Harmon 10mm Dynamic Driver Earphone with 4.4mm Balanced 3.5mm Single-Ended Replaceable Plugs

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