The black Electro-Voice ETX-TCA-L Truss Adapter is used for the vertical degree of adjustment in installing the ETX-12P, 15P, and 35P powered loudspeaker systems. For the 12P, in position 1, there is 0°¸ and in position 2, 15°¸ down, and in position 3, 33°¸ down. For the 15P, in position 1, there is 0°¸ and in position 2, 11°¸ down, and in position 3, 30°¸ down. For the 35P, in position 1, there is 0°¸ and in position 2, 8°¸ down, and in position 3, 22°¸ down.The truss bracket attaches to the truss clamp.

Specifications: