The DT109 level-limited headsets are available in four versions - two terminated, one unterminated and one without cable (XLR wiring is compatible with Tecpro and RTS intercom systems, see Tecpro Communication System - Headsets product group for details of the wiring conventions):
Headsets with an extremely low visual profile for improved 'in-shot' appearance, and great comfort for extended wearing. Single muff, hypercardioid dynamic mic. 'XJ' suffix denotes supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack. Supplied wired mono and limited at 88dBA.
DT290
Headsets with an extremely low visual profile for improved 'in-shot' appearance, and great comfort for extended wearing. Dual muff, hypercardioid dynamic mic. 'XJ' suffix denotes supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack. 'XLR5M' suffix denotes supplied with Neutrik NC5MXX 5-pin male (mic pins 1 & 2, common pin 3, ear left pin 4, ear right pin 5).
As DT290 but with cardioid pattern condenser mic. Supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack. Also available with Neutrik NC7MXX connector.
Discontinued
The DT790 is a combination of the closed studio headphone DT770, the high-quality dynamic - hypercardioid microphone of the DT 290 with a new pivoting, gooseneck microphone boom.
As DT790 but with cardioid pattern condenser mic. Supplied fitted with Neutrik NC3MX XLR 3-pin male for mic and NP3X 3-pole A-gauge jack, wired mono and limited at 88dBA.