Features
· Built-in DSP processor system · Energy dynamic analysis technology
· Wide voltage support, 90-250V · Dynamic Distortion Compensation Technology
· Overtemperature protection overload power control · Power undervoltage protection
· Output DC protection · Module temperature,voltage,current, and fault status monitoring for each channel
· Peak limiting pressure limiter · Temperature power control

| Power Amplifier | D42 | D43 | D44 | D45 |
| DC-Impedance:Ω/DCRmin | 6.4/6.4 | 3.2/3.2/6.4/Parallel | 3.2/3.2/3.2/3.2 | 3.2/3.2 |
| Peak output voltage:V/Vp | 200/200 | 100/100/200/Parallel | 100/100/100/100 | 100/100 |
| Peak output current:A/Ip | 30/30 | 30/30/30/Parallel | 30/30/30/30 | 30/30 |
| Max output power:W/230v/40ms | 3000/3000 | 1500/1500/3000/Parallel | 1500/1500/1500/1500 | 1500/1500 |
| Total output power: W/230v/40ms | 4000 | 4000 | 4000 | 4000 |
| Maximum Input voltage:dBu | +6dBu | +6dBu | +6dBu | +6dBu |
| Modulation frequency:kHz | 350kHz | 350kHz | 350kHz | 350kHz |
| Total Harmonic Distortion:8Ω/100W/100Hz | < 0 .03% | < 0 .03% | < 0 .03% | < 0 .03% |
| Frequency response:8Ω/100W/±0.5dB | 10Hz - 22 KHz | 10Hz - 22 KHz | 10Hz - 22 KHz | 10Hz - 22 KHz |
| SN ratio:8Ω/100Hz/A-weighting | 100dB | 100dB | 100dB | 100dB |
| Efficiency: 8Ω/300W/100Hz | >80% | >80% | >80% | >80% |
| Power factor:1000W/230V/50Hz | >0.85 | >0.85 | >0.85 | >0.85 |
| Standby consumption: | 10w/25w | 10w/25w | 10w/25w | 10w/25w |
| Power supply range: | AC/DC: 90~250V | AC/DC: 90~250V | AC/DC: 90~250V | AC/DC: 90~250V |
| Dimensions: | 480x44x200mm | 480x44x200mm | 480x44x200mm | 480x44x200mm |
| Weight: | 4Kg | 4Kg | 4Kg | 4Kg |
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