Would this Jensen sub be powerful enough for my room? My room is only about 12' by 10'. SUBWOOFER Driver: 8" long throw woofer, down firing Frequency Response: 30 Hz-150 Hz Variable Crossover: 50-150 Hz, 12dB/Oct Amplifier Power: 100 watts Divensions: 15.68" x 11.87" x 13"...