Hello,I got myself an vibe active subwoofer im trying to install.I bought a vibe 2 Channel Adjustable Line Convertor to get signal from into the phono cable, but no sound.I just took the clip of the original subwoofer and tried to use those as signal scource.Does anyone know what i am doing wrong?This one is the line converter, my model is LOC2-V5http://vibeaudio.co.uk/accessories/line-convertor/