1. Often used to transform voltage or transform load impedance. The voltage ratio is 1:1, the AC impedance is 600 ohms, the DC resistance is 135 ohms, and the power phase is single-phase. 2. Features tightly coupled primary and secondary windings with a broad pass frequency band, high primary inductance, and low leakage inductance to minimize hysteresis loss and signal distortion. 3. Constructed with premium materials to ensure stable functioning, practical performance, and a long service life under continuous use. 4. Designed to meet EMI standards with high-voltage resistance, delivering reliable and stable signal transmission in various applications. 5. High-efficiency audio isolation transformer optimized for clear and accurate audio signal processing in professional and industrial systems. Specifications: Voltage ratio: 1:1, AC Impedance: 600 ohms, DC Resistance: 135 ohms, Power supply phase: monophase, Humidity-proof mode: open, Cooling method: dry type, Frequency characteristics: low frequency, Windability: Double-wire winding, Core shape: EI type, Appearance structure: vertical, Weight: 40 g. Package Included: 1 x 10pcs/pack Audio Transformer.