คำอธิบาย
| Brand | SIGNO |
| Model | HP-831 ELECTRA |
| Frequency | 20-20KHz |
| Impedance | 32Ω±15% |
| Sensitivity | 107±3dB |
| Microphone | Omni-directional |
| Bluetooth | None |
| Wireless | None |
| Controls | N/A |
| Connector | USB 2.0 |
| Cable Length | 2.2m. |
| Battery | None |
| System Support | All Windows Versions |
| Package Contents | N/A |
| Dimension | (W x D x H) : 21.00 x 22.50 x 10.00 cm |
| Net Weight | 31.00 KG |
| Package Dimension | (W x D x H) : 20.50 x 22.50 x 9.00 cm |
| Gross Weight | 0.50 KG |
| Volume | 4,151.25 cm3 |
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