The 115S is a very compact, one 15” subwoofer in a bass refelx rectangluar enclosure. One SK15400 transducers supplement and extend low frequency output of full-range systems in a variety of partable 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 with weather proof powder coated. 35mm pole mount receptable on the top. “SCP ” STK caster, “SPM” STK pole option.

SPECIFICATIONS

Model SP-115S PHYSICAL SPECIFICATION System configuration Dedicated Subwoofer Components & Loading One SK15400 One 15" Bass-reflex Operating Mode Passive Enclosure material Muilt-plywood,MDF Enclosure Finish Black warnex texture coated Connectors Two neutrik speakon Grille Powder coated perforated steel Optional accessories 1. STK caster "scp80" or "scp 100" 2. STK pole "SPM35130" 　 Demensions ( ±0.13 inch / ±3 mm) Height 526 Front width 476 　 　 Depth 595 Shipping/CBM 0.2166 Net weight 29 kg Shipping weight 30 kg TECHNICAL SPECIFICATION Frequency Response 　 ±3 dB 53Hz ~ 350Hz -10 dB 45Hz ~ 350Hz Recommended High-Pass Frequency 50Hz Axial Sensitivity (dB SPL, 1 watt @ 1m) 99 Nominal Input Impedance(ohms) 4 Power Handling (Watts, Continuius) 400 Power Handling (Watts, Peak) 800 Calculated SPL Limit(Referenced to 1 m) Peak 128.0 Long Term 121.0 Suggested System A STK SP 158AP Suggested System B STK V-9