Product Introduction: Professional 6 Inch Music Speaker Woofer Model No.: 6BC35-201 This good quality 6" woofer loudspeaker uses 120×20mm ferrite magnet & 1.4 inch voice coil. The rated power is around 80 watts, and the maximum power can reach 160 watts. This new design 6" pro loudspeaker is highly praised by customer for its perfect performance. General Specifications: Magnet Size: 120×20H Sensitivity: 89 dB