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L-Acoustic

L-Acoustic LA4X 4-Channel Amplified Controller

$6,999.00

System amplifier (class D) with an output power of 4 x 1,000 W RMS into 4 or 8 ohms, A/D converters and integrated DSP processor. Flexible 4 x 4 matrix with 4 inputs and 4 outputs. Power supply via SMPS (Switched Mode Power Supply) with power factor correction (PFC). Heat dissipation by temperature-controlled fans. SpeakONTM speaker connectors. Ethernet connectors to pass AVB audio and for remote control and monitoring. Analog and digital (AES/EBU) audio inputs with links. Front panel user interface with display. DSP provides IIR and FIR filters, delay adjustments, contour filters, and air absorption compensation filters. Protection against thermal overload and over-excursion. Built-in library with factory presets for all manufacturer's loudspeakers and 10 user memory locations.

Ethernet based control network with up to 1 Gbit/s. Support of digital audio signal transmission via the Milan AVB protocol. "Automatic fallback" options from digital to digital or digital to analog. Design of control networks with up to 253 controller power amplifiers in star, daisy chain or hybrid arrangement. The controller power amplifiers and computers in the network are connected via CAT5e U/FTP or higher, with standard RJ45 connectors. The network management software can be run on both Windows and Mac OS X and is designed to include component load, signal levels, limiter activity, overloads, and fault messages. It is also used to manage presets, as well as to adjust input gain, mute, delay correction and filtering. Possible integration into higher-level media control systems by means of software modules.

View Product Features

  • 4-channel Class D amplifier delivering 4 x 1,000 W RMS into 4 or 8 ohms
  • Integrated DSP processor with IIR and FIR filters, delay, contour, and air absorption compensation
  • Flexible 4x4 matrix routing with analog and digital (AES/EBU) inputs
  • Ethernet connectivity supporting Milan AVB protocol for remote control, monitoring, and digital audio transmission
  • Robust network management with software for presets, signal levels, fault monitoring, and integration into media control systems
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About the L-Acoustic LA4X 4-Channel Amplified Controller

The L-Acoustic LA4X is a premium four-channel amplified controller designed to deliver precise, high-fidelity power and processing for the company's proprietary loudspeaker systems. It represents a key component in the brand's ecosystem, integrating a robust Class D amplifier with advanced, proprietary DSP (Digital Signal Processing) specifically tuned for optimal performance with L-Acoustic cabinets. The unit provides both the necessary amplification and the exact system presets, filters, and alignment corrections required to unlock the full acoustic potential of the connected loudspeakers.

Engineered for reliability in demanding touring and installation environments, each of its four channels can deliver substantial power while remaining stable under complex loads. The integrated DSP includes detailed presets for a wide range of L-Acoustic enclosures, ensuring accurate frequency response, phase alignment, and protection limiting tailored to each specific model. This cohesive integration between amplifier, processing, and transducer is central to achieving the consistent, predictable sonic signature for which the brand is renowned.

Control and monitoring are facilitated through dedicated software, allowing for comprehensive system configuration, remote adjustment, and real-time diagnostics from a central location. The LA4X features both analog and digital audio inputs, including AES3 and a proprietary network audio option, offering flexible system integration. With a focus on sonic purity, thermal management, and networked system control, this amplified controller is built to serve as the reliable, intelligent power foundation for high-end professional audio applications where performance consistency is critical.

Key Features

  • 4-channel Class D amplifier delivering 4 x 1,000 W RMS into 4 or 8 ohms
  • Integrated DSP processor with IIR and FIR filters, delay, contour, and air absorption compensation
  • Flexible 4x4 matrix routing with analog and digital (AES/EBU) inputs
  • Ethernet connectivity supporting Milan AVB protocol for remote control, monitoring, and digital audio transmission
  • Robust network management with software for presets, signal levels, fault monitoring, and integration into media control systems

L-Acoustic LA4X 4-Channel Amplified Controller Specs

Amplifier Specifications
Channels
4
Amplifier Class
Class D
Power Rating
4 x 1350 W @ 4 Ω, 4 x 2250 W @ 2 Ω (specifications per manufacturer's preset conditions)
Frequency Response
20 Hz - 20 kHz, +0/-1 dB
Processing & Connectivity
DSP
Proprietary, with loudspeaker-specific presets
Network Control
Ethernet port for LA Network Manager software
Digital Input
AES3 (AES/EBU) on XLR
Analog Input
Analog on XLR/TRS combo jacks
Output Connectors
Speakon NL4
General
Cooling
Variable-speed fan
Protection
Advanced thermal, short-circuit, and overload
Enclosure
2U rackmount
Dimensions
88 mm x 483 mm x 475 mm (HxWxD)
Weight
Approx. 18 kg

Key Features

  • 4-channel Class D amplifier delivering 4 x 1,000 W RMS into 4 or 8 ohms
  • Integrated DSP processor with IIR and FIR filters, delay, contour, and air absorption compensation
  • Flexible 4x4 matrix routing with analog and digital (AES/EBU) inputs
  • Ethernet connectivity supporting Milan AVB protocol for remote control, monitoring, and digital audio transmission
  • Robust network management with software for presets, signal levels, fault monitoring, and integration into media control systems
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