MartinLogan Motion MC4
Description of the product.
| Brand | MartinLogan |
| Model | Motion MC4 |
| Drivers | |
| Woofer | 4” (10.16cm) black fiberglass cone |
| Woofer diameter (mm) | 102 |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | FMT Transducer 1” x 1.4” (2.6cm x 3.6cm) Opening 5.25” x 1.75” (13.3cm x 4.4cm) Diaphragm |
| Tweeter diameter (mm) | 26 |
| Frequency response | 90 Hz – 25000 Hz +3 −3 dB |
| Enclosure | |
| Sensitivity (dB) | 90 |
| Impedance (Ω) | 8 |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | |
| Built-in amplifier power (W) | |
| Height (mm) | 143 |
| Width (mm) | 143 |
| Depth (mm) | 139 |
| Weight (kg) | 0.9 |