Specs: + Highly versatile in two-way ported enclosures. + Warm and smooth response throughout the bass frequency range. + Specially formulated cone coating provides HF vocal clarity. + Optimised cone pulp offering increased strength, durability and performance. + Long throw motor and high-linearity suspension system allow solid bass reproduction. + Perfect for full range KTV systems. + 2.5-Inch Copper clad aluminium voice coil.