TVFoxAntenna Have ordered 4 TV antennas, but was charged a different amount for the second that was billed to Me. Don't know Internet

I ordered 4 TVAntennas plus 4 Amplifiers and received them. about a wee later, received another shipment of the same material. Was billed on 9-14-17 under "clearancesales.biz for both shipments. I have called them five times and e-mailed them 2 times and their answering service states "we will return your call in  a short time". Never answered my e-mails.

I have the 8 TVAntennas and 8 Amplifiers boxed and ready to ship to them, but I do not have a location to ship them to.

Nowhere on their shipping label was there an address to return them. But, their ad on their e-mail states that you may  

return them for credit..

I need an address to ship them back to them and get credit for $108.88 and $125.96.