Electro-Voice engineers have raised the bar for portable sound once again, adding to the award-winning ZX loudspeaker family with the new ZXA1 - the self-powered version of the best-selling ZX1 compact two-way loudspeaker. ZXA1 is powered by an 800 watt amplifier module derived from EV's world-tour-class Tour Grade series - amplifiers with audio quality and reliability proven at the very highest levels.