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Active 18" bass-reflex PA subwoofer


Item No.: LDESUB18AG3


  • Active 18” bass reflex PA subwoofer
  • High-efficiency 800 watts RMS digital power stage and 135 dB max. SPL
  • 18” custom design woofer for extended low end down to 35 Hz
  • DynX® DSP technology for distortion-free performance
  • 80, 100 and 120 Hz low pass presets
  • Cardioid subwoofer array presets
  • Horizontal or vertical placement
  • 18 mm birch ply cabinet with ultra rugged polyurea finish
  • Ergonomic handles and stacking recesses for easy transport and setup
  • Shock-resistant front grill provides maximum speaker protection
  • Insert for M20 threaded poles
  • Smart transport accessories
  • Description

    Engineered for rock-solid reliability day in, day out this active subwoofer is a truly professional performer. With built-in presets for quick system integration and a variety of cardioid array configurations it is completely user-friendly. The Stinger® SUB 18 A G3 is powered by high efficiency Class D amplification with a giant 800 watts RMS output. It drives a custom designed 18” woofer delivering a huge bottom end with terrific punch and excellent definition.


    The Stinger® SUB 18 A G3 incorporates LD Systems’ proprietary DynX® DSP technology to ensure top-level performance and pristine, distortion-free bass reproduction at all times. Designed to be a real workhorse throughout, the well-braced bass reflex enclosure is constructed for horizontal and vertical orientation. It is made of rigid 18 mm birch ply and coated with ultra tough polyurea for extraordinary strength and durability. Sporting a steel front grille, M20 threaded pole insert, stacking recesses and ergonomic handles the Stinger® 18 A G3 is an attractively priced choice for truly professional sound reinforcement. A large selection of accessories facilitate live and installed applications.

  • Specification

    Product type PA subwoofer
    Type active
    Low/mid driver dimensions 18 "
    Woofer size 457.2 mm
    Woofer magnet Ferrite
    Woofer brand Custom-made
    Woofer voice coil 4 "
    Woofer voice coil (mm) 101.6 mm
    Amplifier Class D
    RMS 800 W
    Peak power 1600 W
    Frequency response 35 - Low-Pass Hz
    Max. SPL (peak) 135 dB
    Protection circuits DC , limiter , over voltage , short circuit
    Input impedance 30000 Ohm(s)
    Input sensitivity 0.3 V
    Controls Main level , Mode
    Indicators Limit , Mode , On , Protect (protection circuit engaged) , Signal
    Line inputs 2
    Line input connectors 6.3 mm jack , XLR
    Line outputs 2
    Line output connectors XLR
    Operating voltage 100 - 120 V / 50 - 60 Hz or 200 - 240 V / 50 - 60 Hz (automatic switching) , SMPS
    Power Consumption (max.) 600 W
    Operating Temperature 0 - 40 °C
    Relative Humidity < 80% (non-condensing)
    Cabinet material 18 mm Plywood
    Cabinet surface Polyurea
    Cabinet construction vented
    Width 677 mm
    Height 547 mm
    Depth 740 mm
    Weight 42,6 kg
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