Manufacturer Part Number: SYSTEM 12/VC Quam s SYSTEM 12/VC is a 24 x 24 lay-in ceiling speaker tile 8 O.D with a 5W-25/70.7V pigtail transformer with volume control. Key Features: 24 x 24 lay-in speaker tile 5W-25/70.7V pigtail transformer For indoor environments Program material: Signal tones voice and music Made in Chicago USA Quam SYSTEM 12/VC 24 x 24 Lay-In Ceiling Tile Speaker 5W-25/70V The SYSTEM 12/VC by Quam is a complete loudspeaker assembly with an 8 O.D. full range loudspeaker 5 watt-25/70.7V pigtail transformer with volume control perforated steel baffle and integral molded fiber enclosure. Intended use in an indoor environment mounted parallel to floor plane in a 24 wide suspended ceiling tile grid for signal tones voice and music. Note: not UL listed. Made in Chicago USA. Specifications: 25/70.7V transformer: 5 2.5 1.25 0.63 0.31 watt Average sensitivity: 92 dB 1W/1m Power rating: 12 watts RMS Max. system output: 99 dB 5W/1m Magnet type: weight: BeFe ceramic 4.8 oz. nominal Frequency response: 65 Hz - 17 kHz Nominal coverage angle: 100° included angle -6 dB/ 2 kHz half space Audio connection: 7 long labeled tinned wires pre-cut. Product Details BrandQuamModelSYSTEM 12/VCPart Number244-3140UPC844632097386Unit of MeasureEachWeight7.85 Product Specifications Input Rating70V|25VMounting StyleDrop-in TileWoofer Diameter8 Special FeaturesEnclosed Back-Volume Control