Audio & Headphones
The Best Large Party Speakers: 4 Compared (and One to Skip)
We compared four current big-box party/PA speakers on loudness, bass, portability, battery, and party features to find which fills a crowd best.
The verdict in 30 seconds
What mattered most
- Loudness / SPL headroom
- Bass depth & impact
- Portability & transport
- Durability / weather
- Party features
- Battery life
These are not pocket Bluetooth speakers — they are the suitcase-to-refrigerator-sized boxes built to fill a backyard, a driveway, or a hall with sound. We looked at four models you can actually buy in 2026: the JBL PartyBox 720, the SOUNDBOKS 4, the Sony ULT TOWER 10, and the LG XBOOM XL9T. Two are easy recommendations, one is superb but tethered to a wall outlet, and one is a fine speaker that simply runs out of headroom next to the others for a truly large party.
The most complete big-party all-rounder: huge sound, real bass, and it rolls to the party on its own wheels.
Best for: Anyone who wants one speaker that does loud outdoor parties, karaoke, and deep bass without compromise.
- 800W with dual 9-inch woofers — deep, room-filling low end that independent testing consistently ranks among the best in its class
- Runs on battery or AC, so it works off-grid and never dies mid-set at a longer party
- Built-in wheels and a sturdy handle make ~30 kg genuinely manageable
- Elaborate synced light show plus mic and instrument inputs for karaoke or a small performance
- Heavy and bulky — you roll it, you don't casually carry it up stairs
- Battery life at high volume is measured in hours, not the marathon a SOUNDBOKS delivers
The go-anywhere loudness king — lighter than the rest, brutally loud, and it runs all day on swappable batteries.
Best for: Festivals, beaches, and off-grid events where portability, ruggedness, and raw volume matter more than lights or gimmicks.
- Rated up to 126 dB — owners and independent testing agree it cuts through open air and large crowds like nothing else its size
- Swappable USB-C battery packs deliver up to 40 hours, so it never has to stop for a charge
- IP65 electronics, a dent-proof steel grille, and shock-absorbing corners make it the most rugged, throw-it-in-the-van option here
- At roughly half the weight of the others, it is the only one you can realistically carry to a beach or festival site
- No light show and no karaoke/mic features — it is a pure loudspeaker, not a party-in-a-box
- Bass is punchy and tight rather than the deep sub-rumble the JBL and Sony can produce
The best-sounding of the bunch with the deepest bass — but it's a wall-powered tower that never leaves home.
Best for: House parties, karaoke nights, and home-theatre use where mains power is always available and sound quality is the priority.
- Independent testing praises the most refined, natural tuning of any speaker here, with the deepest bass thanks to a large woofer and its ULT bass modes
- Loads of party features: 360-degree light show, an included wireless microphone for karaoke, and a TV/optical input for movie nights
- Genuinely enormous, room-filling output for indoor spaces and covered venues
- AC power only — there is no battery, so it is useless anywhere without an outlet
- Very heavy (around 30 kg) and over a metre tall; the wheels help, but this is a stay-put centrepiece
A likeable, feature-packed tower — but for a genuinely large party it runs out of headroom before the others do.
Best for: Patios, garages, and mid-size gatherings where a full big-box PA would be overkill — but not the main choice for a large party.
- Dual 8-inch woofers, a fun pixel-LED display, and karaoke support make it a lively mid-size party speaker
- The lightest tower here with wheels and a telescopic handle, plus around 20 hours of battery
- Costs noticeably less than the three premium options
- Least loud and least deep of the four — owners note it struggles to fill truly large or open spaces
- Marketing power figures overstate real-world output compared with the JBL, SOUNDBOKS, and Sony
| Criteria | JBL PartyBox 720 Top pick | SOUNDBOKS 4 | Sony ULT TOWER 10 | LG XBOOM XL9T |
|---|---|---|---|---|
| Verdict | Buy it | Buy it | It depends | Skip it |
| Best for | Anyone who wants one speaker that does loud outdoor parties, karaoke, and deep bass without compromise. | Festivals, beaches, and off-grid events where portability, ruggedness, and raw volume matter more than lights or gimmicks. | House parties, karaoke nights, and home-theatre use where mains power is always available and sound quality is the priority. | Patios, garages, and mid-size gatherings where a full big-box PA would be overkill — but not the main choice for a large party. |
| Price tier | $$$ · premium | $$$ · premium | $$$ · premium | $$ · mid-range |
| Loudness / SPL headroom | Very high — 800W fills large yards | Class-leading, up to 126 dB in open air | Very high, but AC-bound | Loud for its size; least headroom here |
| Bass depth & impact | Deep — dual 9" woofers | Punchy and tight, less sub-rumble | Deepest — large woofer + ULT modes | Solid dual 8", lighter low end |
| Portability & transport | Wheels + handle, ~30 kg but rolls | ~15 kg — true carry-anywhere | ~30 kg, wheels but AC only | Wheels + telescopic handle, lightest |
| Durability / weather | IPX4 splashproof | IP65, steel grille, shock corners | IP64 dust/splash | IPX4 splashproof |
| Party features | Big light show, mic + guitar in, app | None — pure loudspeaker, app EQ | 360 lights, wireless mic, karaoke, TV in | Pixel-LED display, karaoke, app |
| Battery life | Built-in, several hours at volume | Up to 40h, swappable USB-C packs | None — AC only | Up to ~20 hours |
| Best setting | Large outdoor parties | Festivals, beaches, off-grid | Home, karaoke, covered venues | Patios, mid-size gatherings |
| Price tier | $$$ · premium | $$$ · premium | $$$ · premium | $$ · mid-range |
Which one is right for you?
