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Power Amplifier

Lab.gruppen PLM 12K44 Touring Amplifier

The Lab.gruppen PLM 12K44 is the apex of touring amplification — 12,000W of total power across four assignable channels, onboard Lake DSP for crossover/EQ/limiting, and Lake mesh-network control so an entire amp room is configured from one laptop at FOH. You see these on stadium tours, festival main stages, and large touring sound rigs where consistent SPL and remote control of dozens of amps is non-negotiable. Pricey — but the gold standard for a reason.

Compare
Lab.gruppenPLM 12K444 CH · READYPLM 12K44LAKE PROCESSING
Documented outputs
44 destination connections
Documented inputs
7Based on documented inputs
Rack space
2UBuilder checks available rail space
Power draw
800W6000W documented maximum
Catalog estimate
~$8,499Use 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

Power Amplifier decisions, organized around the whole rig.

The PLM 12K44 is Lab.gruppen's four-channel, 12,000-watt touring amplifier with onboard Lake DSP processing built directly into the chassis. That last part is what separates it from a powerful-but-dumb amp: every channel carries full crossover, EQ, alignment delay, and limiting that is configured, recalled, and monitored over a Lake mesh network from a single laptop at FOH or system-tech position. You see these filling amp rooms on stadium tours and festival main stages because when you have twenty amplifiers in a rack system, remote control and consistent recall aren't luxuries — they're the only way the show stays manageable.

Documented outputs
44 destination connections
Documented inputs
7Based on documented inputs
Rack space
2UBuilder checks available rail space
Lab.gruppenPLM 12K444 CH · READYPLM 12K44LAKE PROCESSING
Lab.gruppen product panel2U · 800W
Function

How it works in the path

At load-in, plan your power seriously. Idle draw sits around 800 watts, but the catalog lists a 6,000-watt maximum draw, and the unit requires a 32A PowerCON feed — this is not a unit you can daisy-chain off a standard distro leg with other gear. The 482mm depth and 17.6kg weight mean it wants a deep, well-supported rack; four of these in a single case is a real structural and cabling exercise. The dual Lake network ports let you loop the network through the amp room without a separate switch for smaller systems, which is a genuine time-saver at load-in. Analog inputs on all four channels plus two AES inputs give you routing flexibility when your console's output options are constrained.

Best fit

Where it earns its place in the rack

If you're running a large-format touring rig with supported Lake-based loudspeakers — or a system where remote amp monitoring and fault reporting across dozens of channels is operationally necessary — this is the right tool and the price reflects that. If you're building a club install, a theater playback rig, or a compact touring package where you're running two or three amps total and programming them once a season, you're paying for network infrastructure and power headroom you won't use. In those contexts, a capable two-channel or four-channel amp with a standalone Lake processor — or a competing platform altogether — will get you to the same sonic result at a fraction of the cost and weight.

In the rack

Details worth deciding before load-in.

  • Budget a dedicated 32A leg per amplifier in your distro layout before the rig is ever built — retrofitting power at load-in because you underestimated draw is a painful way to start a festival day.
  • Use both Lake network ports to daisy-chain through your amp room rather than running star topology back to a switch; it reduces cable runs and keeps the network tidy when you have a full rack of PLMs.
  • Label your Speakon NL8 output cables by channel at both ends before the tour starts — all four outputs are physically identical on the rear panel and a mis-patched cabinet in a hurried load-in is a real risk.
  • Back up your Lake presets to the laptop and a second location before every tour leg; the amp's onboard DSP is only as reliable as the preset that's loaded, and losing configuration on a festival morning is a show-stopping problem.

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

7 documented inputs

XLR female + aes3 xlr

Arrives as
7 documented inputs
Connector
XLR female + aes3 xlr
Signal
analog audio

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 · Power Amplifier

Use it when 2U and 482 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 female, aes3 xlr, RJ45, powerCON. 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
Lab.gruppenPLM 12K444 CH · READYPLM 12K44LAKE PROCESSING
Rear panel
Lab.gruppenPLM 12K44
All documented ports for Lab.gruppen PLM 12K44 Touring Amplifier
PortPanelConnectorDirectionSignalChannels
Analog In A (XLR)rearXLR female inputanalog audio—
Analog In B (XLR)rearXLR female inputanalog audio—
Analog In C (XLR)rearXLR female inputanalog audio—
Analog In D (XLR)rearXLR female inputanalog audio—
AES In 1rearaes3 xlr inputdigital audio—
AES In 2rearaes3 xlr inputdigital audio—
Lake Network A (RJ45)rearRJ45 bidirectionaldata—
Lake Network B (RJ45)rearRJ45 bidirectionaldata—
Speaker Out A (Speakon NL8)rearXLR female outputanalog audio—
Speaker Out B (Speakon NL8)rearXLR female outputanalog audio—
Speaker Out C (Speakon NL8)rearXLR female outputanalog audio—
Speaker Out D (Speakon NL8)rearXLR female outputanalog audio—
Power (POWERCON 32A)rearpowerCON inputpower—

Showing 13 of 13 documented physical ports. Scroll to review the remaining rows.

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
Lab.gruppen
QSC
Fit📐 2U📐 1U📐 2U
Power⚡ 800W⚡ 700W⚡ 700W
Weight⚖️ 38.8 lb⚖️ 33.1 lb⚖️ 33.1 lb
I/O🔌 13🔌 11🔌 10
Estimate💵 ~$8,499💵 ~$8,999💵 ~$4,499
Deep diveCurrent selectionFull 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 Lab.gruppen PLM 12K44 Touring Amplifier affect rack fit and case depth?

It occupies 2U. Its documented depth is 482 mm.

How much power does the Lab.gruppen PLM 12K44 Touring Amplifier draw?

Typical draw is 800W and documented maximum draw is 6000W.

What connections does the Lab.gruppen PLM 12K44 Touring Amplifier have?

13 documented physical ports, including Analog In A (XLR), Analog In B (XLR), Analog In C (XLR), Analog In D (XLR), AES In 1, AES In 2.

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
PLM 12K44 Touring Amplifier positioned in a rack planA simplified plan shows the unit taking 2 rack units, with its documented connection path continuing to a planned destination.Lab.gruppenPLM 12K44CONNECTED GEARnext signal destination2U · 482 mm deep

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

Crown DCi 4|600N Network Amplifier

Power Amplifier

Crown DCi 4|600N Network Amplifier

2U · 12 ports · ~$2,799
QSC product photo

Power Amplifier

QSC PLD4.5 Touring Amplifier

2U · 10 ports · ~$3,499
Crown XLi 3500 Power Amplifier

Power Amplifier

Crown XLi 3500 Power Amplifier

2U · 5 ports · ~$749

Power Amplifier

Powersoft X4 Touring Amplifier

1U · 11 ports · ~$8,999
Crown I-Tech 12000HD

Power Amplifier

Crown I-Tech 12000HD

2U · 7 ports · ~$4,499
Crown DCi 8|600N Network Amplifier

Power Amplifier

Crown DCi 8|600N Network Amplifier

2U · 20 ports · ~$4,199

Planning guides for power amplifier systems.

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