Proficient W672 Speaker; 6-1/2 Inch Polypropylene Woofer, 91 dB Sensitivity

Detailed Description: Proficient Audio Speaker has an 6-1/2-Inch polypropylene woofer to provide incredible bass down to 36 Hz. It measures 8-3/16 Inch x 3-1/8 Inch x 12-1/4 Inch. The 1-Inch pivoting silk-dome tweeter offers an extra kick of treble. It includes thin-bezel grilles held by neo magnets. Speaker with 100 Watts power handling works great with amplifiers of any power rating. It belts out deep bass with frequency response of 36Hz - 20 kilo Hz. It has sensitivity of 91dB and an 8 Ohm impedance.