Product Overview The ZXY1527 Permalloy Audio Isolation Transformer is engineered for high-quality audio signal coupling and galvanic isolation in professional audio equipment. It combines a high-permeability Permalloy magnetic core, a 1+1:1+1 winding ratio configuration , an 8-pin connection structure, and a specified frequency range of 20Hz–50kHz , delivering a practical solution for audio circuit designers who require reliable signal isolation and low-distortion audio