HELIX E 42C.2 - 4" 100mm 300 Watts 2 Way Component System Car Van SpeakersHELIX E 42C. 2 4"" 100mm 300 Watts 2 Way Component System Car Van Speakers Once again, the new e speaker systems (formerly known as ""ESPRIT"") set an exclamation point in terms of unique sound characteristics. Intelligent designs coupled with selected materials guarantee a unique sound experience and maximum reliability. The woofers of this series are equipped with a woven fiberglass membrane. The woven structure ensures the necessary stability of