| Model | VA-6500 |
| Supporting board quantity | A maximum of 4 |
| Network interface | RJ45*1, 10/100 Mbps adaptive, IGMP, TCP/IP Protocol |
| Audio input | Balanced/unbalanced * 2, ± 0. 385 V (balanced), 0.775 V (unbalanced) |
| Audio output | Balanced output * 2, ± 0. 385 V, TDH 0.1%, 80 ~ 16kHz |
| RS422/RS485 interface | RJ45*2, conform to 422 bus standard and 485 bus standard. Each port can only be set as one of 422 bus mode or 485 bus mode |
| Size | 263 × 124 × 30 |
| Weight | 0.25 kg |