| Model | FQD280 | FQD480 | FQD4100 | FQD4120 | FQD4150 |
| Channels: | 2 CH | 4 CH | 4 CH | 4 CH | 4 CH |
| RMS Power: | 80WX2 @ 4Ohm | 80WX4 @ 4Ohm | 100WX4 @ 4Ohm | 120WX4 @ 4Ohm | 150WX4 @ 4Ohm |
| Low Pass Frequency: | 40Hz - 240Hz | 40Hz - 240Hz | 40Hz - 240Hz | 40Hz - 240Hz | 40Hz - 240Hz |
| High Pass Frequency: | 40Hz - 240Hz | 40Hz - 240Hz | 40Hz - 240Hz | 40Hz - 240Hz | 40Hz - 240Hz |
| THD: | ≤0.5% | ≤0.5% | ≤0.5% | ≤0.5% | ≤0.5% |
| S/N Ratio: | ≥90dB | ≥90dB | ≥90dB | ≥90dB | ≥90dB |
| Bass Boost Center Frequency: | 50Hz | 50Hz | 50Hz | 50Hz | 50Hz |
| Bass Boost : | 0 - 6dB -12dB | 0 - 6dB -12dB | 0 - 6dB -12dB | 0 - 6dB -12dB | 0 - 6dB -12dB |
| St Separation(+A): | ≥50dB | ≥50dB | ≥50dB | ≥50dB | ≥50dB |
| Frequency Response: | 10Hz - 20KHz | 10Hz - 20KHz | 10Hz - 20KHz | 10Hz - 20KHz | 10Hz - 20KHz |
| Auto Protection; | Thermal(75 ℃ ), Overload, Short, Reverse Polarity, Speaker Shortcut Protection | ||||
| Dimensions | 245X275X65mm | 295X275X65mm | 345X275X65mm | 395X275X65mm | 445X275X65mm |
