The Lumina III are a 3-way floor standing speaker featuring a classic cabinet design with adjustable spikes. It encloses two 29mm high definition Damped Apex Dome or DADTM tweeters, a 150mm paper cone midrange driver, plus two 150mm paper cone woofers. The Lumina III offers optimized amplitude/phase response for optimal space/time performance via their “Para-cross topologyTM.