For sale the Mirage Bipolar Loudspeaker dual powered Subwoofer BPS-100 discrete mossfet Amplifier in good cosmetic and great working conditions. Works as intended. Due to the extremely low distortion (see attached data) instant Subwoofer under proper adjustment is capable to reproduce the low frequency sound with exceptional accuracy, as intended by the author of soundtrack without unwanted booming effects from which are suffering many other Subwoofers producing up to 45% of distortions (self amplified, not manageable booming garbage). This is why most of the subwoofer manufacturers avoid to introduce you to their TDH data. Not in this case!Mirage is a well regarded Canadian speaker company acquired by Klipsch and it has been produced in the Canada, not in China! Power100 Watts nominal, 400 Watts peak under 0.04% TDH Woofer(s) x2 6,5 Bipolar Frequency 29Hz - 150Hz -0/-3 db Audio/Video Contour Audio -flat; Video +3db @45Hz, or 6db @50HzVariable Low Pass Filter 50Hz -150Hz, 18db/Octave High Level, High Pass Filter approximately 85Hz Sensitivity less than 100mV Special Features: Overdrive Protection, Auto Turn ON Dimensions91/4 x 191/4 x 163/4 Weight 42 lbs Finish Black Ash You can bid with confidence considering my impeccable background.If you have any questions, please feel free to ask. Thanks for looking at my item and good luck with your bidding!