OEP Through Hole Audio Transformer, Primary Impedance: 600Ω, Primary DC Resistance: 46Ω, Secondary DC Resistance: 60Ω, Dimensions: 21.5 x 16.3 x 18mm, Length: 21.5mm, Width: 16.3mm, Maximum Operating Frequency: 22kHz, Minimum Operating Frequency: 10Hz, Turns Ratio: 1/1:1/1, MPN: Z218A6E