Share on Twitter
Wenzel-Halls headed home in the 37th minute with teammate Jay O'Shea doubling the lead with a cracking long-range strike eight minutes later at Redcliffe's Dolphin Stadium.
The young forward snared his brace in the 78th minute, before Adelaide's Nathan Konstandopoulos pulled back a goal four minutes later.
The win, Brisbane's third on the bounce, drew them level with Central Coast - who play on Sunday evening - on points and goal difference but ahead on goals scored.
Read More
Adelaide had a nervous start when goalkeeper James Delianov was forced to save teammate Jordan Elsey's own-goal-bound header after just six minutes.