The Soundcore Boom 2 Plus by Anker pushes 140W max booming bass through dual 50W woofers and dual 20W tweeters, floats in the pool with IPX7 waterproofing, recharges your phone from its built-in power bank, and plays 20 hours. 5,200+ buyers rate it 4.5 out of 5.
Weak bass, dying batteries, poolside anxiety — portable sound usually means compromised sound.
Most portable speakers reproduce bass as a polite suggestion. At party volume the low end distorts first, and your playlist loses everything below the vocals.
A speaker that sips power at low volume gulps it at party volume. 'Up to 24 hours' quietly assumes you weren't actually going to turn it up.
One splash, one tip-over on the floatie, one burst hose — and a $150 speaker is a paperweight. 'Water-resistant' rarely means water-fine.
The speaker survives the day but three phones don't — and the person with the aux cable is also the person with 4% battery.
140W of Feel-It-In-Your-Chest bass, waterproof enough to float, and enough battery to be the life of two parties.
Pain: Bass that fades the moment you raise the volume.
Dual woofers with BassUp 2.0 boost output from 100W to a 140W max — reaching down to 40Hz, where you feel kick drums in your chest rather than hear them. 160% more bass than the standard tuning.
40Hz depth · BassUp 2.0 · 140W max
Pain: Speakers that turn to mush at party levels.
Dual 50W woofers and dual 20W tweeters with smart crossover technology keep lows and highs separated and clean — crisp treble over deep bass, even when the whole backyard is asking for one more song.
2× 50W woofers · 2× 20W tweeters · Smart crossover
Pain: Speakers that need supervision near any liquid.
Fully sealed IPX7 construction survives rain, splashes, full submersion — and it floats. Drop it in the pool mid-party and it keeps playing, bobbing along with the floaties.
IPX7 rated · Floats face-up · Beach-proof
Pain: A speaker that naps before the party ends.
Pair it with a 30W charger and a full refill takes just 3 hours — then it plays 20 hours of music. The party starts Friday evening; the speaker sees Saturday's brunch.
20h playtime · 30W fast charge · 3h full
Pain: The aux-cable person's phone always dies first.
A built-in power bank tops up phones and devices from the speaker's massive battery — the person controlling the music never loses power, and nobody has to run inside for a charger.
USB power bank out · Charges phones
Pain: Speakers that go dark when the sun does.
Built-in RGB lights pulse and sweep in sync with the beat — get into the groove as the party moves to the next level. It's as much a light fixture as a speaker after sunset.
Beat-synced RGB · Multiple patterns
Pool floats, overnight campsites, and a block-party finale — volume pinned.
Deliberately tipped it into the deep end. It floated face-up, kept playing, and was fished out still mid-song — dried off overnight, none the worse. IPX7 here isn't marketing fine print.
Camped two nights with the Boom 2 Plus as the only power source: music for hours each evening, plus it recharged two phones from its power bank. Came home with battery to spare.
40 guests, backyard, volume at 70%: the 2+2 driver array filled the yard with clean sound — no distortion at levels where other speakers start shredding. The light show kept dancing after sunset.
Knocked it into the pool three times this summer — it just bobs there playing. Sound is huge for the size, and the bass is genuinely feelable. My JBL Charge stays in the closet now.
20 hours is real — ran a full Saturday afternoon-to-midnight party at high volume and still had battery Sunday morning. The power bank saved two phones. The light show is a surprisingly big hit.
Know what you're buying: this is the large-format Boom — it has a strap and some heft. If you want pocketable, look elsewhere. If you want the bass to anchor the party, this is the one.
Prime members get free 2-day delivery on every order.
Don't love it? Send it back, full refund, no restocking fees.
Amazon's purchase protection backs every transaction.
Hassle-free replacement and friendly support from Anker.
5,200+ buyers rated the Boom 2 Plus 4.5 out of 5 — 140W booming bass, IPX7 waterproof that floats, and a built-in power bank that outlasts the whole weekend.
View on Amazon