Countryman DT10 Type 10 Direct Box - Active DISingle Channel Battery or Phantom Powered Ground Lift Input Pad Rugged Enclosure The Type 10 Direct Box from Countryman is an active DI that tackles the difficult tradeoffs present when dealing with direct injection sources ultra low distortion can only be attained by increasing input noise, while true ground isolation means high phase deviation or signal attenuation. Using an analog circuit that tunes itself, the Type 10 maintains exceptionally low