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STINGER SUB 18 A G3 Active 18" bass-reflex PA subwoofer

Item No.: LDESUB18AG3
Series: STINGER G3
Versions:
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
 

Contents and categories

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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.

Specifications
General
Peak output power
1,600 W
RMS output power
800 W
Amp class
Class D
Max. SPL peak
135 dB
Low frequency limit
35 Hz
Number of inputs
2
Input connector types
Standard speaker connector 4-pole male & speakON®
Number of outputs
2
Output connector types
XLR 3-pole male
Colour
Black
Inputs
Number of line inputs
2
Line-In connector type
Standard speaker connector 4-pole male & speakON®
Line input performance
Input impedance (balanced)
30 kΩ
Outputs
Number of line outputs
2
Line outputs connector type
XLR 3-pole male
Bass driver
Size
18 "
Magnet
Ferrite
Voice coil
4 "
Mains operation
Operation voltage
100 V AC - 240 V AC / 50 - 60 Hz
Power supply type
Switched-mode power supply (SMPS)
Rated power
600 W
Mains connector
Mains socket indoor power in male & powerCON®
Housing
Design
Bass reflex
Number of handles
4
Flange
M20
Chassis material
Birch plywood
Material thickness
18 mm
Front grille material
Aluminium
Environmental
Ambient temperature
0 - 40 °C
Maximum air humidity (non-condensing)
80 %
Dimensions & weight
Width
677 mm
Height
547 mm
Depth
740 mm
Weight
42.6 kg
Other properties
Included accessories
Mains cable
Downloads & links
Stories
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Around GmbH Trusts in LD Systems and Cameo
14. Nov 2025
PRO LAB presents LD Systems highlights
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LD Systems QUESTRA takes control of audio & lighting at The Grand
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Surround Experience
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LD Systems and Cameo breathe new life into the Hull Ice Arena
24. Nov 2025
Immersive Theatre Production with LD Systems CURV 500 at the Sejong Centre in Seoul, Korea
24. Nov 2025
LD Systems and Cameo in Spain’s Cue Club
24. Nov 2025
Club and Concert Hall Combined – LD Systems and Cameo in Spain’s Cue Club
24. Nov 2025
LD Systems® CURV 500® Provides Sound for Soho House
24. Nov 2025
LD Systems' Stinger at the world's most famous cycling race
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