Product Description for the Whirlwind IMP2 - Direct Box
The IMP 2 converts a line or instrument level unbalanced signal to a low impedance mic level balanced signal. It's the ideal direct box for anyone requiring professional quality and durability in an economical package.
1/4 in. parallel wired in/out jacks
Ground Lift switch to help isolate hum and buzz
Uses Whirlwind's TRHL transformer that's riveted, not glued, to the chassis
Built rugged on the inside and outside, this is the world famous DI found in pro systems everywhere.