GENELEC 7270 Digital 12" Subwoofer The Genelec 7270A combines the Laminar Spiral Enclosure (LSE™) technology with state of the art AutoCal and GLM control network technologies for the highest level of monitoring flexibility. GLM allows to automatically align every monitor on the network in terms of level, timing, and equalisation of room response anomalies in all applications. With its 19 Hz lower cut-off frequency, high SPL output and comprehensive 7.1 digital bass management system, the 7270A adapts to all low frequency monitoring situations. The 7270A is a powerful monitoring solution for recording studios, post-production facilities, mobile vans, radio and TV broadcasting.