Can this adapter let me plug a USB mic into an XLR mixing board?

I'm sure you can, but you'd probably need another a usb adapter, if your mic is a female usb, then you'll need a male to male adapter chord, assuming that the XLR on this adapter is male.

Does the +48V button act as a power switch? Does it have to be "on" to pass signal through? (I already have phantom power supply in the audio chain)

No, it doesn't act as a power switch. It is only for running a condenser mic. It can be left off. However, if you are feeding 48v as input to this unit, when it is designed to have only the signal as input, I do not know what the effects will be. I imagine that it is best to operate the 48v boost at the last device before the mic, if even your mic needs the boost at all.

What does the "monitor" dial do?

It controls the mix level of the headphone out without affecting the gain or mic volume .

Most of the answers say this is for low impedence mics. i'm looking for a way to connect the wireless audio2000s mic system to my computer. will i have any problems if i'm using a macbook pro and the mic receiver has an output of what appears to be 600 ohms?

Couldn't say for sure, but impedance seems to be much less of a concern with the mic circuitry in use lately. If there's a preamp in your mic's receiver, you wouldn't need this unit. It's not merely an adapter. It's a preamp. If you do need a preamp, just get the right patch cord to match the output jack of your wireless receiver to the X2U's female XLR jack & you should be good to go.

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Shure MVX2U XLR-to-USB Digital Interface with Headphone Jack, Integrated Pre-amp with 60dB Gain Control, Zero-Latency Monitoring, 48V Phantom Power, ShurePlus Desktop App, 1m USB-C Cable

Shure MVX2U XLR-to-USB Digital Interface with Headphone Jack, Integrated Pre-amp with 60dB Gain Control, Zero-Latency Monitoring, 48V Phantom Power, ShurePlus Desktop App, 1m USB-C Cable

Product ID: 549420523

Details

Brand
Shure
Compatible devices
Personal
Connectivity technology
USB
Number of channels
1
Supported software
ShurePlus App

🎧Zero-Latency Headphone Monitoring

🔌XLR-to-USB Plug & Play

🎙️60dB Gain Control

1260 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

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Description

🎤 Elevate your sound game—pro audio, zero hassle.

ZERO LATENCY MONITORING - Built-in 3.5mm headphone jack for real-time audio monitoring—no delay, no distractions.
FUTURE PROOF AUDIO SETUP - Seamless firmware updates via ShurePlus Desktop App keep your interface cutting-edge.
CROSS PLATFORM COMPATIBILITY - Works flawlessly with Mac and Windows using the included USB-C cable—flexibility meets convenience.
PRO GRADE GAIN PHANTOM POWER - Up to 60dB clean gain plus 48V phantom power to unlock the full potential of dynamic and condenser mics.
PLUG PLAY LIVESTREAM POWERHOUSE - Instant XLR-to-USB connectivity with Auto Level Mode—start streaming or recording without a hitch.

The Shure MVX2U is a compact, professional-grade XLR-to-USB digital interface designed for podcasters, musicians, and creators. Featuring up to 60dB gain, 48V phantom power, zero-latency headphone monitoring, and seamless Mac/Windows compatibility, it delivers studio-quality sound with plug-and-play ease. Future-proof your setup with firmware updates via the ShurePlus app, all packed into a sleek, portable design.

Specifications

ASIN	B0C8W8D4PD
Audio Input	XLR
Brand Name	Shure
Compatible Devices	Personal Computer
Connectivity Technology	USB
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (674)
Impedance	5.8 Ohms
Included Components	Item
Item Dimensions D x W x H	28D x 28W x 85H millimeters
Item Type Name	XLR-to-USB adapter
Item Weight	100 Grams
Manufacturer	Shure
Manufacturer Part Number	MVX2U
Maximum Sample Rate	48 KHz
Model Number	MVX2U
Number of Channels	1
Operating System	Windows, macOS
Supported Software	ShurePlus MOTIV Desktop App
UPC	042406767767
Unit Count	1.0 Count
Warranty Description	2 years

Reviews

D**G

It works

Great preamp for xlr microphone.

19.11.2023

ا**د

مدخل سريع من الكمبيوتر والجوال على المايك من غير لفة الميكسر :)

قطعة مهمة لو حاب انك توصل المايك على الكمبيوتر ولا الجوال من غير ميكسر وتشبك فيها سماعة الرأس

26.12.2025

S**7

Great Product

Just too expensive but very good product for microphone.

11.01.2026

B**T

スタイリッシュな見た目で機能性抜群

高級感のある見た目で◎、USB-Cでこれからの時代も使いやすい。所有している機器と相性問題は発生しませんでした。専用アプリケーションのMOTIV Mixがとにかく使いやすいです。動作はランプで確認できるので安心感もあります。

24.06.2025

C**N

Interface audio pour micro

Très efficace pour le branchement d’un micro sur pc

11.08.2024

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1260 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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