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RCF HDL 50-A Active 3-Way Line Array Module 4400 Watts

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Product Description

RCF HDL 50-A Active 3-Way Line Array Module 4400 Watts

The HDL 50-A is a true active high power speaker system ready to use touring system for large events, indoors and outdoors. Equipped with 2x12” woofers, 4x symmetrical 6.5” midranges and two 2” drivers, it offers excellent playback quality and high sound pressure levels with a built in 2200W RMS powerful digital amplifier that delivers superior SPL, while reducing energy requirement. Using advanced neodymium magnets and a groundbreaking new housing constructed from lightweight plywood and polypropylene, it has a remarkably low weight for easy handling and flying. The HDL 53-AS is the ideal flyable bass complement for the HDL 50-A array system.

  • 4400 Watt, 3 way amplification
  • 140 dB max SPL
  • 8 x high power neodymium transducers
  • 48 kHz, 32 bit DSP processing
  • RDNet on board
  • Remote monitoring and control
  • Symmetrical design
  • Extremely low weight


RCF speakers are designed using a proprietary and advanced FiR filtering technology, conceived to deliver transparent sound, absolute clarity and perfect stereo images to the listener.

The special FiRPHASE filters allow to achieve coherent distribution of sound for all listeners without phase distortions, ensuring minimum latencies to the system.


The symmetrical design of the cabinet produces identical left and right coverage. The component positioning and special DSP crossover filtering of the HDL 50-A take care of the constant directivity without spots of break up or attenuation. The originally designed V-SHAPED front baffle provides:

  • Coplanar midranges and woofers
  • Controlled LF dispersion
  • Central space to host the HF guide


The custom 4PATH designed waveguide allows a precise coverage of 90 x 10 degrees, while also delivering a superb, linear high frequency response. The unique shape of the four ducts forming the guide create an ideal isophasic load from 800 Hz to the highest audible frequencies.


HIGH FREQUENCIES - The two ND 840 large format compression driver deliver one of the key advantages of the HDL 50-A: the 3.0” voice coil allows a crossover point of 800 Hz and therefore this driver can produce almost all of the vocal range. This allows better coverage and superior efficiency.

MID FREQUENCIES - 4 x 2.0” voice coil 6.0”neo midranges - Water resistant fiber doped cone - Polycotton M-roll surround - High power magnetic structure

LOW FREQUENCIES - 2 X 3.0”voice coil neodymium 12” woofers - Water resistant fiber doped cone - Polycotton M-roll surround - Hypervented magnetic structure


RDNet is a robust management network and control platform for small, medium and large arena-sized sound systems, as well as complex and extended installations. Based on a proprietary network protocol, RDNet provides intuitive control and monitoring of every connected device/object in the RCF audio system. Each device has DSP to address specific presets or modifications of parameters to single or groups of objects. A network user can change level, delay, EQ (linear phase FiR as well) and other settings, including advanced subwoofer configurations. RDNet is not only designed for loudspeakers—you can control parameters and routing of multiple RCF devices, such as digital matrixes or amplifiers.

Acoustical specifications

  • Frequency Response: 40 Hz ÷ 20000 Hz
  • Max SPL @ 1m: 140 dB
  • Horizontal coverage angle: 90°
  • Vertical coverage angle: 10°


  • Compression Driver: 2 x 1.4'' neo, 3.0'' v.c
  • Midrange: 4 x 6.0'' neo, 2.0'' v.c
  • Woofer: 2 x 12'' neo, 3.0'' v.c

Input/Output section

  • Input signal: bal/unbal
  • Input connectors: XLR, RDNet Ethercon
  • Output connectors: XLR, RDNet Ethercon
  • Input sensitivity: +4 dBu

Processor section

  • Crossover frequencies: 200 Hz - 800 Hz
  • Protections: Thermal, RMS
  • Limiter: Soft Limiter
  • Controls: Cluster size, HF correction, RDNET

Power section

  • Total Power: 4400 W Peak, 2200 W RMS
  • High frequencies: 1100 W Peak, 550 W RMS
  • Mid frequencies: 1100 W Peak, 550 W RMS
  • Low frequencies: 2200 W Peak, 1100 W RMS
  • Cooling: Convection
  • Connections: Powercon IN/OUT

Standard compliance

  • CE marking: Yes

Physical specifications

  • Cabinet/Case Material: Baltic birch plywood
  • Hardware: Integrated Mechanics
  • Handles: 2 side, 2 rear
  • Grille: Steel
  • Color: Black


  • Height: 366 mm / 14.41 inches
  • Width: 1171 mm / 46.1 inches
  • Depth: 502 mm / 19.76 inches
  • Weight: 56 kg / 123.46 lbs

Shipping information

  • Package Height: 400 mm / 15.75 inches
  • Package Width: 1200 mm / 47.24 inches
  • Package Depth: 600 mm / 23.62 inches
  • Package Weight: 60 kg / 132.28 lbs