| Series | MURO |
| Model | OD-M81 |
| Speaker Type | 2-Way Sealed/Ported Design |
| Frequency Response -3 dB: | 70 to 20Khz |
| Frequency Response -6 dB: | 55 to 20Khz |
| Nominal Impedance | 8 Ω |
| Sensitivity @2.83 v/1m | 87 dB |
| Crossover Frequency | 2160 Hz |
| Recommended Ampliifer Power | 30 - 180 W |
| Nominal/Peak Power Handling | 100/150 W |
| Tweeter | 25mm Silk Dome Tweeter with 2-layer Copper-Clad Aluminum Voice Coil |
| Woofer | 8 “ 25mm polypropylene cone, rubber surround |
| Cabinet | UV-Resistant Plastic |
| Cabinet Finish | Black - White |
| Port | Sealed with Option for Ported Design |
| Speaker Connection | 5 - Way Binding Posts |
| Width (in / mm) | 9.84/250 |
| Height (in / mm) | 15.35/390 |
| Depth (in / mm) | 11.2/285 |
| Net Weight (lbs / KG) | 11.02/5.0 |
