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Wireless Mic

Shure SLXD4D Dual Wireless Mic Receiver

The Shure SLXD4D puts two SLX-D receivers in a single full-rack unit, providing an efficient and cost-effective way to deploy two wireless mic channels. The digital audio quality and RF performance punch above the price class, making it popular for corporate events, worship, and smaller touring acts. Shared antenna connections between the two channels simplify your antenna distribution setup.

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Photos

Manufacturer product photography — the drawn faceplate stays true to panel layout; these show the hardware itself.

Photo: Shure1 / 3
Documented outputs
44 destination connections
Documented inputs
3Based on documented inputs
Rack space
1UBuilder checks available rail space
Power draw
12W15W documented maximum
Catalog estimate
~$899Use retailer rows for current price and stock

01 · What it does—and what that changes in your rig.

Product overview

Start with the payoff, then work through how it functions, where it fits, and the details that change a real build.

The payoff

Wireless Mic decisions, organized around the whole rig.

The SLXD4D is Shure's answer to a very common rack-math problem: you need two wireless mic channels, you have one rack unit, and you don't want to spend touring-system money to get there. It fits the G58 band (470–514 MHz), sits in a full 1U chassis, and ships with both XLR and quarter-inch outputs for each channel — so it will talk to a console's mic input or a direct instrument channel without an adapter conversation at load-in. At $899 for two channels in one unit, it occupies a price tier that makes sense for corporate work, worship installs, and club-level touring.

Documented outputs
44 destination connections
Documented inputs
3Based on documented inputs
Rack space
1UBuilder checks available rail space
Shure SLXD4D Dual Wireless Mic Receiver — rear panel with antenna connectors, XLR outputs and network port
Photo: Shure1U · 12W
Function

How it works in the path

The shared BNC antenna inputs are the most practically important detail on this unit. Both receivers pull from the same Antenna A and Antenna B connections, which means a single run of coax to your active antenna distribution feeds both channels simultaneously — you're not running four cables to the back of the rack to cover two mics. At 12 watts nominal draw and a shallow 190mm depth, it won't bully a tight rack for space or power budget. The digital RF architecture gives you a fixed 24-bit signal path and predictable, hard-set latency, which matters if your vocalist is also on IEM and you're managing total system delay.

Best fit

Where it earns its place in the rack

This receiver belongs in rigs where two channels covers the need and the budget is real but not unlimited — a pastor and a worship leader, a presenter and a handheld, a duo act with two vocals. If you're regularly running six or more channels, look at purpose-built multichannel frames like the Shure AD4D or an Axient rack, where antenna distribution and frequency coordination scale more gracefully. The SLXD4D doesn't have dante or AES digital outputs, so if your console workflow depends on networked audio, this isn't your unit. But for analog-in consoles and straightforward two-mic deployments, it's a clean, reliable choice.

Shure SLXD4D Dual Wireless Mic Receiver — three-quarter view with antennas
Shure SLXD4D Dual Wireless Mic Receiver — three-quarter view with antennasPhoto: Shure
In the rack

Details worth deciding before load-in.

  • Both channels share the two BNC antenna inputs, so plug your distribution amplifier outputs into Antenna A and B once — you're done for both channels, not twice.
  • Label your XLR outputs at the rear before the unit goes in the rack. Channel 1 and Channel 2 look identical on the back panel; a piece of colored tape saves a frantic re-patch at soundcheck.
  • At 190mm deep, it's shallow enough to live behind a stagebox or a Dante interface in a half-depth touring rack — just confirm your rack ears can mount it at the right position to clear whatever's behind it.
  • If you're running multiple SLXD4D units in the same rig, use the front-panel frequency coordination tools before load-in and assign channels to non-adjacent frequency blocks to reduce intermodulation risk in dense RF environments.

02 · Know the whole path before you buy.

Signal path

Learn the route as a block diagram: source, product function, transport, and destination. Select any block to see what enters, what changes, and what leaves.

