Montis Overview Introducing Montis, the latest evolution in the MartinLogan Reserve ESL Series. Following in the footsteps of our award-winning flagship hybrid ESL speaker, the Summit XTM, Montis blends legendary sound with sophisticated styling. Years in the making, the Montis builds on a number of unique MartinLogan manufacturing techniques and materials; XStat and AirFrameTM technologies, vacuum bonding, MicroPerf stators, a Curvilinear Line Source electrostatic transducer, dipole sound radiation, a low-distortion aluminum-cone woofer, advanced Vojtko filtering, a 24-bit VojtkoTM DSP engine, and 100-Hz level control.Martin Logan