| Model | QS18R800 |
| Nominal Basket Diameter | 478 mm (18 in) |
| No Voice Coil Diameter | 125 mm |
| Nominal Impedance | 8Ω |
| Sensitivity | 95.9 dB |
| Usable Frequency Range | 48.4Hz-1.8KHz |
| Rated Power | 800 W |
| MAX Power | 1600 W |
| Resonant Frequency (fs) | 48.4 Hz |
| DC Resistance (Re) | 5.8Ω |
| Mechanical Q (Qms) | 29.05 |
| Electromagnetic Q (Qes) | 0.49 |
| Total Q (Qts) | 0.48 |
| Efficiency | 2.44% |
| Installation Dimensions | |
| (Overall Diameter) | 478 mm |
| (Mounting Holes B.C.D) | 451 mm |
| (Baffle Hole Diameter) | 428 mm |
| (The full height) | 203 mm |
| (Edge thickness) | 16 mm |
| (Net Weight) | 18.0Kg |
