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L-Acoustics LA4X Amplified Controller

L-Acoustics LA4X Amplified Controller

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Details

Description

The LA4X is a four-input, four-output amplified controller designed for rental applications where efficient, flexible amplification and integrated loudspeaker protection are required. Currently only located on the west coast. Packaged in a 2U chassis, the unit combines high-efficiency Class D amplification with onboard DSP and L-DRIVE speaker protection to simplify system setup and reduce equipment footprint.

Key Features

  • 4x4 amplified controller, allowing parallel-driven passive loudspeakers or dedicated outputs for multiple enclosures.
  • High-efficiency Class D amplification delivering 1000 W total output with low distortion and consistent frequency response.
  • Integrated DSP and L-DRIVE protection for loudspeaker optimization and reliable operation during rentals.
  • Flexible inputs: analog XLR and AES/EBU (shared channels), plus AVB/Milan network input supporting up to 8 channels from one stream at 48 or 96 kHz.
  • Network-ready with dual-port Gigabit Ethernet etherCON for AVB/Milan audio networking and remote control.
  • Practical I/O: four 4-point speakON loudspeaker outputs, active XLR link outputs and bypass relay on AES/EBU, ensuring easy integration on site.

Use Cases

  • Medium-sized live sound rigs requiring efficient rack-mounted amplification with built-in DSP and networked audio.
  • Installed or touring systems where reduced rack space and speaker protection are priorities.
  • Events using a mix of passive and self-powered enclosures that benefit from flexible input routing and parallel speaker driving.

Specifications

  • Output power (all channels loaded): 1000 W
  • Frequency response (20 Hz - 20 kHz, 8 Ω, 60 W): ±0.25 dB
  • THD+N (20 Hz - 20 kHz, 8 Ω, 60 W): < 0.05%
  • Output dynamic range: > 110 dB (A-weighted, digital input)
  • Noise level: < -70 dBV (A-weighted, digital input)
  • Inputs: Analog XLR, AES/EBU XLR (shared with analog A & C), AVB 4-channel input from up to 8-channel stream
  • Network: Dual-port Gigabit Ethernet etherCON (Milan-AVB capable)
  • Form factor: 2U rack chassis

Included with your rental

  • LA4X Amplified Controller unit.
  • Standard power cable and rack ears. Speaker and network cables are available on request.
  • Basic setup notes and access to onboard routing/DSP presets; advanced configuration assistance available if required.

If you need additional cabling, network switches, or on-site support, please request these when booking. Note that inventory is currently limited to the west coast location.

We strive to provide impeccably maintained rental equipment for the entertainment industry that is prepped and ready for your event. Our experienced staff stands ready to help you with your lighting, video, rigging & production needs. Rental inventory availability may vary based on date and 4Wall location. In cases where your preferred item is unavailable, we'll do our best to suggest a suitable replacement.

Downloads
Features
  • Network Connection: Dual-port Ethernet Gigabit interface etherCON
  • AVB input: 4 channels 48kHz / 96 kHz from 1 stream of up to 8 channels
  • AES/EBU XLR inputs (shared with analog A & C): 4 channels (2 x AES/EBU, 44.1 - 192 kHz sampling rate) With active XLR link outputs and bypass relay
  • Analog XLR inputs (shared with AES/EBU A & C): 4 channels with XLR link outputs
  • Loudspeaker outputs: 4 x 4-point speakON
  • Output power, all channels loaded: 1000W
  • Amplification Class: High efficiency class D
  • Frequency response (20 Hz - 20 kHz, 8 Ω load, 60 W output power): ± 0.25 dB
  • Distortion THD+N (20 Hz - 20 kHz, 8 Ω load, 60 W output power): < 0.05%
  • Output dynamic range (20 Hz - 20 kHz, 8 Ω, A-weigthed, Digital input): > 110 dB
  • Noise level (20 Hz - 20 kHz, 8 Ω, A-weigthed, Digital input): < - 70 dBV
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