Anchor Audio B3-2000 - Expansion Branch Box for PortaCom SystemThe B3 2000 is the branch box for the PortaCom wired intercom. It allows you to expand your PortaCom wired intercom system to include up to three additional users per branch box. The heavy duty 3 pin XLR connectors are used with the XLR cables that connect the beltpack to the base station or branch box to the beltpack. Anchor Audio offers the following XLR cables for the PortaCom wired intercom system: EX 25M EX 50M EX 75M
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Anchor Audio B3-2000 - Expansion Branch Box for PortaCom System