Atlantic Technology M105 Bass Toaster Multimedia Subwoofer Speaker (Gray) Atlantic Technology M105 Bass Toaster Multimedia Subwoofer Speaker General Features: Color: Grayish beige Powered Subwoofer Driver: 6.5-inch dual voice coil Output power: 45 watts Output distortion: 0.2% (at 18 watts output) Input Sensitivity: 310 mV Signal input: Stereo mini-jack terminal (right channel) Input impedance: 10K Controls and Inputs: Off/On button