| Model  | 
                                        VS-50 | 
                                        
                                      
                                        | Stereo Mode (both channel driven)  | 
                                        Continuous Average Output Per Channel | 
                                        
                                      
                                        | FTC @ THD+N=0.1%, f=20Hz~20kHz  | 
                                        Ch1 | 
                                        Ch2 | 
                                        
                                      
                                        | 8 ohm/Stereo | 
                                        1400W | 
                                        1400W | 
                                        
                                      
                                        | 4 ohm/Stereo  | 
                                        2050W | 
                                        2050W | 
                                        
                                      
                                        | 2 ohm/Stereo  | 
                                        2450W | 
                                        2450W | 
                                        
                                      
                                        | EIA @ THD+1=1%, f=1kHz  | 
                                         | 
                                      
                                      
                                        | 8 ohm/Stereo | 
                                        1450W | 
                                        1450W | 
                                        
                                      
                                        | 4 ohm/Stereo  | 
                                         2150W  | 
                                        2150W | 
                                        
                                      
                                        | 2 ohm/Stereo | 
                                        2500W | 
                                        2500W | 
                                        
									  
                                        Bridge Mono Mode(both channel driven) 
                                       
                                        | 
                                        | 8 ohm/Stereo | 
                                        4000W | 
                                        
                                       
                                        | 4 ohm/Stereo  | 
                                        5000W | 
                                        
                                      
                                        Power Bandwidth 
                                          (Ref. 1kHz, THD+N=0.1%,+0/-1dB) | 
                                        20Hz~20kHz | 
                                      
                                      
                                      
                                        THD+N 
                                          (Ref. 1kHz,f=20Hz~20kHz) | 
                                        ¡Â0.05% | 
                                      
                                      
                                      
                                        Frequency Response 
                                          (Ref. 1kHz, 1watt output, +0/-1dB) | 
                                        20Hz~30kHz | 
                                      
                                      
                                      
                                        IMD(SMPTE4:1) 
                                          (60Hz:7kHz, 4:1 Half power) | 
                                          | 
                                      
                                      
                                      
                                        | 4-8 ohm/Stereo | 
                                        ¡Â0.1% | 
                                      
                                      
                                        | 2 ohm/Parallel | 
                                        ¡Â0.1% | 
                                      
									  
                                        | 8 ohm/Bridge | 
                                        ¡Â0.1% | 
                                      
                                      
                                        Crosstalk 
                                          (RL=8¥Ø, Half power, Att.Max 600¥Ø shunt) | 
                                         ¡Ã64dB, 1 kHz | 
                                      
                                      
                                      
                                        Residual Noise 
                                          (20Hz~22kHz LPF,Att.min)  | 
                                        ¡Ã70dB  | 
                                      
                                      
                                      
                                        S/N Ratio 
                                          (Filter:A-Weighting, RMS) | 
                                        ¡Ã107dB | 
                                      
                                      
                                      
                                        Damping Factor  
                                          (RL=8¥Ø, f=1kHz)  | 
                                        ¡Ã400 | 
                                      
                                      
                                      
                                        | Input Sensitivity (Att. max) | 
                                         | 
                                      
                                        | 4 ohm/Stereo | 
                                        +0 or +4.0 or +7.0 dBu By Select Switch  | 
                                      
                                      
                                        | 8 ohm/Bridge  | 
                                        Up to +2.1 dBu from 4 ¥Ø/Stereo Input | >
                                      
                                      
                                        | Voltage Gain(Att. max) | 
                                        41.56dB | 
                                        
                                      
                                        | Output Circuitry  | 
                                        H Class 3-Step  | 
                                      
                                      
                                        | Input Impedance | 
                                        6k¥Ø(Unbalance), 12k¥Ø(Balance) | 
                                      
                                      
                                        | Controls | 
                                          | 
                                      
                                      
                                        | Front panel | 
                                        AC Switch,Ch1 and Ch2 gain knobs  | 
                                      
                                      
                                        | Rear panel  | 
                                        Low cut 30Hz Filter Output clip limiter, Sensitivity, ST/Mono Bridge, Parallel | 
                                      
                                      
                                        | Connectors | 
                                          | 
                                      
                                      
                                        | Input | 
                                        Neutrick Female XLR jack | 
                                      
                                      
                                        | Output | 
                                        XLR Male Jack(In put Through) 
                                          Speakon Jack | 
                                      
                                      
                                        | Indicators | 
                                        Protect(Red),Power (Green), Mono Bridge (yell), Parallel(Green),Peak Clip (Red), 
                                        3 step level meter (Green) | 
                                      
                                     
                                        | Protection Circuits | 
                                          | 
                                        1)Short Circuits  
2)Current Limit 
3)DC detection  
4)Thermal  
5)Main Voltage Detect  
6)Power supply shutdown  
7)AC Line fuse  | 
                                          | 
                                      
                                      
                                        | Fan Circuit | 
                                        Four Fans Variable Low Speed(50¡É), 
                                          High speed(60¡É) | 
                                      
                                      
                                        Power Consumption  
                                          (1/3 power) | 
                                        3050Watts | 
                                        
                                      
                                        | DIMENSION | 
                                        480mm X 110mm X 495mm | 
                                      
                                      
                                        | Shipipng Weight & volume | 
                                        19.90kg / 0.0788cbm |