● Brand: whirlwind
● 1/4 inch parallel line level input/output interface
● Ground lift switch for noise elimination
● 20 dB attenuation pad for connecting hot input signals
● TRHL M transformer with metal shielding
● Impedance ratio (input to output): 133:1
● Frequency response: 20 Hz to 20 kHz ±1 dB
● Level change (input to output): 20 dB (Pad Out), 40 dB (Pad In) View details