KSL-GSUB subwoofer

Black audio subwoofer with multiple wheels for mobility, featuring ventilation grilles and input/output ports on the sides.Black audio speaker cabinet with a mesh front and side ports, designed for professional sound systems.
Black audio speaker cabinet with a mesh front and side ports, designed for professional sound systems.
Black audio subwoofer with multiple wheels for mobility, featuring ventilation grilles and input/output ports on the sides.

KSL-GSUB subwoofer

Subwoofers

Medium to large format cardioid subwoofer

  • Components 3 x 15”
  • Dispersion Cardioid
  • SPLmax 139 dB
  • Weight 78 kg / 172 lb

Article number Z0786

Where to buy

Product description

The KSL-GSUB is a cardioid subwoofer for the KSL System. It can be used to supplement KSL8 and KSL12 cabinets, either ground stacked (KSL-GSUB) or flown (KSL-SUB).
The KSL-GSUB cabinet is an actively driven, 2-way bass-reflex design housing three long excursion neodymium 15“ drivers. Two drivers face to the front while one driver radiates to the rear of the cabinet. The front and rear facing drivers operate in independent bass reflex chambers and are driven from separate amplifier channels.
The cardioid dispersion pattern reduces unwanted energy behind the system, resulting in less excitation of the reverberant field to deliver highly accurate low frequency reproduction. The frequency response extends from 36 Hz to 105 Hz (33 Hz to 75 Hz in INFRA mode).
The KSL-GSUB cabinet has no rigging components and is intended for ground stack purposes. Two runners extend from the front to the rear to protect the bottom panel. Two correspondingly shaped recesses are incorporated into the top panel which accept the runners and prevent cabinet movement when multiple subwoofers are stacked.
The cabinets are constructed from marine plywood and have an impact and weather protected PCP (Polyurea Cabinet Protection) finish. The front and rear of the cabinets are protected by rigid metal grills.

Amplifiers

The following current d&b amplifiers can be used to drive the loudspeaker:

Mobile


For further information on which heritage d&b amplifiers can be used to drive the loudspeaker, please refer to the current release notes on the amplifier firmware.
System data
Frequency response (-5 dB standard)
36 Hz - 105 Hz
Frequency response (–5 dB INFRA mode)
33 Hz - 75 Hz
Max. sound pressure1 with D40/D80/D90/40D
139 dB
Cabinets per D40/D80/D90/40D
2
Loudspeaker data
Nominal impedance front/rear
4/8 ohms
Power handling capacity front (RMS/peak 10 ms)
900/3500 W
Power handling capacity rear (RMS/peak 10 ms)
500/2000 W
Components
3 x 15" driver
Connections
1 x NLT4 F
Dimensions / weight
Dimensions (h x w x d)
450 x 1000 x 9002 / 1020 mm
17.7 x 39.4 x 35.42 / 40.2"
Weight
78 kg
172 lb

1 1 m, free field, SPL max peak, Broadband signal IEC 60268, one speaker driven
2 dimensions without wheels

Title
Category
File type
Size
Language
Release
 
2D DWG CAD package 1.4
2D CAD drawings
ZIP
388 MB
25.02.2025
2D DWG CAD package Release notes 1.4
2D CAD drawings
PDF
626 KB
English
25.02.2025
3D DWG CAD package release notes 1.5
3D CAD drawings
PDF
346 KB
English
07.05.2026
3D DWG CAD package 1.5
3D CAD drawings
ZIP
252 MB
07.05.2026
KSL System brochure
Brochures
PDF
14.51 MB
English
02.05.2023
KSL-GSUB Datasheet 1.1
Datasheets
PDF
2.29 MB
English
29.01.2020
Architectural specifications KSLi-GSUB
Loudspeakers
TXT
1.82 KB
English
30.09.2020
Architectural specifications KSL-GSUB
Loudspeakers
TXT
1.66 KB
English
30.05.2020
Architectural specifications SL-Series
Loudspeakers
ZIP
14.25 KB
English
07.10.2019
KSL-SUB/KSL-GSUB Manuale d'uso 1.5 it
Manuals
PDF
1.36 MB
Italiano
22.09.2026
KSL-SUB/KSL-GSUB Manual 1.5 en
Manuals
PDF
1.35 MB
English
04.09.2026
GSL/KSL Rigging manual 1.16
Manuals
PDF
23 MB
English
09.06.2026
Z5731 Rigging manual 1.1
Manuals
PDF
3.61 MB
English
31.01.2021
d&b Revit Families - SL-Series 1.4
Revit files/BIM
ZIP
89 MB
29.08.2025
d&b Revit Families - SL-Series - Release notes 1.4
Revit files/BIM
PDF
1.33 MB
English
29.08.2025
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d&b applications

Mobile application or fixed installation? Indoors or outdoors? Large or small? d&b provides tailored-made solutions for each and every requirement. What is more, the dedicated simulation software optimizes the planning of the system installation.
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