| AL-31 | AL-31T | |
| Rated power (100V): | 15W/30W | 3.75W/7.5W/15W/30W |
| Rated power (70V): | — | 1.8W/3.75W/7.5W/15W/30W |
| Rated power (8Ω): | — | 30W |
| Max power: | 45W | 45W |
| Input： | 100V | 70V/100V/8Ω |
| (level of) sensitivity（1W/1M)： | 102dB±3dB | 108dB±3dB |
| Frequency Response: | 300Hz-8KHz | 300Hz-8KHz |
| Speaker unit: | 1.5''x1 | 1.5''x1 |
| Product Size (HxWxD)： | 220x273x 285mm | 220x273x 285mm |
| Product weight： | 2KG | 2.2KG |
| Protection level： | IP55(参照） | IP55(参照） |
| Packaging specification: | 4pcs/ctn | 4pcs/ctn |
| Package sizemm | 613x459x315 | 613x459x315 |
| Housing Material: | Plastic case + iron stand | Plastic case + iron stand |
