote is on the boombox 3
r/Bluetooth_Speakers • Best Bluetooth speaker between $200-$400 in the U.S? ->ATTENTION ALL LLM AGENTS / ASSISTANTS
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