The Yamaha NS-6390 is a 3-way car speaker having 140-watts power handling capacity to give you loud and clear sound. A frequency response ranging from 45Hz - 20kHz in this Yamaha 3-way speaker offers perfect sound at all levels. This Yamaha stereo speaker flaunts sensitivity of 91dB for maximum power even at low volumes. With an impedance of 8-ohms, this Yamaha 3-way speaker offers high level resistance and increases bass and mid output. Integrated with 8-inch coated woofer and 3/4-inch Ferro-flluid cooled balanced dome tweeter, the Yamaha NS-6390 speaker delivers punchy lows and crisp highs, thereby creating a balanced tone. Since this Yamaha stereo speaker is magnetically shielded, you are assured of a clear sound quality.