Skip to content

4MS Listen IO Stereo Input/Output Interface

Marsoni M251S
Sale price$109.50
Pay 4 payments of $27.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
4MS Listen IO Stereo Input/Output InterfaceThe Listen IO is a 6HP stereo input output interface for use with external equipment to convert signals to and from normal Eurorack modular levels. The top section converts any external signal to a Eurorack friendly signal by providing up to 30x gain (+30dB). You can convert table top synths, keyboards, phones, computers, toys, microphones etc! You can also patch quiet modular signals into the top section to provide an additional boost. Brand new with
Easy Shipping

Quick Dispatch:

Your 4MS Listen IO Stereo Input/Output Interface orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your 4MS Listen IO Stereo Input/Output Interface ships.

Need Help?
Questions about 4MS Listen IO Stereo Input/Output Interface, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for 4MS Listen IO Stereo Input/Output Interface in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 701 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
N
Verified Purchase
Neveen
Waukegan, US
★★★★★ 1
Comes undone
Color: Gold, Size: Medium
The clasp is poorly designed and I lost it 5 times so far.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
M
Verified Purchase
MARY MARTINEZ
Birmingham, US
★★★★★ 5
Great quality
Gem Type: Emerald, Ring Size: 9
Beautiful ring
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
R
Verified Purchase
Rebel Flower Girl
Alexandria, US
★★★★★ 5
Gorgeous!!!
Gem Type: Emerald, Ring Size: 9, Gem Type: Emerald, Ring Size: 9
May is my birth month and I wanted a nice natural Emerald ring for my middle finger, it’s so beautiful and the emeralds are real. I might be writing this to soon, coz I just got it this morning, but the bezels look sturdy @ I am in love with this wonderful ring!!! I want to get one for my sister.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
K
Verified Purchase
Katherine A Lorette
Waukegan, US
★★★★★ 5
Even better in person
Gem Type: Emerald, Ring Size: 7
I absolutely love it! It is beautiful, even more beautiful in person❤️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
J
Verified Purchase
JethroinTx
Draper, US
★★★★★ 4
Get what you pay for….
Gem Type: Emerald, Ring Size: 9
Decent costume jewelry for price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026

recommand products