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

- 1/4 inch 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

Input Impedance: 20k Ohms
Output Impedance: 150 Ohms
Frequency Response: 20Hz-20kHz +/-1dB
Level Change (input to output): -20dB (pad out), -50dB (pad in)