Experience unparalleled audio performance with the RCF HDL 50-A 4K, an active three-way line array module designed for large-scale events. With 8000 Watts of power, advanced DSP processing, and RDNet integration, this compact and lightweight module delivers exceptional sound quality and coverage, making it ideal for professional audio setups.
Read More Read Less
The RCF HDL 50-A 4K is a powerhouse active three-way line array module designed for large-scale events, both indoors and outdoors. Boasting an impressive 8000 Watts of power delivered by four onboard amplifiers, this module ensures exceptional sound quality and coverage.
With a maximum SPL of 143 dB, it stands as one of the most capable line array systems in its class. Equipped with advanced features such as RDNet networked management and monitoring, 48 kHz, 32-bit DSP processing, and a robust construction, the HDL 50-A 4K delivers unparalleled performance for professional audio applications.


  • Power: 8000 Watts (PEAK), 4000 Watts (RMS)
  • Amplifiers: 4 onboard Class-D amplifiers
  • Max SPL: 143 dB
  • DSP Processing: 48 kHz, 32 bit
  • Transducers:
    • Low Frequencies: 2 x 12” neodymium woofers
    • Mid Frequencies: 4 x 6″ neodymium woofer midrange
    • High Frequencies: 2 x 3” titanium dome neodymium compression drivers
  • Coverage: 90 x 10 degrees
  • Construction: Rigid plywood and polypropylene side panels
  • Connectivity: RDNet networked management and monitoring
  • Rigging: Integrated rigging hardware for fast and reconfigurable setup
  • Dimensions (H x W x D): [Insert dimensions]
  • Weight: [Insert weight]

With its innovative design, powerful amplification, and versatile rigging options, the RCF HDL 50-A 4K sets a new standard for line array systems, delivering unmatched performance and reliability for even the most demanding audio environments.