Interactive block diagramAuto-looping · hover, focus, or tap to hold a stage
Port-type signalProduct functionSystem boundary
Follow one signal from source to destination

Each block answers the same three questions: what arrives, what changes here, and what leaves.

01 · Source · selected
01 · Source

3 documented inputs

bnc + dc barrel

Arrives as
3 documented inputs
Connector
bnc + dc barrel
Signal
antenna

03 · What this product asks of the rest of the system.

Compatibility

Treat connector names as the start of the check—not the answer. These are the boundaries that determine a complete working path.

Best fit · Wireless Mic

Use it when 1U and 152 mm of depth fit the case.

Plan the companion path

Complete the path with upstream and downstream gear that matches connector, direction, signal type, protocol, and wiring standard.

Connector boundary

Documented connectors: XLR male, ¼-inch TRS, bnc, RJ45. Match connector, direction, and signal type—not shape alone.

04 · Every connector, grouped by job.

I/O ports

Switch the product view and the documented port inventory updates with it—hardware and data stay side by side.

Every connector, grouped by job.

Switch panels to keep the hardware view and the documented port list in sync.

Front panel
SHURESLXD4D+G58 470-514 MHz1Shure18:552Shure28:55push –
Rear panel
antenna B-+powernetworkoutput 2inst / auxoutput 1inst / auxantenna A
All documented ports for Shure SLXD4D Dual Wireless Mic Receiver
PortPanelConnectorDirectionSignalChannels
XLR Out 1rearXLR male outputanalog audio—
XLR Out 2rearXLR male outputanalog audio—
1/4" Out 1rear¼-inch TRS outputanalog audio—
1/4" Out 2rear¼-inch TRS outputanalog audio—
Antenna Arearbnc inputantenna—
Antenna Brearbnc inputantenna—
Network (RJ45)rearRJ45 bidirectionaldata—
Power (15V DC)reardc barrel inputpower—

Showing 8 of 8 documented physical ports.

05 · Compare the decision, not just the price.

Alternatives

The rows are organized around fit, power, I/O, and system role so a cheaper unit cannot hide a more expensive workflow.

Compare
Shure SLXD4D Dual Wireless Mic Receiver — front panel
Shure QLXD4 Single Digital Wireless Receiver — front panel
Shure SLXD4 Wireless Mic Receiver — front panel
Shure ULXD4 Wireless Mic Receiver — front panel
Fit📐 1U📐 1U · half-rack📐 1U · half-rack📐 1U · half-rack
Power⚡ 12W⚡ 10W⚡ 8W⚡ 12W
Weight⚖️ 3.2 lb⚖️ 1.7 lb⚖️ 1.5 lb⚖️ 2.2 lb
I/O🔌 8🔌 6🔌 6🔌 6
Estimate💵 ~$899💵 ~$747💵 ~$499💵 ~$1,199
Deep diveCurrent selectionFull comparison →Full comparison →Full comparison →

06 · Resolve the questions that can change the purchase or build plan.

Planning questions

Short, source-backed answers surface rack fit, power, cabling, and connection details before they become surprises.

How will the Shure SLXD4D Dual Wireless Mic Receiver affect rack fit and case depth?

It occupies 1U. Its documented depth is 152 mm.

How much power does the Shure SLXD4D Dual Wireless Mic Receiver draw?

Typical draw is 12W and documented maximum draw is 15W.

What connections does the Shure SLXD4D Dual Wireless Mic Receiver have?

8 documented physical ports, including XLR Out 1, XLR Out 2, 1/4" Out 1, 1/4" Out 2, Antenna A, Antenna B.

07 · See this unit inside a real rack plan.

Builder preview

Placement is only the start. Builder checks space · depth · weight, power headroom, dependencies, and compatible signal paths around this exact catalog item.Open in Builder
SLXD4D Dual Wireless Mic Receiver positioned in a rack planA simplified plan shows the unit taking 1 rack units, with its documented connection path continuing to a planned destination.ShureSLXD4DCONNECTED GEARnext signal destination1U · 152 mm deep

08 · Related gear, in the order you may need it.

Planning guides for wireless mic systems.