CEDIA 2013: ParaSound Talks About its Zamp Quattro 4×2 AmplifierSeptember 30, 2013 | Home / September 30, 2013 rave-video / CEDIA 2013: ParaSound Talks About its Zamp Quattro 4×2 Amplifier CEDIA 2013: ParaSound Talks About its Zamp Quattro 4×2 Amplifier