Dynamo 300
| Brand | Martin Logan |
| Function | Speaker (Subwoofer) |
| Country | China |
| Form Factor | Floorstanding |
| Signal Path | Analog Hardware |
| Dimensions | 14.15” x 12.6” x 13.75” |
| Weight | 21.5 lbs. (9.8 kg) |
| Frequency Response | 32–150 Hz ± 3dB |
| Brand | Martin Logan |
| Function | Speaker (Subwoofer) |
| Country | China |
| Form Factor | Floorstanding |
| Signal Path | Analog Hardware |
| Dimensions | 14.15” x 12.6” x 13.75” |
| Weight | 21.5 lbs. (9.8 kg) |
| Frequency Response | 32–150 Hz ± 3dB |