Enables easy interfacing; Provides connection between various audio gear in numerous applications; Input attenuation: switchable (0dB, -20dB & -40dB); Instrument input: 50K unbalanced TS jack; Parallel (link) output: 50K unbalanced TS jack; 600ohm balanced XLR jack; Switchable ground lift; All-steel chassis construction; Dim: 3.01″H x 4.72″W x 1.77″D;