Groupon offers a pair of Pyle In-Ceiling Speakers, model no. PDIC61RD, for $29.99 with free shipping. That's tied with our February mention and the lowest total price we could find by $5. They feature a 1" high temperature voice coil, 0.5" dome tweater, 70Hz to 20kHz frequency response, and up to 200 watts of power handling.