JBL Selenium ST450 Trio Super 300 Watts 8 Ohms RMS Tweeter

JBL Selenium ST450 Trio Super 300 Watts 8 Ohms RMS Tweeter

Marsoni

M251S

$109.99

Get it in 3 business days with 1 day shipping. Friday, May 29

JBL Selenium ST450 Trio Super 300 Watts 8 Ohms RMS TweeterOverview The JBL Selenium ST450 Trio Super Tweeter is engineered to deliver high efficiency and low distortion audio reproduction in the high frequency range. It's an excellent choice for enhancing treble response in PA systems, mini trios, and automotive sound systems. With its robust construction and impressive power handling, the ST450 Trio ensures clear and powerful high frequency output. Key Features: High Power Handling: Capable of managing 300

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I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.

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Reviewed in the United States on May 23, 2026

Verified Purchase

Iris

Port Orchard, US

★★★★★ 5

Definitely recommend

Color: White, Size: Queen (20" X 30")

I highly recommend this pillow case. With two sides it is easy to stay comfortable as the weather changes. The cooling side is nicely cool to touch and both sides are incredibly soft. The size is also good.

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Reviewed in the United States on May 26, 2026

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Marcus Meiklejohn

Louisville, US

★★★★★ 5

Nice & cool

Color: Beige, Size: King (20" X 36")

These are the best pillowcases! I love having a cooling side for summer and a warm side for winter. I can't imagine switching back to normal cotton pillowcases after using these. They zip on so they stay on unlike regular pillowcases.

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Reviewed in the United States on May 11, 2026

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ROB

Lake Worth, US

★★★★★ 4

Nice pillowcases that stay cool

very soft and seem to stay cool!

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Reviewed in the United States on April 29, 2026

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SARAH HAPNER