Could I use this stereo adapter to replace the mono adapter that comes with the XviveU4 wireless IEM system?

This balanced (tip, ring, sleeve) adapter will carry a stereo signal if fed so.

Will this work for microphone to 1/4" input on a vintage Fostex recorder?

That depends on the 1/4" input jack of the Fostex. If the input jack is a ring, tip, sleeve jack, it will work. If you have the manual for the Fostex, It should tell you the configuation of the input jack. If you do not have the manual, you should be able to find a manual online.

Will this adaptor provide stereo sound for my in ear monitors

RESPONSE FROM MANUFACTURER - CABLE MATTERS: Yes, this 6.35mm 1/4 Inch TRS to XLR Adapter supports stereo sound. Please feel free to let us know if you have any further questions by contacting us through Amazon's messaging center. Open the product page, click on "Sold by Cable Matters" and then "Ask a Question”. Cable Matters Support Team

Can I use these for 1/4 audio output to xlr cable ?

RESPONSE FROM MANUFACTURER - CABLE MATTERS: Yes, you can use this 6.35mm 1/4 Inch TRS to XLR Adapter for 1/4 audio output to XLR cable. Please feel free to let us know if you have any further questions by contacting us through Amazon's messaging center. Open the product page, click on "Sold by Cable Matters" and then "Ask a Question”. Cable Matters Support Team

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Description

🎤 Elevate your sound game with pro-grade adapters that never quit!

COMPACT POWER DUO - Two-pack convenience keeps you ready for studio sessions or on-the-go gigs.
PLUG PLAY VERSATILITY - Seamlessly connects your XLR cables to 1/4 inch TRS jacks across mixers, speakers, and amps.
LIGHTWEIGHT POCKET READY - Weighing less than an ounce, it’s the perfect portable audio companion.
BUILT TO LAST BUILT FOR YOU - Rugged metal construction ensures durability in any professional environment.
STUDIO GRADE SOUND PRECISION - Experience pristine, balanced audio for flawless mixes and live sets.

The TRS Male to XLR Male Adapter by Cable Matters is a professional-grade, balanced audio adapter designed for seamless connection between 1/4 inch TRS jacks and XLR inputs. Featuring rugged metal housing for durability and a lightweight, compact design, this 2-pack adapter delivers pristine sound quality ideal for mixers, speakers, and amplifiers in both studio and live environments.

Specifications

ASIN	B07X67KG5Y
Best Sellers Rank	5,460 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 77 in Audio & Video Adapters
Brand	Cable Matters
Cable Type	XLR
Cable type	XLR
Colour	Silver
Compatible Devices	Speaker
Compatible Phone Models	No Compatible Phone Models
Compatible devices	Speaker
Compatible phone models	No Compatible Phone Models
Connector Gender	Male-to-Male
Connector Type	6.35mm, XLR
Connector type	6.35mm, XLR
Country Of Origin	China
Customer Reviews	4.7 out of 5 stars 1,380 Reviews
Indoor Outdoor Usage	Outdoor
Item Shape	Round
Item Weight	0.15 Pounds
Manufacturer	Cable Matters
Model Number	500046x2-E
Number of Items	2
Number of Pins	3
Other Special Features of the Product	Stabilen
Recommended Uses For Product	Audio Transmission
Special feature	Stabilen
UPC	818707026953
Unit Count	2 count

Reviews

D**N

Excellent and good value

A simple adaptor from 1/4 mono jack to XLR. Works perfectly.

19.09.2025

M**S

Jack adapters

Perfect and does the job

9.06.2025

D**N

Good Quality

Top Quality

29.09.2025

M**Y

Works well and compact.

Good for when I change to a small format amp with jacks for small venues or practice rooms instead of my old stage setup with XLRs. No obvious loss in sound quality.

18.05.2024

H**N

fit for purpose

excellent

2.06.2025

A**N

Feels Durable

Nice and heavy material , and feels durable , works perfectly

9.05.2024

L**R

Do what they need to do

Handy and the sound coming through them works well

21.12.2023

C**S

Great service, great product

It is a useful piece of kit for allowing connection to my sound mixer.

9.12.2023

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