Computer-matched venting system for extended bass response Ideally matched woofer to enclosure produces optimal bass output Band-pass enclosure design delivers most efficient bass response High power handling capability for foreground sound Selectable power taps via front-mounted control Power taps (in watts): 64, 32, 16, 8, 4, and 2 8-ohm settings for non-transformer, multi-speaker systems (selectable via tap selector switch) Integral swing-out mounting clamps eliminate need for any additional tile bridge Clamps operate from either the front or rear of the speaker Compounded rubber surround for lasting performance Easy wiring with plug-in connector Connector provides loop-through terminals for the next speaker Attachment point for seismic cable (safety cable) Input terminal cover with conduit knockouts provides protection for connections Off-white textured finish easily painted to match theme decor Attractive, contemporary, sturdy steel grille assembly with fine perforations Accessory 10-foot long safety cable kit (Model CK10, sold separately) Listed to UL Standard 60065 for US and Canada