Proficient W667 Speaker; 6-1/2 Inch Polypropylene Woofer, 90 dB Sensitivity

Detailed Description: Proficient Audio Speaker has an 6-1/2-Inch polypropylene woofer to provide incredible bass down to 45Hz. It measures 8-3/16 Inch x 3-3/16 Inch x 12-1/4 Inch. The 3/4-Inch pivoting silk-dome tweeter offers an smooth sound with low distortion and a clean midrange. It includes thin-bezel grilles held by neo magnets. Speaker with 75 Watts power handling works great with amplifiers of any power rating. It belts out deep bass with frequency response of 45Hz - 20 kilo Hz. It has sensitivity of 90 dB and an 8 Ohm impedance.