Audiophile quality 1:1 line level audio transformer interface. • Transforms balanced to unbalanced line signals or unbalanced to balanced line signals. • Perfectly balanced proprietary transformer design with ultra-high permeability Ni-Fe core. • Frequency Response of 20Hz to 20kHz (-0.5dB) with no more than +/-1.0dB of variation from 14Hz to 80kHz. • Total Harmonic Distortion is <0.015% from 70Hz to 80kHz. • Total Harmonic Distortion is 0.5% at 20Hz. • Electrical isolation of >500V between secondary and primary winding or windings. • Insertion loss <1.0dB. • Input levels up to +22.2dBu are acceptable. • Ground lift with RF rejection circuitry. • Excellent for low to mid impedance signal sources.