Pro Intercom AD920 Balanced/Unbalanced Interface AdapterBalanced Unbalanced System Interface Adapter The AD920 Balanced Unbalanced Interface provides impedance matching and signal conversion between a balanced intercom circuit and an unbalanced intercom circuit. Both channels become audio and light signal compatible. Power may come from either intercom circuit or from both simultaneously. This is particularly useful for production crews wanting to use their unbalanced system with a balanced 'house' system.
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Pro Intercom AD920 Balanced/Unbalanced Interface Adapter