Dual concentrric 200W based on the latest omni-magnet transducer. *Monitor speakers use reference monitor and dual monitor Omni-magnet technology. TANNOY Traditional Dual Concentric Driver Technology provides superior phase coherence and resolution. Dual monitor Omni-magnet delivers smooth bass and dynamic attackUnique front-filling bass provides deep bass even near the wall. The next generation of dual concentrric dual drivers deliver dynamic sound that is not similar to other speakers. GOLD5 (5") is 200W, GOLD7 (6.5") and GOLD8 (8") are 300W.