Intellijel Stereo I/O 1U

Marsoni

M251S

$189.50

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

Intellijel Stereo I/O 1UThe Stereo I O 1U is an all in one audio input output module designed to bridge the gap between your Eurorack system and line level devices. Process external audio with your modules, monitor your patch with headphones, or connect your system to mixers or interfaces with line level. ##Features * Main output to balanced stereo line level with volume control (for line mixers, FX, speakers etc.) * Stereo input from balanced line level with gain switches

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We offer a 30-day return/exchange service after receiving.
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These work! I saw other reviews saying they didn't fit because they have a small round connector and that's what they have. Look inside your pen, I have an off brand pen and used my phone flashlight to look to see how it connected inside and it's round. It's also threaded so the product is described well and fits my no brand pen. Great price as well, I found the same ones on eBay for double the price. Very happy with this purchase and will be buying again.

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Reviewed in the United States on December 17, 2025

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ERucci

New York, US

★★★★★ 5

Perfect Microneedling Replacement Cartridges

These cartridges fit the Loutsbe brand Microneedle Instrument that I purchased from Amazon. After much research, I was so happy to find these as it seems there are many different types out there. It can be rather confusing finding the correct cartridges. The quality of these is excellent and they screw in perfectly. These have the treads above the little spring.

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Reviewed in the United States on June 4, 2026

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Melinda

Omaha, US

★★★★★ 5

Micro needling replacements

These cartridges all came well sealed, and well aligned so when I use them, they don’t stab deeper in one spot than the other and they fat my micro needling pen.

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Reviewed in the United States on May 28, 2026

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CAM

West Palm Beach, US

★★★★★ 5

Do yourself Micro needling

Easy to use and lives up to my expectations.

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Reviewed in the United States on February 5, 2026

Verified Purchase

Lira Beautiful Spa Academy