TCA2 - Dual Channel Thermocouple Amplifier (CAN ID - Box A). Manufacturer: Haltech. Includes: Dual Channel Thermocouple Amplifier, Elite CAN cable DTM-4 to 8 pin Black Tyco - 300mm (12)". Notes: Combine two Dual and/or Quad Channel Thermocouple Amplifiers with different CAN ID's (Box A or B) for up to 12 channels (subject to ECU compatibility).