32 Channel Line In Dante/AES67 Interface, 1RU. The Attero Tech by QSC Synapse D32i is a high-performance, networked audio interface supporting Dante with AES67 interoperability. The D32i features 32 channels of balanced line level inputs, capable of accommodating line level consumer and/or professional analog audio devices. All inputs are available independently for routing from the Dante / AES67 network audio interfaces.