| Model  | 
                            SP-115S | 
                          
                          
                            | PHYSICAL SPECIFICATION | 
                              | 
                          
                          
                            | System configuration | 
                            Dedicated Subwoofer | 
                          
                          
                            | Components & Loading | 
                            One SK15500 One 15" 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" | 
                          
                          
                            Demensions 
                              ( ¡¾0.13 inch / ¡¾3 mm) | 
                            Height: 540  
                              Front width: 476  
                              Depth: 595  | 
                          
                          
                            | Shipping/CBM | 
                            0.26 | 
                          
                          
                            | Net weight | 
                              | 
                          
                          
                            | Shipping weight | 
                            34 kg  | 
                          
                          
                            | TECHNICAL SPECIFICATION  | 
                              | 
                          
                          
                            | Frequency Response | 
                              | 
                          
                          
                            | ¡¾3 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) | 
                            500 | 
                          
                          
                            | Power Handling(Watts,Program/ Peak) | 
                            1000/2000 | 
                          
                          
                            | Max Calculated SPL (Referenced to 1 m) | 
                              | 
                          
                          
                            | Peak | 
                            132 | 
                          
                          
                            | Long Term | 
                            126 | 
                          
                          
                            | Suggested System A | 
                            STK SP 158AP | 
                          
                          
                            | Suggested System B  | 
                            STK V-9,STK V-6 |