- Anyone who wants one speaker that does loud outdoor parties, karaoke, and deep bass without compromise. Buy it JBL PartyBox 720
- Festivals, beaches, and off-grid events where portability, ruggedness, and raw volume matter more than lights or gimmicks. Buy it SOUNDBOKS 4
- House parties, karaoke nights, and home-theatre use where mains power is always available and sound quality is the priority. It depends Sony ULT TOWER 10
- Patios, garages, and mid-size gatherings where a full big-box PA would be overkill — but not the main choice for a large party. Skip it LG XBOOM XL9T
How we judged the field
We don’t run our own lab. Instead, we synthesize independent testing, expert reviews, and aggregated owner reports to find where the consensus lands — and where it splits. For large party speakers, a handful of things separate the genuinely great from the merely loud, so those are what we weighted.
- Usable loudness, not marketing watts. Peak-power numbers are close to meaningless across brands. What matters is how much clean, undistorted volume a speaker delivers before it starts to sound harsh — its headroom at party levels.
- Bass that you feel. For parties, low-end depth and impact do a lot of the emotional work. Woofer size and cabinet design tell you more here than any spec sheet.
- Getting it there. A speaker that fills a field is no use if you can’t move it. We looked at weight, wheels, handles, and whether it runs on battery.
- Ruggedness and weather. These live outdoors and get bumped. Ingress ratings and build quality decide whether it survives the season.
- Party extras. Lights, karaoke mics, and app control aren’t essential, but they’re often the reason people buy these instead of a bookshelf system.
All four models below are current and buyable in 2026. Where a name has changed — JBL’s older PartyBox 710 is now the 720, for instance — we use the current model.
JBL PartyBox 720 — buy
This is the one most people should get. With 800W driving dual 9-inch woofers, the PartyBox 720 produces the kind of deep, room-filling bass that independent testing repeatedly ranks near the top of the category, and it goes plenty loud for a large backyard. Crucially, it runs on either its internal battery or wall power, so it works off-grid but never dies mid-party if you’re near an outlet. It rolls to the party on built-in wheels with a sturdy handle, which makes its considerable weight a non-issue in practice. Add a genuinely impressive synced light show plus mic and instrument inputs, and you have a single box that covers loud outdoor music, karaoke, and everything in between. Owners consistently describe it as the do-it-all choice, and we agree.
SOUNDBOKS 4 — buy
If portability and endurance top your list, the SOUNDBOKS 4 is the pick. Rated up to 126 dB, it is astonishingly loud for its size and, by owner accounts, cuts through open-air crowds better than anything else here. It is also the only one you can realistically carry — at roughly half the weight of the others — and the most rugged, with IP65 electronics, a dent-proof steel grille, and shock-absorbing corners. The killer feature is its swappable USB-C battery system: up to 40 hours of playtime and the ability to hot-swap a fresh pack, so it simply never has to stop. The trade-off is focus. There are no lights and no karaoke features — this is a pure loudspeaker — and its bass, while punchy and tight, doesn’t rumble as deep as the JBL or Sony. For festivals, beaches, and anywhere without power, that’s a trade worth making.
Sony ULT TOWER 10 — it depends
On pure sound, the Sony is arguably the best of the four. Independent testing praises its unusually natural, refined tuning for a party speaker, and its large woofer plus dedicated ULT bass modes give it the deepest low end in this group. It is also the most feature-rich: a 360-degree light show, an included wireless microphone for karaoke, and a TV/optical input that lets it double as a home-theatre and movie-night speaker. So why “it depends”? Because it is AC-only. There is no battery at all, which makes it useless anywhere without an outlet, and at around 30 kg and over a metre tall, it is very much a stay-put centrepiece. If your parties are at home and you value sound quality above all, it’s superb. If you ever need to leave the house, look elsewhere.
