Problem: You need to mix a CD and a VCR's audio output with a synthesizer and the line output of a bass amp and send it all to a PC or cassette deck. Solution: Connect the MacroMIX between your audio sources and the PC or cassette deck. Levels can be mixed and a headphone jack lets you monitor the mix. Mix it up however you like! Specifications Signal To Noise Ratio <90dB Maximum Gain +40dB Input Impedance 10K ohms unbalanced (all inputs) IMD (SMPTE) <0.008% Power Requirements 12V DC (Adapter included) Total Harmonic Distortion <0.008% Dimensions 5.625×3.75×1.75 inches (143mm x 92mm x 45mm) Weight 1.6 lbs (725g)