There’s no shortage of portable Bluetooth speakers that you can clip onto a backpack with a carabiner or even literally slip into your pocket. We’re fans of the good ones, but even then, there’s a time and a place for a portable speaker that brings so much sheer power and quality audio that it makes the extra size more than worth it. That’s the JBL Boombox 3 in spades, and that’s why this Amazon 30%-off sale is a big deal.

At nearly 15 pounds and 19 inches across, the Boombox 3 is built to be carried to a destination and then dominate it. The 3-way speaker system — a dedicated subwoofer, two midrange drivers, and two tweeters — pushes 180 watts in AC mode and 136 watts on battery, which is enough output to fill a backyard, cut through beach wind, and keep a crowd of people covered without distortion at high volume. This is where the Boombox 3 separates from smaller speakers that sound good up close but fall apart at distance or at the top of the volume range.

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Big, Loud, and Tough

IP67 dust and waterproofing means the Boombox 3 handles pools, rain, sand, and the kind of treatment outdoor speakers inevitably get. Full submersion up to a meter of water for 30 minutes — so a spill off a dock or a wave washing over it at the beach isn’t a death sentence. The metal handle with the orange silicone grip is sturdy enough to carry comfortably despite the weight, and the twin sidecap design protects the drivers during transport.