RCF HDL 18-AS Active Flyable High Power Subwoofer

The HDL18-AS is a compact, flyable high power subwoofer, designed to integrate seemlessly into a HDL 20-A flown array.

The bass reflex design guarantees a deep, linear power response while the 4" voice coil vented design woofer offers the minimum of power compression. The system provides integrated mechanics compatible with the HDL 20-A array module.


RCF HDL 18-AS Active Flyable High Power Subwoofer

  • 2000 Watt Peak power - 1000 Watt RMS
  • 135 dB max SPL
  • 30 Hz - 140 Hz frequency response
  • 1 x 18" Woofer
  • DSP controlled Input section with selectable presets
  • Tour grade safe and solid variable mechanics, compatible with HDL 20-A
  • Designed to compliment the HDL 20-A speaker system
  • Baltic birch tour grade cabinet


  • Live sound
  • Rental
  • Portable PA, clubs, ballrooms, live theatre
  • House of worship
  • Theme parks
  • Music playback and sound reinforcement in small and mid-size venues
  • A/V presentation


RCF HDL18-AS Detail

RCF HDL18-AS Speaker Detail

RCF HDL18-AS Bottom

Acoustical Specifications
Frequency Response -3 dB: 30 Hz ÷ 140 Hz
Max SPL : 135 dB
Woofer: 18", 4.0" v.c.
Input/Output Section 
Input signal:  bal/unbal
Input connectors:  XLR
Output connectors:  XLR
Input sensitivity: -2 dBu / +4 dBu
Processor Section 
Protections: thermal, RMS
Limiter:  Soft limiter
Controls: Volume, EQ shape, Xover
Amplifier Specifications
Total power: 2000 W PEAK
Low frequencies: 2000 W PEAK
Total power: 1000 W RMS
Low frequencies: 1000 W RMS
Connections:  Powercon in/out
Cooling: Convection/forced
Cabinet Material:  Baltic Birch
Hardware:  Rigging flyware, M20 insert
Handles:  2 side
Colour:   Black
Physical Specifications
Height: 511.5mm
Width:  700mm
Depth:  620mm
Net Weight:  48.4kg

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