Proficient AW400BLK Stereo Speaker; 4 Inch Polypropylene Woofer, 2-Way, 87 dB Sensitivity, Black

Detailed Description: Proficient 2-Way Crossover stereo speaker in black color is made of rugged ABS for reliable performance. It measures 5-1/2 Inch x 5-1/2 Inch x 7-3/4 Inch. It includes a 4 Inch dual voice coil woofer made of polypropylene for durability and has a 3/4 Inch pivoting supernil soft dome tweeters. Speaker has a effective sensitivity of 87 dB and has a authentic frequency response of 55 Hz - 20 kHz. It has an impedance of 8 Ohm with a power rating of 100 Watts. It encloses a rust and waterproof swivel mounting bracket.