| Model  | 
                            SP-156AP | 
                          
                          
                            | ENCLOSURE SPECIFICATION  | 
                              | 
                          
                          
                            | System configuration | 
                            2-Way full-range | 
                          
                          
                            | LF Components & Loading | 
                            One SK15300 15¡±, vented | 
                          
                          
                            | HF Components & Loading | 
                            One 2 inch voice coil compression driver | 
                          
                          
                            | Operating Mode | 
                            Active | 
                          
                          
                            | Enclosure Material | 
                            Plywood with MDF | 
                          
                          
                            | Enclosure Finish | 
                            Black Warnex texture coated | 
                          
                          
                            | Grill | 
                            Powder coated perforated steel | 
                          
                          
                            | Frequency Response | 
                              | 
                            
                          
                            | ¡¾3 dB | 
                            55Hz ~19kHz | 
                            
                          
                            | -10 dB | 
                            43Hz ~ 20KHz | 
                          
                          
                            | Recommended High-pass Frequency | 
                            50Hz | 
                          
                          
                            | Axial Sensitivity(dB SPL, 1 watt @ 1m) | 
                            101 | 
                            
                          
                          
                            | Nominal Input Impedance(ohms) | 
                            4-8  | 
                          
                          
                            | Power Handling(Watts, Continuius) | 
                            Full range 300 (Internal)  | 
                          
                          
                            | Power Handling(Watts, Peak) | 
                            Full range 1200 (Internal) | 
                          
                          
                            Calculated SPL Limit 
                            (Referenced to 1 m) | 
                              | 
                          
                          
                            | Peak | 
                            131.8dB | 
                          
                          
                            | Long Term | 
                            125.8dB | 
                          
                          
                            | Normal Dispersion( degrees@-6dB ) | 
                            Horizontal 85 ¡Æ 
                              Vertical 85 ¡Æ | 
                          
                          
                            | Optional Accessries | 
                            STK Eye Bolt "seb08" 
                              STK Stand "ST6180" | 
                          
                          
                            Demensions 
                              ( ¡¾0.13 inch / ¡¾3 mm) | 
                            Height 704  
                              Front width 480 
                              Rear width 350 
                              Depth 480 | 
                          
                          
                          
                            | Shipping/CBM | 
                            0.258 | 
                          
                          
                            | Net weight | 
                            36.08kg | 
                          
                          
                            | Shipping weight | 
                            40.56 kg | 
                          
                          
                            | AMPLIFIER SPECIFICATION  | 
                              | 
                          
                          
                            | Output Power | 
                            INT | 
                            EXT | 
                          
                          
                            | 4 ohm | 
                            300W | 
                            300W | 
                          
                          
                            | 8 ohm | 
                            200W | 
                            200W | 
                          
                          
                            Power Bandwidth 
                              (Ref.1kHz, THD+N=0.1%, +0/-1dB) | 
                            20Hz ~ 20kHz | 
                          
                          
                            Frequency Response 
                              (Ref.1kHz 1 watt output, +1/-1.5dB) | 
                            20Hz ~ 30kHz | 
                          
                          
                            THD+N 
                              (Ref.1kHz, f=20Hz~20kHz) | 
                            0.05% | 
                          
                          
                            | Hum & Noise | 
                            ¡Ã70 dB | 
                          
                          
                            | Input Sensitivity | 
                            + 4 dBu | 
                          
                          
                            | Damping Factor | 
                            ¡Ã300 | 
                          
                          
                            | Input impedance | 
                            10k ohm | 
                          
                          
                            | Mode select | 
                            ST/Parallel | 
                          
                          
                            | Connectors Input | 
                            2 XLR | 
                          
                          
                            | Connector output | 
                            1 Neutrick Type Speakon. | 
                          
                          
                            | Cooling | 
                            Variable speed Fan | 
                          
                          
                            | Power Requirements | 
                            980 Watts | 
                          
                          
                            | Special Features | 
                            1. sig LED, Cilp LED, PRT LED 
                              2. Lowest in-rush trodial X-Former 
                              3. STK 7 Way Full Circuit Protection |