This listing is for one pair of Vifa TC08SD49-04 mid woofers with polymer frame, coated paper cone, rubber surround and magnetic shield.  The driver is 4 ohms impedance. The price for the pair is $40 USD.   The Vifa specification sheet (now Tymphany Co.) is shown in the photos and will be provided to the buyer when the drivers are purchased.  Cannot ship to P.O. box.  Returns will not be accepted.   Be safe,  Be well,  Thank You.