Bogen's MB8TSLVR speakers feature an all-steel surface-mounted enclosure with an 8" cone loudspeaker and multi-tap 4-watt 70V/25V transformer. The MB8TSLVR speakers are designed primarily for wall mounting, with front face angled downward by 12.5 degrees. MB8TSLVR have a recessed volume control at the center of the grille.