Pioneer TS-E131Ci - 180 Watts 5.25" Inch 13CM 2 Way Component Car Speakers KitPioneer TS E131Ci 180 Watts 5. 25" Inch 17CM 2 Way Component Car Speakers Kit Our TS E Series speakers give you smooth, octave to octave tonal balance, without favouring one frequency over another, and presenting the mids, highs and lows to perfection. The shape and volume of the tweeter's chamber and the damper have been specifically designed for a lower frequency response. As a result, a more accurate midrange frequency sound is produced, ensuring a