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Description: Name: High impedance headphone audio converter The isolation transformer is adopted, which has the characteristics of DC isolation, which can eliminate common ground interference and improve the stability of the circuit. Used for radio production, mineral radio production Impedance conversion through audio transformer to convert low-impedance earphones into high-impedance earphones 1. Low impedance end: 3.5-inch ordinary headphone jack (Low Z) 2. Impedance conversion: audio impedance converter 3. High impedance end: used to connect to the radio circuit (Hight Z) Package included: 1 x Converter