The L-Acoustics LA4X is a powerful four-channel amplified controller designed to deliver optimal performance and protection for L-Acoustics loudspeaker systems. With a built-in DSP engine, the LA4X offers precise system tuning, real-time monitoring, and seamless integration into networked environments. Each of its four channels provides 1000 watts of output at 4 ohms, ensuring clean, consistent power across all connected enclosures.
Its advanced amplification technology combines class-D efficiency with exceptional audio quality, maximizing headroom and clarity even in demanding applications. The LA4X supports analog, AES/EBU, and AVB inputs, offering flexibility for modern and legacy audio setups alike. Designed for touring and installation, it features a rugged 2U chassis, intuitive front-panel controls, and comprehensive remote control via LA Network Manager. Built-in protection protocols safeguard both the amplifier and connected speakers, extending system life and reliability.
Engineered to the highest standards, the LA4X is a cornerstone of the L-Acoustics ecosystem—trusted by professionals worldwide for its performance, precision, and dependability.
Additional information
| Amplification class | Class D |
|---|---|
| Output power, all channels loaded | 4 x 1000 W at 4 ohms 4 x 1000 W at 8 ohms |
| Power supply model | Universal Switched Mode Power Supply (SMPS) with Power Factor Correction (PFC) |
| Mains rating | 100 V - 240 V ±10%, 50-60 Hz |
| Digital Signal Processor (DSP) | SHARC 32-bit, floating point, 96 kHz sampling rate |
| I/O routing | Flexible 4x4 routing matrix |
| Per output channel | Built-in EQ station with 8 IIR, 4 FIR linear phase EQ filters Array morphing, Air absorption compensation filters Internal IIR and FIR EQ algorithms L-DRIVE advanced system protection Output delay from 0 to 1000 ms |
| Loudspeaker Management | L-DRIVE advanced system protection |
| standard latency (analog/digital inputs) | 3.84 ms |
| low latency (analog/digital inputs) | 0.84 ms |
| Milan-AVB | 4 channels from 1 stream (of up to 8 channels) |
| AES/EBU | 4 channels AES/EBU (2 x AES3) with SRC |
| analog | 4 channels |
| connections | 2 etherCON 1 Gb/s I/O+ control 4 female 3-pin XLR (2 x switching analog/AES3) 4 male 3-pin XLR links |
| loudspeaker connections | 4 x SpeakON |
| Mains and power supply | Over and under voltage / over temperature / overcurrent |
| Power outputs | Overcurrent / short circuit / over temperature |
| display/indicators | LCD and LED's |
| navigation | Rotary encoder, power and mute keys |
| L-Acoustics remote control software | LA Network Manager |
| Third-party management solutions | Q-SYS® / Crestron® / Control4® / Savant®/ SNMP / Extron® |
| Temperature | 0º C / 32º F to +50º C / 122º F |
| Height | 2U |
| Weight | 24.9 lb |
