MMS-10 Amplified Speaker System (250-1096) Specifications Faxback Doc. # 17016 Power Output (THD 10% 1 kHz): Internal Tweeter:............................................4.5 + 4.5 W Internal Woofer:....................................................10 W Input Sensitivity:...................................................200 mV Frequency Response: At 1 kHz Tweeter (External):..............................25 Hz - 30 kHz At 400 Hz Woofer:..........................................25 Hz - 5 kHz External Speakers:...........................................8 ohm or 4 ohm Power Source:................................................AC 120V, 60 Hz Dimensions:............................11 1/2 x 3 1/8 x 11/1/2 Inches (WHD) (297 x 79 x 297 mm) Weight:............................................................5.95 lbs 2.7 kg (Net)