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Wireless Mic

Shure SLXD4Q Quad Receiver

The Shure SLXD4Q packs four channels of SLX-D digital wireless into one rack space with internal antenna distribution, making it the value path to a four-mic rack without a distro. Guided frequency setup and rechargeable-friendly workflow carry the SLX-D pitch into density. The step below ULXD4Q at less than half the price.

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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
20W28W documented maximum
Catalog estimate
~$2,639Use 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 SLXD4Q is Shure's answer to a recurring real-world question: how do you get four channels of digital wireless into one rack space without spending ULXD money or wiring up a separate antenna distribution box? The unit runs four independent SLX-D digital receivers in a single 1U chassis with internal antenna distribution built in — two BNC inputs feed all four channels, so you walk in with two antenna runs and walk out with four mic lines. At $2,639 it sits well below the ULXD4Q in cost while sharing the same SLX-D digital platform, making it the density play for mid-tier production budgets.

Documented outputs
44 destination connections
Documented inputs
3Based on documented inputs
Rack space
1UBuilder checks available rail space
Shure SLXD4Q Quad Receiver — rear panel with antenna connectors, four XLR outputs and network port
Photo: Shure1U · 20W
Function

How it works in the path

Twenty watts nominal draw, 28 at max — that's light, and at 2.5 kg it won't upset a road case's balance. The 240 mm depth is standard enough to fit most standard rack drawers without shimming. Four XLR male outputs go directly to console inputs or a stagebox; no breakout cables, no sub-snakes, just four balanced lines. The internal antenna distro means one good pair of active paddles covers the full quad without a passive splitter eating headroom. What it doesn't give you is the deeper RF toolset — no Wireless Workbench network control, no dante, no per-channel output trim over network — so what you see on the front panel is largely what you get.

Best fit

Where it earns its place in the rack

This receiver belongs in a corporate AV rig, a house-of-worship install, a touring support act, or any situation where four channels of reliable digital wireless need to live in one rack unit and the budget isn't ULXD. If you're running eight or more channels and need centralized RF coordination and network monitoring, step up to the ULXD ecosystem. If you only need one or two channels, the single-channel SLXD4 makes more sense. But for exactly four channels on a controlled budget, the SLXD4Q earns its space cleanly.

Shure SLXD4Q Quad Receiver — three-quarter view
Shure SLXD4Q Quad Receiver — three-quarter viewPhoto: Shure
In the rack

Details worth deciding before load-in.

  • Run your two antenna feeds from a pair of active directional paddles positioned at ear level at the front of the stage — the internal distro does the splitting from there, so invest in good antenna placement rather than more hardware.
  • Map all four XLR outputs to consecutive channels on your stagebox or console patch before doors; labeling them at the receiver end and the console end saves the inevitable channel-hunt at soundcheck.
  • Because the SLX-D system uses guided frequency setup, do your frequency coordination and sync with transmitters while the room is quiet — the system will find clean slots, but it works best before RF environment gets crowded with other vendors' gear.
  • At 1U and 20W nominal, this unit stacks efficiently — if you're building a dual-quad wireless rack, two SLXD4Qs draw under 60W combined and leave you room above for a power conditioner with a meter you can actually read from the stage.

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 + IEC C14

Arrives as
3 documented inputs
Connector
bnc + IEC C14
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 240 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: bnc, XLR male, IEC C14. 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
SHURESLXD4Q+G58 470-514 MHz1Shure18:552Shure28:55push –3Shure38:554Shure48:55push –
Rear panel
ShureSLXD4Q
All documented ports for Shure SLXD4Q Quad Receiver
PortPanelConnectorDirectionSignalChannels
Antenna Arearbnc inputantenna—
Antenna Brearbnc inputantenna—
Ch 1 XLR OutrearXLR male outputanalog audio—
Ch 2 XLR OutrearXLR male outputanalog audio—
Ch 3 XLR OutrearXLR male outputanalog audio—
Ch 4 XLR OutrearXLR male outputanalog audio—
PowerrearIEC C14 inputpower—

Showing 7 of 7 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 SLXD4Q Quad 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⚡ 20W⚡ 10W⚡ 8W⚡ 12W
Weight⚖️ 5.5 lb⚖️ 1.7 lb⚖️ 1.5 lb⚖️ 2.2 lb
I/O🔌 7🔌 6🔌 6🔌 6
Estimate💵 ~$2,639💵 ~$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 SLXD4Q Quad Receiver affect rack fit and case depth?

It occupies 1U. Its documented depth is 240 mm.

How much power does the Shure SLXD4Q Quad Receiver draw?

Typical draw is 20W and documented maximum draw is 28W.

What connections does the Shure SLXD4Q Quad Receiver have?

7 documented physical ports, including Antenna A, Antenna B, Ch 1 XLR Out, Ch 2 XLR Out, Ch 3 XLR Out, Ch 4 XLR Out.

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
SLXD4Q Quad 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.ShureSLXD4QCONNECTED GEARnext signal destination1U · 240 mm deep

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

Planning guides for wireless mic systems.