Amazon offers the Infinity Primus P253 150-watt 2-Way Standing Speaker, model no. P253BK, for $109.99 with free shipping. (B&H Photo Video charges the same.) That's the lowest total price we could find by $40. It features a 49 to 20kHz frequency response, two 5.25" MMD low-frequency drivers, and one 3/4" MMD high-frequency driver.
Update: Note that this item is temporarily out of stock, but can still be ordered at this price for delivery when available.