2×0.5mm² 双芯屏蔽平衡麦克风散线，适用于长距离布线；镀锡铜导体、PE 绝缘、铝箔聚酯+镀锡铜编织双屏蔽、柔性EPVC外护套。
| 布线类别 | Long Distance Routing |
|---|---|
| 标称外径 | 6.8 – 7.2 mm |
| 导体电阻（20°C） | ≤40 Ω/km |
| 导体材料 | Tinned Copper (TC) |
| 绝缘 | PE |
| 屏蔽结构 | AL-Foil Mylar + TC Braided (Double Shielded) |
| 外护套 | Flexible EPVC |
| 线对间电容 | ≤120 pF/m |
| 特性阻抗 | 50–70 Ω (Audio Balanced) |
| 额定电压 | 30 V |
| 适用温度 | -20 °C to +70 °C |
| 接头类型 | N/A (Bare Cable) |
2-core shielded balanced microphone bulk cable, 2×0.5mm², for long-distance routing — tinned copper conductors, PE insulation and AL-Foil Mylar + TC braided double shielding in a flexible EPVC jacket.
This assembly is built with standard 3-pin XLR male and female connectors, the format used for balanced microphone and line-level audio runs.
Choosing the connector and the conductor size for a balanced run: XLR pin counts: 3, 4, 5, 6 and 7-pin explained — what each pin count is for and what each pin on a 3-pin XLR carries. Why an audio cable cannot be swapped for a lighting run: DMX cable vs microphone cable. How the shield and the twisted pair protect the signal: balanced microphone cable construction. The range these variants belong to: audio signal cable.
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