SP-218S SP-118S SP-118SL SP-215S SP-115S SP-4733N
SP-253N SP-212 SP-1563P SP-4730N SP-4730H SP-153H
SP-152H SP-152L SP-122H SP-122 SP-112 SP-115M
SP-112M SP-620CW SP-810CW SPM-155H SPM-152H SPM-122
SP-810CM SP-605CM SP-605CMT      
  Front View / Rear View
  Manual / Dimensions

The 118SL is a compact, one 18” subwoofer in a bass reflex rectangular Enclosure.
One SK18600S woofers supplement and extend the low frequency output of full-range systems in a variety of portable and fixed applications.

  • Dedicated subwoofer system.
  • The enclosure construction: “STK Standard”
  • Ultra tough, the scratch proof warnex texture coated
  • Two side handles one on each side for easy repositioning.
  • Impact-resistant perforated metal grill(1.5mm)with weather proof powder coated.
  • 35mm pole mount receptable on the top.
  • “SCP” STK caster, “SPM” STK pole option.
Model SP-118SL
System configuration Dedicated Subwoofer
Components & Loading One SK18600S 18”, Bass-reflex
Operating Mode Passive
Enclosure material Plywood with MDF
Enclosure Finish Black warnex texture coated
Connectors Two neutrick speakon
Grille Powder coated perforated steel
Optional accessories 1. STK caster "SCP80" or "SCP100"
2. STK pole "SPM35130"
( ±0.13 inch / ±3 mm)
Height: 640
Front width: 568
Depth: 595
Shipping/CBM 0.3188
Net weight  
Shipping weight 43.88 kg
Frequency Response  
±3 dB 30Hz ~ 200Hz
-10 dB 35Hz ~ 300Hz
Recommended High-Pass Frequency 30Hz
Axial Sensitivity(dB SPL, 1 watt @ 1m) 100
Nominal Input Impedance(ohms) 4
Power Handling(Watts, Continuius) 600
Power Handling(Watts,Program/ Peak) 1200/2400
Max Calculated SPL (Referenced to 1 m)  
Peak 134
Long Term 128
Suggested System A STK SP-1812AP
Suggested System B STK V-9,V-6(Bridge Mode)
*Specifications subject to change without notice.
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