10mm Mid-Treble Range Dynamic Driver + Dual 10mm Dynamic Drivers, Patented Coaxial Four-Cavity Frequency Crossover Three Dynamic Drivers. Dual 10mm Bass Dynamic Driver Classic Horizontally-opposed Alignment. ^^ Three Full-Size 10mm Dynamic Drivers Four-Cavity Frequency Crossover A Miracle of lntricate Acoustic Design ^^ Complex Frequency Crossover Technology Series The XTM series represents a groundbreaking approach to lEM frequency crossover design, setting itself apart from traditional product lines. it explores a variety of technical avenues that diverge from the brand's established style and make possible the development of distinctive new products. ^^ Universal 0.78 mm Recessed Interchangeable Port Ships with high quality braided cable 4.4 mm Balanced / 3.5 mm Single-ended replaceable plugs