| General Specification--OPA series | |
| | | | | |
| Specification | OPA800 | OPA1000 | VOPA1200 | |
| Power Output Level 1kHz, THD+N=0.1% | RMS @ 8ohm stereo | 800W+800W | 1000W+1000W | 1200W+1200W | |
| RMS @ 4ohm stereo | 1200W+1200W | 1500W+1500W | 1800W+1800W | |
| RMS @ 2ohm stereo | 1400W+1400W | 1700W+1700W | 2100W+2100W | |
| RMS @ 8ohm bridge | 1600W | 2000W | 2400W | |
| RMS @ 4ohm bridge | 2400W | 3000W | 3600W | |
| Phase response | (1W, 20Hz-20kHz at 8ohm) | ±10° | |
| Total Harmonic Distortion (THD+N) 20Hz~20kHz, Half Power | | ＜0.1% | |
| Frequency Response | 1W/ 8ohm | 20Hz-20kHz -1dB @ 1kHz ±0.5dB | |
| Slew Rate | | 35V/μs | |
| Intermodulation Distoration (IMD) 60Hz:7kHz, 4:1, Half Power | | ＜0.03% | |
| Channel Separation | Half Power, RL=8ohm, 1kHz Vol.max., input 600ohm shunt | >70dB | |
| SN Ratio | | 95dB | |
| Damping Factor | 8ohm, 1f = 1kHz | 400 | 450 | 500 | |
| Sensitivity (Vol.max.) | Rated Power into 8ohm | 0.775V/1.0V/1.44V | |
| Input Impedance | balanced/ unbalanced | 20K ohm / balanced , 10K ohm /unbalanced | |
| Controls | Front Panel | Power Switch (ON/OFF), Volume/CH | |
| Rear Panel | senstivity switch, operation mode switch, grounding switch, filiter switch | |
| Input Connectors | per channel | Female &male XLR (pin 2+, configurable for pin3+, groung 1+) | |
| Output Connectors | per channel | 2-way binding posts or speakon connectors | |
| LED Indicators | per channel | Protect / Clip / SIGNAL / ACTIVE | |
| LCD Indicators | per channel | WORK MODEL， TEMPERATURE，SHORT CIRCUIT PROTECT, OVER LOAD PROTECT, DC PROTECT | |
| Protection Circuit | | SHORT CIRCUIT PROTECT, OVER LOAD PROTECT, DC PROTECT, SOFT START, HIGH TEMPERATURE PROTECT LIMITER. | |
| Class | | AB | H | H | |
| Power Supply | | 220V, 50HZ | |
| Cooling | | Two individual cooling fan controlled by temperature | |
| Dimensions (W x H x D) | W548mm×H143mm×D519mm | |
| Weight ( Kg) | 23.5 | 25 | 27 | |
