AMX 9 Amplified Speaker (400-1323) Specifications Faxback Doc. # 14183 System Frequency Range:.............................................150-15,000 Hz SPL:...................................................83 dB at 200 mV-1 m Max Output Power.......................................2 W into 4 Ohm Load Input Impedance:..................................................100 Ohms Max Input Voltage:..................................................450 mV Dimensions:................................. 5 5/8 x 3 5/32 x 3 1/4 Inches (Each Speaker) Weight:...................................................15.5 oz. (440 9) (Each Speaker, without Batteries) Accessories:..............................................Connection Cable Carrying Case with Shoulder Strap (ALL-04/03/95)