"The integration of sophistication and technical evolution. Introducing our innovative Z, series. BTS ET Ye SIH ICE T UES ES HA the debut model heralding our new gen nation of amplifier producers. Featuring our newly developed FILES amplification feedback engine, we look towards the future of Lux man, “This amplifier has realized a dramatic development in musicality that goes far beyond its class. L-507Z. combines advanced technology and sophisticated functionality.