The Sonodyne CA 820 Column Speaker is a premium 2-way professional audio solution designed to deliver crystal-clear sound, powerful performance, and sleek aesthetics for a wide range of commercial and institutional spaces. Built with a durable 3 mm extruded aluminium enclosure, this speaker combines elegant design with long-lasting strength, making it ideal for auditoriums, hotels, places of worship, restaurants, conference halls, retail outlets, and educational institutions across India .Equipped with 8 × 3-inch polypropylene woofers and a 1-inch dome tweeter, the CA 820 ensures rich midrange detail and crisp high-frequency clarity. With a broad frequency response (110 Hz – 20 kHz) and 150W program power, it delivers impressive sound coverage with exceptional vocal intelligibility. The speaker supports both low-impedance and 70V/100V line installations, providing unmatched flexibility for different sound system designs. Specifications Description 2-way column speaker with extruded aluminum enclosure Enclosure 3 mm extruded aluminum Transducer Complements LF: 8 × 3″ polypropylene woofers · HF: 1 × 1″ dome tweeter Nominal Impedance 4 Ω Sensitivity (1 W/1 m) 95 dB (half-space) Frequency Response (-3 dB) 140 Hz – 18 kHz Frequency Range (-10 dB) 110 Hz – 20 kHz Program Power 150 W @ 8 Ω Power Taps @ 70 V 3.75 W / 7.5 W / 15 W / 30 W Power Taps @ 100 V 7.5 W / 15 W / 30 W / 60 W Dimensions (H × W × D) 869 mm × 125 mm × 110 mm Net Weight 6 kg Colours Black / White