Top 5 party speakers
Loud enough to feel. Battery enough to last. Lights optional, bass mandatory. Prices checked Oct 2026.
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Ranked by "would the neighbors call the cops"

JBL PartyBox Stage 320 — $500
The default. Wheels, a light show, dual mic inputs for karaoke, and 18 hours per charge — this is the speaker every backyard party is already using. If you buy one, buy this one.
Buy it if: you're throwing the party.

Sony ULT Tower 9AC — ~$800
The loudest. A tower of bass that doubles as your living room system the other six days a week. Plug it in, pair your phone, done — no mixer, no PA knowledge required.
Buy it if: your backyard has no noise ordinance.

Ultimate Ears HYPERBOOM — ~$449
Big sound you can actually carry. Twenty-four hours of battery and a shape that fits in a trunk — the party speaker for people whose parties move locations.
Buy it if: the party moves.

Tribit StormBox Blast 2 — ~$330
Ninety percent of the flagship experience for two-thirds of the price. IPX7 means the pool is not a threat, and 30 hours means the weekend is covered.
Buy it if: money matters but volume doesn't.

Turtlebox Original Gen 3 — ~$399
The indestructible one. Built for tailgates, boats, and job sites — it sounds like a boombox and survives like a tool. The splurge that outlives the party.
Buy it if: your parties end in the pool.
Prices change daily, so we link straight to Amazon for today's price.
The short version
The default: JBL PartyBox Stage 320. Loudest: Sony ULT Tower 9AC. Tight budget: Tribit StormBox Blast 2 and never look back.
Your turn
What's shaking your walls?
Prices checked Oct 2026. Battery figures are manufacturer specs — real parties vary.