Details:
R218K (double tenth eight inch 3 fission outside package aluminum side + web design)
U R functional features:
Does housing materials: materials used imported logs splint
Does choose more directivity of FRP diverter
Does high strength surface spray treatment
Does the high quality speaker unit (high-grade configuration)
Does the high quality glass fiber reinforced plastic horn
Does super clear sound pressure range (1.5 km)
Does even structure