Hama GZHT 20S, 2-way, 10 W, 60 W, 4 Ω, 0.984" (25 mm), 0.787" (2 cm) Hama GZHT 20S. Speaker type: 2-way, Peak power: 10 W, Rated power: 60 W. Height: 0.984" (25 mm), Tweeter diameter: 0.787" (2 cm), Diameter: 16.3" (41.5 cm)