Okay so follow these instructions to get this deal.
Click on the "I Want One" link on this page. It will take you to the site where it shows only one for $3.99 each.
Look a little lower, there is a section titled "Buy More Save More" and a 2 Pack is listed on sale from $7.59 to $5.79. Click Add to Cart on that item.
You're not done yet. You'll still see it in your cart for $5.79. To get the $3.99 price, now enter the following code into the "Coupon Entered" box:
Now press the "Apply" button next to the Coupon Code field.
Note: It remains in your cart as $5.79 but then you should see a discount of $1.80 applied and a grand total of $3.99 for your cart. Now press the Checkout Now button and pay for the cables.
This item qualifies for free ground shipping but you will not see that until you enter your zip code.