This Rugged Sony Portable Speaker Is $100 Right Now

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The Sony ULT Field 3 is part of Sony’s newer ULT lineup from 2025, alongside the larger ULT Field 5 and the ULT Tower 9. This is the smallest and most portable of the three, clearly aimed at people who want something tough, loud, and easy to carry. Right now, Woot is selling a refurbished unit for $99.99, with free shipping for Prime members and a $6 fee for everyone else. As a “Grade A” refurbed unit, it’s been inspected, tested, and guaranteed to work like new, with cosmetic wear that isn’t noticeable from arm’s length. It also comes with a one-year eReplacements limited warranty. The same speaker has been sitting at $125 on Amazon, and price trackers show it hasn’t gone lower there, so this is a genuine drop rather than a recycled deal.

Sony ULT Field 3 Wireless Portable Bluetooth Speaker

$99.99 at Woot

$125.00 Save $25.01

Get Deal

Get Deal

$99.99 at Woot

$125.00 Save $25.01

In actual use, the ULT Field 3 leans hard into bass. Sony squeezed a real woofer into a body that’s still backpack-friendly, and you can feel that low-end emphasis even at moderate volume. Turning on ULT mode pushes the bass further, which works well outdoors or in larger rooms, but it’s not subtle. Vocals can take a slight back seat if you don’t tweak the sound. Speaking of, the seven-band EQ in Sony’s Sound Connect app helps dial things in, especially if you want a flatter profile for podcasts or background music. The speaker is rated IP67, so it can handle dust, water, and the occasional drop without much worry, notes this PCMag review. It also supports Party Connect, letting you link it with other compatible Sony speakers for wider coverage.

Battery life is another strong point, with up to 24 hours of playback when you’re not pushing the volume too hard. At full volume, that drops closer to five hours, which is expected given the bass output. Fast charging helps: A 10-minute charge reportedly gives you about two hours of listening, which is useful when you forget to plug it in. It’s not the most balanced-sounding speaker for critical listening, and the app extras like DJ effects might feel gimmicky for some. But for portability, durability, and long battery life at this price, it’s a solid option if bass-forward sound fits your needs.

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