Visionary Hifonics Founder Passes Away News was announced this week, that Helmut Richard Leo Stieglitz, founder of the iconic Hifonics car audio brand passed away at his home near Seattle …
Visionary Hifonics Founder Passes Away News was announced this week, that Helmut Richard Leo Stieglitz, founder of the iconic Hifonics car audio brand passed away at his home near Seattle …