| Color | Black |
| Brand | blue-ant |
| Model | s81 |
| Material | ABS + plastic |
| Quantity | 1 Piece |
| Total Power | 5W + 3W x 2 W |
| SNR | > / = 95dB |
| Sensitivity | 550＼50mV |
| THD | < / = 0.2% |
| Frequency Response | 65Hz-20KHz |
| Channels | 2.1 |
| Interface | Others、 |
| Remote Control Type | wired |
| Radio Tuner | No |
| Power Supply | USB 5V |
| Packing List | 1 x Speaker (120cm) 2 x Satellite boxes (60cm) |