"With the benefits of..." → "Through the advantages of|By leveraging|By utilizing"
"5.1 trailer download" → The "5.1" stays. "trailer" → film, "download" → fetch. So the phrase becomes "5.1 film fetch" 5.1 trailer download
Next paragraph starts with "Downloading a 5.1 trailer offers several benefits". "Downloading" could be "Obtaining|Securing|Receiving", "offers" might be "provides|delivers|furnishes", "several benefits" as "multiple advantages|various perks|numerous upsides". "With the benefits of
"adjust" → "modify|alter|change"