Powerhorn Speaker (400-1235) Specifications Faxback Doc. # 7402 Maximum Power Rating:..............................5 Watts (Music Program) Voice Coil Impedance:...............................................8 Ohms Frequency Response:.........................................250 - 8,000 Hz Horn Diameter:....................................................4 Inches Overall Length:...................................................4 Inches Net Weight:....................................................18.6 Ounces Composition of Material........................................ABS Plastic High Temperature Tolerance of ABS Plastic.....................85 Degrees C (LB/ir-08/24/95)