- 1.2 INCH WOOFER COPPER VOICE COIL - 0.55 INCH TWEETER COPPER VOICE COIL - 92,5 dB/SPL SENSITIVITY - 100 WATT PROGRAM POWER HOLDING - FEM OPTIMIZED MOTOR AND SUSPENSION - EXTENDED FREQUENCY RESPONSE AND CONSTANT DIRECTIVITY - RESONANCE FREE AND HEAVY DUTY STEEL BASKET DESIGN- OPTIMIZED BUILT-IN CROSSOVER