Bogen's Series of amplified speakers are an alternative to 70 V and 25 V speaker systems. Each speaker has a built-in amplifier with volume control. Model ASWG1. Ceiling mount with unmounted cone speaker. Power Requirements: 24 VDC, 50 mA. Impedance: 1000 ohms. Dimensions: 127⁄8" Dia. × 31⁄4" D. Weight: 4 lbs. Model ASWB1. Wall baffle with unmounted cone speaker. Power Requirements: 24 VDC, 50 mA. Impedance: 1000 Ohms. Dimensions: 91⁄2" W × 91⁄2" H × 51⁄4" D. Weight: 4 Lbs. Model AH5A. Horn Speakers. Power Requirements: 24 VDC, 400 mA. Impedance: 600 ohms. Dimensions: 9" Dia. × 91⁄4" D. Weight: 5 Lbs.

Bogen model AS1 is an 8 in., cone-type loudspeaker, complete with a built-in 1-watt amplifier and volume control. Volume control allows adjustment of the paging level at each speaker location in the system.