| Model  | 
                                        VS-40 | 
                                        
                                      
                                        | Stereo Mode (both channel driven)  | 
                                        Continuos Average Output/per CH | 
                                        
                                      
                                        | FTC @ THD+N=0.1%, f=20Hz~20kHz  | 
                                        Ch1 | 
                                        Ch2 | 
                                        
                                      
                                        | 8 ohm/Stereo | 
                                        1150W | 
                                        1150W | 
                                        
                                      
                                        | 4 ohm/Stereo  | 
                                        1750W | 
                                        1750W | 
                                        
                                      
                                        | 2 ohm/Stereo  | 
                                        1800W | 
                                        1800W | 
                                        
                                      
                                        | EIA @ THD+1=1%, f=1kHz  | 
                                         | 
                                      
                                      
                                        | 8 ohm/Stereo | 
                                        1200W | 
                                        1200W | 
                                        
                                      
                                        | 4 ohm/Stereo  | 
                                         1800W  | 
                                        1800W | 
                                        
                                      
                                        | 2 ohm/Stereo | 
                                        2000W(Short term) | 
                                        2000W(Short term) | 
                                        
                                      
                                        Power Bandwidth 
                                          (Ref. 1kHz, THD+N=0.1%,+0/-1dB) | 
                                        20Hz~30kHz | 
                                      
                                      
                                      
                                        THD+N 
                                          (Ref. 1kHz,f=20Hz~20kHz) | 
                                        ¡Â0.05% | 
                                      
                                      
                                      
                                        Frequency Response 
                                          (Ref. 1kHz, 1watt output, +0/-1dB) | 
                                        20Hz~40kHz | 
                                      
                                      
                                      
                                        IMD(SMPTE4:1) 
                                          (60Hz:7kHz, 4:1 Half power) | 
                                          | 
                                      
                                      
                                      
                                        | 4-8 ohm/Stereo | 
                                        ¡Â0.1% | 
                                      
                                      
                                        | 2 ohm/Parallel | 
                                        ¡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) | 
                                        +0 or +4.0 or +7.0dBu by select switch | 
                                      
                                      
                                        | 4 ohm/Stereo | 
                                        up to +2.1dBu from 4ohm/Stereo Input | 
                                      
                                      
                                        | 8 ohm/Bridge  | 
                                          | 
                                      
                                      
                                        | Voltage Gain(Att. max) | 
                                        38dB | 
                                        
                                      
                                        | Output Circuitry  | 
                                        H Class 2-Step  | 
                                      
                                      
                                        | Input Impedance | 
                                        6k¥Ø(Unbalance), 12k¥Ø(Balance) | 
                                      
                                      
                                        | Controls | 
                                          | 
                                      
                                      
                                        | Front panel | 
                                        AC Switch,Ch1 and Ch2 gain knobs  | 
                                      
                                      
                                        | Rear panel  | 
                                        Parallel, Stereo/Mono, Clip limiter(option), HPF Switch, Sensitivity selector | 
                                      
                                      
                                        | Connectors | 
                                          | 
                                      
                                      
                                        | Input | 
                                        XLR jack | 
                                      
                                      
                                        | Output | 
                                        XLR Male Jack(In put Through) 
                                          Speakon Jack | 
                                      
                                      
                                        | Indicators | 
                                        Power(Green),Protect(Red),Clip(Red), Parallel(Green),Bar Graph In/Out level | 
                                      
                                      
                                        | 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) | 
                                        2100Watts | 
                                        
                                      
                                        | DIMENSION | 
                                        480mm X 88mm X 495mm | 
                                      
                                      
                                        | Weight & Volume (Net/ Shipping) | 
                                        16.08 Kg / 17.58 Kg / 39.06 Ibs |