This premium direct box converts an unbalanced line, instrument or speaker level signal to low impedance balanced mic level.

Features include:

 -   1/4" parallel wired in/out jacks
 -   Ground Lift switch to help eliminate hum and buzz
 -   30dB pad switch for selecting between line/instrument or speaker level input signals
 -   Switchable high cut filter to eliminate amplifier noise
 -   Uses Whirlwind's TRHL-M transformer with metal shield

Model # - DIR
Impedance Ratio (input to output): 133:1
Frequency Response: 20Hz-20kHz ±1dB
Level Change (input to output): -20dB (pad out), -50dB (pad in)