Can i use this for connecting the unbalanced l and r ts outputs from a drum machine into the balanced xlr inputs of two (left and right) speakers?

Yes. It is a two channel direct box. This device translates input from each 1/4" input to the associated XLR output. You could do this with stereo L/R outputs or two separate instruments entirely.

Can I run 2 Keyboards in stereo thru this?

It has two inputs and two outputs, imagine two very slim DI's attached together. So yes you can run stereo in but its going to be separate XLR outputs for L & R

I don’t see the xlr out outputs on this unit??

The XLR outputs are there. This direct box works great.

Mackie Mdb 2p 2 Channel Passive Direct Box Di Ground

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🎹 Elevate your stereo sound game—no noise, no fuss, just pure pro-level clarity.

HUM FREE ZONE - Ground lift switch eliminates pesky hum and buzz, so your audience hears only what you want them to.
DISTORTION NOT HERE - Engage the -15 dB pads instantly to tame hot signals and keep your mix crystal clear under pressure.
PLUG PLAY POWERLESSNESS - 100% passive operation means zero batteries or phantom power—just pure, reliable sound anytime, anywhere.
STEREO CLARITY NO COMPROMISE - Dual high-impedance inputs with balanced XLR outputs deliver pristine, noise-free audio for keyboards and synths.
BUILT LIKE A TANK READY FOR THE ROAD - Rugged construction ensures your DI box survives every gig, tour, and studio session without skipping a beat.

The Mackie MDB-2P is a rugged, passive 2-channel direct box designed for stereo instruments like keyboards and synths. It converts high-impedance signals into balanced, low-impedance XLR outputs optimized for long cable runs and low noise. Featuring -15 dB pads and a ground lift switch, it ensures distortion-free, hum-free audio without requiring power, making it an essential tool for live performance and studio use.

Specifications

ASIN	B079C8YN82
Audio Input	XLR
Best Sellers Rank	6,756 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 4 in DI Units
Brand	Mackie
Brand Name	Mackie
Compatible Devices	Computer, Amplifier, Speaker
Compatible devices	Computer, Amplifier, Speaker
Connectivity Technology	XLR
Connectivity technology	XLR
Country of Origin	China
Customer Reviews	4.8 out of 5 stars 381 Reviews
Global Trade Identification Number	00663961053999
Item Type Name	Stereo Passive Direct Box
Item Weight	408 g
Item weight	408 g
Manufacturer	Mackie
Manufacturer Part Number	2049172-00
Maximum Sample Rate	192 KHz
Model Number	MDB-2P
Number of Channels	2
Number of channels	2
Operating System	Linux, Windows, macOS
Operating system	Linux, Windows, macOS
Product Warranty	1-year all inclusive, nontransferable.
UPC	663961053999
Unit Count	1.0 count

Reviews

Z**D

The best

Very satisfied with the results. Meets my expectations.

13.03.2026

J**T

Just what I needed!

Works great. Fixed my issue

14.07.2026

G**E

Nickel! Costaud et efficace.

Excellente DI stéréo! Que dire de plus, c'est solide, aucun problème audio, simple d'utilisation et relativement bon marché. C'est vraiment nickel. Je pense en commander une autre bientôt.

7.03.2025

A**U

Calidad/precio alta.

Elimina ruidos, clips, calidad de sonido alta y fiable. Lo uso para teclado. Recomendable, al mismo nivel que otras marcas de más precio.

3.11.2025

A**.

Muy buena calidad.

Este equipo es excelente, la calidad de sus materiales es de 100%. En cuanto a funcionamiento, no existen ruidos raros en mis bocinas y la calidad del audio de mi teclado, que es el que conecto a esta caja, mejoró muchísimo. Recomendada.

28.07.2026

N**G

Great in every way

Great build quality and really sturdy. Also works great in my mix

16.12.2020

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Fantastic experience overall. Will recommend to friends and family.

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