The Soul line of headphones by Ludacris we saw earlier at CES 2011, just got priced and will begin shipping in May. There are three headphone models which include the over-ear, noise-cancelling SL300 priced at $299 and aimed to compete with the Beats By Dre Studios, the on-ear SL150 priced at $199 and last but not least in the headphone line the on-ear SL100 priced at $149. Additionally, there are two more in-ear models which include the SL99 priced at $99 and the SL49 priced at $69, both sport a flat tangle-resistant cable. Check out the full PR specs and pics after the break.