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The JBL PartyBox Stage 320 is a large wheeled party speaker with 240 W RMS of JBL Pro Sound, a 40 Hz–20 kHz range and a light show that syncs to the music. It runs up to 18 hours on its built-in battery, is IPX4 splash resistant, and has a telescopic handle and wheels for moving it around. It also works as a power bank and pairs with a second unit over True Wireless Stereo. It suits hosts who want loud, bass-heavy sound for outdoor gatherings; it is heavy and big, so it is not a grab-and-go speaker like the smaller PartyBox models.
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In stockSold by JBL Official StoreReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $499.95 on Nov 10 at JBL by Harman. Tracked across 3 stores since Nov 10.
Owners rate it highly for loud, clean sound and deep bass, and many like the light show and the wheel-and-handle design. Complaints center on its size and weight and on battery life falling short of the claimed 18 hours at high volume.
The JBL PartyBox Stage 320 portable party speaker delivers powerful JBL Pro Sound and big thumping bass to get the crowd moving. Its adaptive lightshow syncs to your beat, creating an immersive experience. This speaker offers up to 18 hours of playtime, ensuring your party lasts all night. With a solid telescopic handle and wide, sturdy wheels, you can easily transport this speaker to any location, making it perfect for any event. Enjoy high-quality audio and dynamic lighting wherever you go with this versatile JBL speaker.
