The iron triangle is a brand of Chuangrui Industrial. The current model of the product is PRO 91Q.

Established in 1962, Audio-Technica is a worldwide group of companies devoted to the design, manufacture, marketing and distribution of problem-solving audio equipment. Initially known for state-of-the-art phonograph cartridges, A-T now creates high-performance microphones, headphones, wireless systems, mixers and electronic products for home and professional use.

websitePRO 91Q