Harman Audio offers the factory-refurbished Infinity Primus 3-Way Car Speaker, model no. PR9603is, for $99.95. Coupon code "49PR9603IS" cuts it to $49. With free shipping, that's $51 off list and tied with our March mention as the lowest total price we could find. It features a frequency response of 46Hz to 21kHz and a peak power handling of 360 watts. A 1-year Harman Audio warranty applies.