| Model | TRX 500 | 
                    
                        | Bridge Mode 8 Ohms | 
| Continuous | 140w |  
| Program / Peak | 200W / 280W |  | 
                    
                        | Stereo Mode 4 Ohms | 
| Continuous | 70W x 2 |  
| Program / Peak | 210W x 2 / 140W x 2 |  | 
                    
                        | Stereo Mode 8 Ohms | 
| Continuous | 50W x 2 |  
| Program / Peak | 60W x 2 / 100W x 2 |  | 
                    
                        | Dimension (cm) | 59.8 x 49.9 x 12.9 | 
                    
                        | Weight (kg) | 9.48 | 
                    
                        | Distortion: (SMPTE-IM): | <0.05% | 
                    
                        | Frequency Response: | 20Hz- 20kHz ±0.1/3dB | 
                    
                        | Signal to Noise: | 20Hz- 20kHz 102dB | 
                    
                        | Voltage Gain: | 40x (32dB) | 
                    
                        | Input Sensitivity @ 4 ohms: | 1Vrms | 
                    
                        | Input clipping: | 10 Vrms (+22dB) | 
                    
                        | Input Impedance: | 10 Kohms unbalanced, 20 Kohms balanced, 56 (36dB) | 
                    
                        | Controls: | Front: AC Switch, Ch1 - Ch2 Gain Knobs, Rear:Limiter, Bridge Selector | 
                    
                        | Indicators: (1 per Channel) | Power-On: Blue LED, Protection: Green LED, Limiter : Yellow LED, Clip: Red LED, Parallel-input: Yellow LED | 
                    
                        | Connectors, each channel: | Input: Terminal Block / Output: Screw-terminal Barrier Block | 
                    
                        | Cooling: | Continuously variable speed fan, front-to-rear air flow | 
                    
                        | Load Protection: | On / Off muting, overheat & short circuit protection | 
                    
                        | Power Supply: | 220-240V (110-120V) AC 50-60Hz |