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| Model | T-774SW | 
| Rated power(100V) | 30W | 
| Rated power(70V) | 15W | 
| Sensitivity | 89dB | 
| Impedance | 333Ω | 
| Frequency response | 80Hz -20KHz | 
| Speaker driver | 4"×1 1"×1 | 
| IP rate | IP66 | 
| Dimensions | 276×170×170mm | 
| Weight | 2.5Kg |