LG XBOOM XL9T — skip
The XL9T is a likeable speaker — dual 8-inch woofers, a fun pixel-LED display, karaoke support, wheels, a telescopic handle, and around 20 hours of battery, all at a friendlier price than the premium three. The problem is the context. Judged specifically as a large party speaker, it is the least loud and least deep of the four, and owners note it starts to strain when asked to fill a big or open space. Its headline power figure also flatters it relative to real-world output next to the JBL, SOUNDBOKS, and Sony. For a patio, a garage, or a mid-size gathering it’s genuinely good value — but if you specifically want to cover a large party, the extra spend on one of our top picks buys real, audible headroom. That’s why we skip it for this job.
JBL PartyBox 720 vs SOUNDBOKS 4: which should you buy?
These are the two speakers most large-party hosts should be choosing between, and the decision comes down to a single question: how far from a power outlet do you party?
The JBL PartyBox 720 is the more complete package. It goes deeper on bass thanks to its dual 9-inch woofers, brings a full light show and karaoke inputs, and its battery-or-AC flexibility means it adapts to almost any setting. Its weight is real, but the wheels make it a rolling problem rather than a carrying one. It is the better centrepiece for a fixed party.
The SOUNDBOKS 4 wins on everything mobile. It is far lighter, tougher, louder in raw terms, and its swappable-battery system runs for up to 40 hours — so for festivals, beaches, and long off-grid events it is simply the more practical machine. What you give up is the lights, the karaoke mic, and a little low-end depth.
Buy the JBL if your parties happen in one place and you want lights and karaoke; buy the SOUNDBOKS if you’re constantly on the move and endurance matters most.
What to look for
- Real headroom over quoted watts. Trust owner and independent-testing impressions of clean, undistorted loudness rather than peak-power marketing figures.
- Woofer size for bass. Bigger woofers (8–9 inches, or multiples of them) do more for party low-end than any equalizer setting.
- Battery vs AC. Decide honestly whether you’ll ever be away from an outlet. If yes, prioritize battery life and swappable packs; if no, a mains-only tower gives more sound per dollar.
- Wheels and handles. Above about 15 kg, transport design matters as much as the speaker itself. Look for real wheels and a solid telescoping handle.
- Weather rating. An IP6x or IPX4 rating handles splashes and mist; nothing here survives a downpour, so plan for cover.
- The extras you’ll actually use. Karaoke mics, light shows, TV inputs, and app EQ vary widely. Pick the feature set that matches how you’ll really use it rather than the longest list.
Our final take
For most people throwing large parties, the JBL PartyBox 720 is the right buy: it combines deep bass, big clean volume, a proper light show, karaoke inputs, and battery-or-AC freedom in a box that rolls itself to the party. The SOUNDBOKS 4 is the one to get instead if you’re mobile — lighter, tougher, louder, and effectively unlimited on battery, at the cost of lights and karaoke. The Sony ULT TOWER 10 is the connoisseur’s choice for a home that never needs a battery, delivering the finest sound and deepest bass of the group. And the LG XBOOM XL9T is a fine, affordable mid-size speaker that we’d only skip because, for a genuinely large party, the others simply do more. Match the speaker to where you’ll actually use it, and any of the top three will keep a crowd moving.
Questions, answered
Should I get a battery or a plug-in party speaker?
It depends on where you party. If your events are ever away from an outlet — backyards, beaches, parks, festivals — get a battery model like the SOUNDBOKS 4 or the JBL PartyBox 720 (which runs on both). If everything happens at home near power, a wall-only tower like the Sony ULT TOWER 10 gives you more sound and features for the money since it doesn't carry the cost or weight of a big battery.
How much speaker do I need for a large party?
For a crowd of dozens in an open space, you want one of the big three here — the JBL PartyBox 720, SOUNDBOKS 4, or Sony ULT TOWER 10. Their extra woofer size and output give you clean volume with headroom to spare, which is what keeps music sounding good rather than harsh at party levels. A smaller tower like the LG XL9T is fine for a patio or garage but will sound strained trying to cover a big yard.
Can these speakers do karaoke?
Most can. The Sony ULT TOWER 10 includes a wireless microphone and is built for karaoke, the JBL PartyBox 720 has mic and instrument inputs, and the LG XBOOM XL9T supports karaoke too. The SOUNDBOKS 4 is the exception — it is a pure loudspeaker with no built-in mic or vocal features, so pick one of the others if singalongs matter.
Are these safe to use outdoors if it might rain?
They tolerate splashes, not submersion. The SOUNDBOKS 4 (IP65) is the most weather-resistant, with the JBL (IPX4) and Sony (IP64) rated for splashes and the LG (IPX4) similar. All can handle poolside mist or a light drizzle, but none should sit out in a downpour — bring them under cover if serious rain arrives.
Can I pair two of these together for a bigger, stereo sound?
Generally yes, within a brand. JBL, SOUNDBOKS, Sony, and LG each let you wirelessly link two of their own speakers for stereo or a wider party mode — but you can't mix brands, and both units usually need to be the same or compatible models. If you think you'll expand later, buy into whichever ecosystem you like and add a matching second unit.
