Replacement 4 Ohm main drivers with high power handling and balanced response. Designed for efficient delivery of low frequencies in full-range PA cabinets.Construction[tab]Reinforced paper cone with steel frame basket[br]Impedance[tab]4 OhmsPower handling : rms[tab]250W[br]Power handling : max[tab]500W[br]Dimensions[tab]130 x 257mmØ[br]Weight[tab]2.60kg[br]Voice coil[tab]50mmØ (2")[br]Magnet[tab]1.13kg (40oz)[br]Sensitivity[tab]95dB[br]Frequency response[tab]55Hz - 3kHz