You can do this for free: Find free audiobooks from www.librivox.com, which come from public-domain classics, and then find the print version at www.gutenberg.org.
Listen to the pro’s passage, record your own version of the same paragraph on your smartphone, and compare. Do multiple versions until you’ve refined your delivery. The goal is not to ape a particular narrator but to develop the ability to adapt your own performance to meet a particular standard.