Lowest-ever price alert: Score Sonys ULT Field 3 portable speaker for under $150

SAVE OVER $50: As of June 23, the Sony ULT Field 3 portable speaker is on sale for $144.95 at Amazon. This is 28% off its list price of $199.99 and marks its lowest-ever price.

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Credit: Sony

Sony ULT Field 3

$144.95 at Amazon
$199.99 Save $55.04

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We're only a few weeks away from Amazon Prime Day's (running from July 8 through July 11. If you simply can't wait to check out all the deals, the good news is that Amazon already has some great offers available. This includes a discount on our favorite Bluetooth speaker for bass lovers, the Sony Ult Field 3.

The Sony ULT Field 3 portable speaker is on sale for $144.95. It's normally listed for $199.99, so you're saving over $50 (or 28%). It also marks its lowest-ever price, so there's no better time than now to grab it.

Built with a compact design and a shoulder strap to make carrying it around nice and easy, the Sony Ult Field 3 is a great portable speaker to have around at your next outdoor party or gathering. It boasts up to 24 hours of battery life and has an IP67 waterproof and dustproof rating, so its durable enough to handle the beach, pool, and more. More importantly, it offers excellent sound with an especially punchy bass thanks to the ULT button.

Our Sony Ult Field 3 review had a lot of praise for this portable speaker. Mashable's Miller Kern said it's, "worth it for someone who loves to hear the bass in their music and needs a speaker to fill a large space — or someone who listens to music outdoors often, like at the beach or on a hike." We also consider it the best Bluetooth speaker for bass lovers in our roundup of the best Bluetooth speakers.

Don't miss out on the Sony Ult Field 3 portable speaker marked down to under $150 at Amazon.

If you're curious about what's in store for Prime Day this year, have a look at our breakdown of everything you need to know about Amazon Prime Day 2025 to prep yourself for this year's sale event.