Audio Direct Box
Whirlwind

A Direct box converts a line or instrument level unbalanced signal to a low impedance mic level balanced signal. It's ideal for anyone requiring professional quality and durability in an economical package.

Features: 1/4 parallel wired in/out jacks - Ground Lift switch to help isolate hum and buzz. 

Specs: Input Impedance: 20k Ohms - Output Impedance: 150 Ohms - Frequency Response: 20Hz-20kHz 1dB - Level Change: (input to output): -20dB