TEAC NT-507T Streamer Network TransportTEAC NT 507T Network Transport TEAC is proud to unveil the NT 507T Network Streaming Transport that takes music streaming enjoyment to a new level. As a network streaming transport in the Reference 500 Series designed exclusively for USB digital output, it pairs seamlessly with your existing DAC, such as the UD 507, featuring TEACs proprietary discrete TRDD 5 DAC to deliver reference grade sound from online streaming and locally stored NAS audio