| Model  | 
                            SP-155AP | 
                          
                          
                            | ENCLOSURE SPECIFICATION  | 
                              | 
                          
                          
                            | System configuration | 
                            2-Way full-range | 
                          
                          
                            | LF Components & Loading | 
                            One SK15500 15¡±, Bass-reflex | 
                          
                          
                            | HF Components & Loading | 
                            One 2 inch voice coil compression driver | 
                          
                          
                            | Operating Mode | 
                            Active(BI-Amp) | 
                          
                          
                            | Frequency Response | 
                              | 
                            
                          
                            | ¡¾3 dB | 
                            53Hz ~19kHz | 
                            
                          
                            | -10 dB | 
                            46Hz ~ 20kHz | 
                          
                          
                            | Axial Sensitivity(dB SPL, 1 watt @ 1m) | 
                            101 | 
                            
                          
                          
                            | Nominal Input Impedance(ohms) | 
                              | 
                          
                          
                            | Power Handling(Watts, Continuius) | 
                            400 | 
                          
                          
                            | Power Handling(Watts, Peak) | 
                            1600 | 
                          
                          
                            | Normal Dispersion(H x V) | 
                            85 x 85 | 
                          
                          
                            Calculated SPL Limit 
                              (Referenced to 1 m) | 
                              | 
                          
                          
                            | Peak | 
                            133dB | 
                          
                          
                            | Long Term | 
                            127dB | 
                          
                          
                            | Optional Accessries | 
                            STK Pole "SPM35130" | 
                          
                          
                            Demensions 
                              ( ¡¾0.13 inch / ¡¾3 mm) | 
                            Height 704  
                              Front width 480 
                              Rear width 350 
                              Depth 480 | 
                          
                          
                          
                            | Shipping/CBM | 
                            0.258 | 
                          
                          
                            | Net weight | 
                            34.18kg | 
                          
                          
                            | Shipping weight | 
                            38.66kg | 
                          
                          
                            | AMPLIFIER SPECIFICATION  | 
                              | 
                          
                          
                            | Output Power | 
                              | 
                            
                          
                            | 4 ohm | 
                            400W (LF) | 
                            
                          
                            | 8 ohm | 
                            100W (HF) | 
                            
                          
                            Frequency Response
  | 
                            20Hz ~ 40kHz | 
                          
                          
                            | THD 20Hz~30kHz  | 
                            0.05% | 
                          
                          
                            | Hum & Noise | 
                            ¡Ã70 dB | 
                          
                          
                            | Input Sensitivity | 
                            + 4 dBm(1.23V) | 
                          
                          
                            | Damping Factor | 
                            ¡Ã300 | 
                          
                          
                            | Active X-Over Frequency | 
                            1.8kHz | 
                          
                          
                            | Input impedance | 
                            20k ohm (XLR/BAL) | 
                          
                          
                            | Connectors Input | 
                            XLR/BAL(Line In) | 
                          
                          
                            | Connector output | 
                            XLR/BAL(Through) | 
                          
                          
                            | Power Requirements | 
                            700 Watts | 
                          
                          
                            | Special Features | 
                            1. Sig LED, Cilp LED, PRT LED, Peak LED  
                              2. Variable speed fan 
                              3. Low Distortion AB Class 
                              4. 7 Way Full Circuit Protection |