How to create a loudspeaker GLL with EASE SpeakerLab which can be used as a Subwoofer Array in EASE Focus 3? In EASE SpeakerLab create a new project for a "Subwoofer" type loudspeaker: Image Under General Data check the ”Enabled for Subwoofer Array Templates” checkbox: Image This checkbox is what allows Focus 3 to identify the GLL for use in automatic subwoofer arrays. Applies to: EASE Focus